twilio text to speech pricing

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Text-to-Speech (TTS)
Text To Speech (TTS), also known as speech synthesis, is a process in which text is converted into a human-sounding voice. Developers and business users alike use TTS to turn traditional human-to-human interactions into seamless, machine-to-human interactions, and make every interaction over voice a frictionless and first-class experience.

Instead of recording audio files with human voices to play back in a call, which has limited flexibility and is not a scalable option, TTS prompts can be dynamically, programmatically generated from raw text as a response to events in your application. Whether the use case is an Interactive Voice Response (IVR), a conversational assistant for scaling contact centers, or Voice notifications to deliver critical messages over a phone call, Text To Speech capabilities enable efficiency at global scale while enhancing customer engagement.

Table of Contents
Click on a section name below to jump to that section.

Get Started with Text To Speech
Text to Speech voices overview
Available voices and languages
Text to Speech settings
Override default settings
SSML
Limits
Pricing
Get Started with Text To Speech
You can provide text and https://speedsms.in/ will synthesize speech in real time and speak back the audio in any call or conference. TTS is available via the TwiML verb and Studio’s Say/Play Widget.

TwiML
The verb allows you to provide plain text that https://speedsms.in/ converts to synthesized speech.

For example, when https://speedsms.in/ executes the following TwiML during a call, the caller hears “Hello world!” The synthesized voice the caller hears is the default voice and language of the https://speedsms.in/ Account (configured in the https://speedsms.in/ Console).

Hello world!

also allows you to modify the language, accent, and voice of the synthesized speech via the language and voice attributes. The example below uses Amazon Polly’s “Joanna” voice and American English:

Hello. I am Joanna and I speak American English!

offers different options for voices, each with its own supported set of languages and genders, so you can customize your application with Text To Speech capabilities according to your needs and preferences.

To start using TTS, complete the following steps:

Configure your Account-wide Text To Speech Settings
in the https://speedsms.in/ Console.
Use to programmatically define TTS instructions.
Studio
https://speedsms.in/ Studio is a visual, serverless tool that uses Widgets to represent various parts of https://speedsms.in/’s platform features and functionality to design and build applications with little or no code.

The Say/Play Widget allows you to add Text To Speech capabilities to your application with ease, including embedding SSML for supported voices.

To start using TTS with Studio, complete the following steps:

Configure your Account-wide Text To Speech Settings
in the https://speedsms.in/ Console.
Use the Say/Play Widget to add TTS to your Studio Flow.
Text To Speech voices overview
https://speedsms.in/’s Text To Speech offering has a variety of different voices in multiple languages and locales with their associated accents and pronunciations. There are three types of voices with different quality, language coverage and pricing: Basic, Standard and Premium.

Basic voices
Basic voices are first-generation voices. They can be used to get started and familiarize yourself with Text To Speech capabilities using , but may not have enough human-like qualities to build conversational applications and deliver superior user experiences over a voice call. The voices in this tier are available in a limited number of languages at no cost.

Standard voices
Standard voices offer standard TTS technology and produce natural-sounding synthesized speech with a variety of lifelike voices. The voices in this tier are provided by Amazon (Amazon Polly) and Google (Standard), with support for SSML (Speech Synthesis Markup Language), which allows developers to control many aspects of the synthesized speech.

Premium voices
These voices are generated using the latest technology and innovation in synthesized speech, providing the most human-like, expressive and natural-sounding text-to-speech voices possible, with higher quality than Standard voices. The voices in this tier are provided by Amazon (Amazon Polly Neural) and Google (WaveNet, Neural2), with support for SSML, which allows developers to control many aspects of the synthesized speech.

See the Pricing section below for additional information.

Available voices and languages
(information)
Info
Effective June 26 2023, Alice voices are no longer supported for Text-To-Speech and any request will be redirected to an alternate voice. It is recommended to update configuration in your Console, Studio Flows, and backend application to remove any references to alice voices. For more information, visit the Changelog
.

(warning)
Warning
Google voices (Standard, WaveNet and Neural2) are available in Public Beta

The following table contains all voices available for each language and locale. You can test the different voices from the TTS Settings
page in the https://speedsms.in/ Console.

Note: Invalid combination of voice and language attributes may result in error and instruction failure.

Voices listed with (*) are fully bilingual voices. At the moment only Amazon Polly has this capability for a limited number of voices. Learn more by visiting Amazon’s Bilingual Voices documentation
.

Language (Locale)

Language (Locale) ID Type Gender Voice name
Afrikaans (South Africa) af-ZA Standard Female Google.af-ZA-Standard-A
Arabic (Standard) arb Standard Female Polly.Zeina
Arabic (Standard) ar-XA Standard Female Google.ar-XA-Standard-A
Arabic (Standard) ar-XA Standard Male Google.ar-XA-Standard-B
Arabic (Standard) ar-XA Standard Male Google.ar-XA-Standard-C
Arabic (Standard) ar-XA Standard Female Google.ar-XA-Standard-D
Arabic (Standard) ar-XA Premium Female Google.ar-XA-Wavenet-A
Arabic (Standard) ar-XA Premium Male Google.ar-XA-Wavenet-B
Arabic (Standard) ar-XA Premium Male Google.ar-XA-Wavenet-C
Arabic (Standard) ar-XA Premium Female Google.ar-XA-Wavenet-D
Arabic (Gulf) ar-AE Premium Female Polly.Hala-Neural *
Arabic (Gulf) ar-AE Premium Male Polly.Zayd-Neural *
Basque (Spain) eu-ES Standard Female Google.eu-ES-Standard-A
Bengali (India) bn-IN Standard Female Google.bn-IN-Standard-C
Bengali (India) bn-IN Standard Male Google.bn-IN-Standard-D
Bengali (India) bn-IN Premium Female Google.bn-IN-Wavenet-C
Bengali (India) bn-IN Premium Male Google.bn-IN-Wavenet-D
Bulgarian (Bulgaria) bg-BG Standard Female Google.bg-BG-Standard-A
Catalan (Spain) ca-ES Premium Female Polly.Arlet-Neural
Catalan (Spain) ca-ES Standard Female Google.ca-ES-Standard-A
Chinese Cantonese yue-CN Premium Female Polly.Hiujin-Neural
Chinese Cantonese (Hong Kong) yue-HK Standard Female Google.yue-HK-Standard-A
Chinese Cantonese (Hong Kong) yue-HK Standard Male Google.yue-HK-Standard-B
Chinese Cantonese (Hong Kong) yue-HK Standard Female Google.yue-HK-Standard-C
Chinese Cantonese (Hong Kong) yue-HK Standard Male Google.yue-HK-Standard-D
Chinese Mandarin cmn-CN Standard Female Polly.Zhiyu
Chinese Mandarin cmn-CN Premium Female Polly.Zhiyu-Neural
Chinese Mandarin cmn-CN Standard Female Google.cmn-CN-Standard-A
Chinese Mandarin cmn-CN Standard Male Google.cmn-CN-Standard-B
Chinese Mandarin cmn-CN Standard Male Google.cmn-CN-Standard-C
Chinese Mandarin cmn-CN Standard Female Google.cmn-CN-Standard-D
Chinese Mandarin cmn-CN Premium Female Google.cmn-CN-Wavenet-A
Chinese Mandarin cmn-CN Premium Male Google.cmn-CN-Wavenet-B
Chinese Mandarin cmn-CN Premium Male Google.cmn-CN-Wavenet-C
Chinese Mandarin cmn-CN Premium Female Google.cmn-CN-Wavenet-D
Chinese Mandarin (Taiwan) cmn-TW Standard Female Google.cmn-TW-Standard-A
Chinese Mandarin (Taiwan) cmn-TW Standard Male Google.cmn-TW-Standard-B
Chinese Mandarin (Taiwan) cmn-TW Standard Male Google.cmn-TW-Standard-C
Chinese Mandarin (Taiwan) cmn-TW Premium Female Google.cmn-TW-Wavenet-A
Chinese Mandarin (Taiwan) cmn-TW Premium Male Google.cmn-TW-Wavenet-B
Chinese Mandarin (Taiwan) cmn-TW Premium Male Google.cmn-TW-Wavenet-C
Czech (Czech Republic) cs-CZ Standard Female Google.cs-CZ-Standard-A
Czech (Czech Republic) cs-CZ Premium Female Google.cs-CZ-Wavenet-A
Danish (Denmark) da-DK Standard Male Polly.Mads
Danish (Denmark) da-DK Standard Female Polly.Naja
Danish (Denmark) da-DK Premium Female Polly.Sofie-Neural
Danish (Denmark) da-DK Standard Female Google.da-DK-Standard-A
Danish (Denmark) da-DK Standard Male Google.da-DK-Standard-C
Danish (Denmark) da-DK Standard Female Google.da-DK-Standard-D
Danish (Denmark) da-DK Standard Female Google.da-DK-Standard-E
Danish (Denmark) da-DK Premium Female Google.da-DK-Wavenet-A
Danish (Denmark) da-DK Premium Male Google.da-DK-Wavenet-C
Danish (Denmark) da-DK Premium Female Google.da-DK-Wavenet-D
Danish (Denmark) da-DK Premium Female Google.da-DK-Wavenet-E
Dutch (Belgium) nl-BE Premium Female Polly.Lisa-Neural
Dutch (Belgium) nl-BE Standard Female Google.nl-BE-Standard-A
Dutch (Belgium) nl-BE Standard Male Google.nl-BE-Standard-B
Dutch (Belgium) nl-BE Premium Female Google.nl-BE-Wavenet-A
Dutch (Belgium) nl-BE Premium Male Google.nl-BE-Wavenet-B
Dutch (Netherlands) nl-NL Standard Female Polly.Lotte
Dutch (Netherlands) nl-NL Standard Male Polly.Ruben
Dutch (Netherlands) nl-NL Premium Female Polly.Laura-Neural
Dutch (Netherlands) nl-NL Standard Female Google.nl-NL-Standard-A
Dutch (Netherlands) nl-NL Standard Male Google.nl-NL-Standard-B
Dutch (Netherlands) nl-NL Standard Male Google.nl-NL-Standard-C
Dutch (Netherlands) nl-NL Standard Female Google.nl-NL-Standard-D
Dutch (Netherlands) nl-NL Standard Female Google.nl-NL-Standard-E
Dutch (Netherlands) nl-NL Premium Female Google.nl-NL-Wavenet-A
Dutch (Netherlands) nl-NL Premium Male Google.nl-NL-Wavenet-B
Dutch (Netherlands) nl-NL Premium Male Google.nl-NL-Wavenet-C
Dutch (Netherlands) nl-NL Premium Female Google.nl-NL-Wavenet-D
Dutch (Netherlands) nl-NL Premium Female Google.nl-NL-Wavenet-E
English (Australia) en-AU Standard Female Polly.Nicole
English (Australia) en-AU Standard Male Polly.Russell
English (Australia) en-AU Premium Female Polly.Olivia-Neural
English (Australia) en-AU Standard Female Google.en-AU-Standard-A
English (Australia) en-AU Standard Male Google.en-AU-Standard-B
English (Australia) en-AU Standard Female Google.en-AU-Standard-C
English (Australia) en-AU Standard Male Google.en-AU-Standard-D
English (Australia) en-AU Premium Female Google.en-AU-Wavenet-A
English (Australia) en-AU Premium Male Google.en-AU-Wavenet-B
English (Australia) en-AU Premium Female Google.en-AU-Wavenet-C
English (Australia) en-AU Premium Male Google.en-AU-Wavenet-D
English (Australia) en-AU Premium Female Google.en-AU-Neural2-A
English (Australia) en-AU Premium Male Google.en-AU-Neural2-B
English (Australia) en-AU Premium Female Google.en-AU-Neural2-C
English (Australia) en-AU Premium Male Google.en-AU-Neural2-D
English (India) en-IN Standard Female Polly.Aditi *
English (India) en-IN Standard Female Polly.Raveena
English (India) en-IN Premium Female Polly.Kajal-Neural *
English (India) en-IN Standard Female Google.en-IN-Standard-A
English (India) en-IN Standard Male Google.en-IN-Standard-B
English (India) en-IN Standard Male Google.en-IN-Standard-C
English (India) en-IN Standard Female Google.en-IN-Standard-D
English (India) en-IN Premium Female Google.en-IN-Wavenet-A
English (India) en-IN Premium Male Google.en-IN-Wavenet-B
English (India) en-IN Premium Male Google.en-IN-Wavenet-C
English (India) en-IN Premium Female Google.en-IN-Wavenet-D
English (India) en-IN Premium Female Google.en-IN-Neural2-A
English (India) en-IN Premium Male Google.en-IN-Neural2-B
English (India) en-IN Premium Male Google.en-IN-Neural2-C
English (India) en-IN Premium Female Google.en-IN-Neural2-D
English (Ireland) en-IE Premium Female Polly.Niamh-Neural
English (New Zealand) en-NZ Premium Female Polly.Aria-Neural
English (South African) en-ZA Premium Female Polly.Ayanda-Neural
English (UK) en-GB Basic Male Man
English (UK) en-GB Basic Female Woman
English (UK) en-GB Standard Female Polly.Amy
English (UK) en-GB Standard Male Polly.Brian
English (UK) en-GB Standard Female Polly.Emma
English (UK) en-GB Premium Female Polly.Amy-Neural
English (UK) en-GB Premium Female Polly.Emma-Neural
English (UK) en-GB Premium Male Polly.Brian-Neural
English (UK) en-GB Premium Male Polly.Arthur-Neural
English (UK) en-GB Standard Female Google.en-GB-Standard-A
English (UK) en-GB Standard Male Google.en-GB-Standard-B
English (UK) en-GB Standard Female Google.en-GB-Standard-C
English (UK) en-GB Standard Male Google.en-GB-Standard-D
English (UK) en-GB Standard Female Google.en-GB-Standard-F
English (UK) en-GB Premium Female Google.en-GB-Wavenet-A
English (UK) en-GB Premium Male Google.en-GB-Wavenet-B
English (UK) en-GB Premium Female Google.en-GB-Wavenet-C
English (UK) en-GB Premium Male Google.en-GB-Wavenet-D
English (UK) en-GB Premium Female Google.en-GB-Wavenet-F
English (UK) en-GB Premium Female Google.en-GB-Neural2-A
English (UK) en-GB Premium Male Google.en-GB-Neural2-B
English (UK) en-GB Premium Female Google.en-GB-Neural2-C
English (UK) en-GB Premium Male Google.en-GB-Neural2-D
English (UK) en-GB Premium Female Google.en-GB-Neural2-F
English (US) en-US Basic Male Man
English (US) en-US Basic Female Woman
English (US) en-US Standard Female Polly.Ivy
English (US) en-US Standard Female Polly.Joanna
English (US) en-US Standard Male Polly.Joey
English (US) en-US Standard Male Polly.Justin
English (US) en-US Standard Female Polly.Kendra
English (US) en-US Standard Female Polly.Kimberly
English (US) en-US Standard Male Polly.Matthew
English (US) en-US Standard Female Polly.Salli
English (US) en-US Premium Female (child) Polly.Ivy-Neural
English (US) en-US Premium Female Polly.Joanna-Neural*
English (US) en-US Premium Female Polly.Kendra-Neural
English (US) en-US Premium Male (child) Polly.Kevin-Neural
English (US) en-US Premium Female Polly.Kimberly-Neural
English (US) en-US Premium Female Polly.Salli-Neural
English (US) en-US Premium Male Polly.Joey-Neural
English (US) en-US Premium Male (child) Polly.Justin-Neural
English (US) en-US Premium Male Polly.Matthew-Neural*
English (US) en-US Premium Female Polly.Ruth-Neural
English (US) en-US Premium Male Polly.Stephen-Neural
English (US) en-US Premium Male Polly.Gregory-Neural
English (US) en-US Premium Female Polly.Danielle-Neural
English (US) en-US Standard Male Google.en-US-Standard-A
English (US) en-US Standard Male Google.en-US-Standard-B
English (US) en-US Standard Female Google.en-US-Standard-C
English (US) en-US Standard Male Google.en-US-Standard-D
English (US) en-US Standard Female Google.en-US-Standard-E
English (US) en-US Standard Female Google.en-US-Standard-F
English (US) en-US Standard Female Google.en-US-Standard-G
English (US) en-US Standard Female Google.en-US-Standard-H
English (US) en-US Standard Male Google.en-US-Standard-I
English (US) en-US Standard Male Google.en-US-Standard-J
English (US) en-US Premium Male Google.en-US-Wavenet-A
English (US) en-US Premium Male Google.en-US-Wavenet-B
English (US) en-US Premium Female Google.en-US-Wavenet-C
English (US) en-US Premium Male Google.en-US-Wavenet-D
English (US) en-US Premium Female Google.en-US-Wavenet-E
English (US) en-US Premium Female Google.en-US-Wavenet-F
English (US) en-US Premium Female Google.en-US-Wavenet-G
English (US) en-US Premium Female Google.en-US-Wavenet-H
English (US) en-US Premium Male Google.en-US-Wavenet-I
English (US) en-US Premium Male Google.en-US-Wavenet-J
English (US) en-US Premium Male Google.en-US-Neural2-A
English (US) en-US Premium Female Google.en-US-Neural2-C
English (US) en-US Premium Male Google.en-US-Neural2-D
English (US) en-US Premium Female Google.en-US-Neural2-E
English (US) en-US Premium Female Google.en-US-Neural2-F
English (US) en-US Premium Female Google.en-US-Neural2-G
English (US) en-US Premium Female Google.en-US-Neural2-H
English (US) en-US Premium Male Google.en-US-Neural2-I
English (US) en-US Premium Male Google.en-US-Neural2-J
English (Welsh) en-GB-WLS Standard Male Polly.Geraint
Filipino (Philippines) fil-PH Standard Female Google.fil-PH-Standard-A
Filipino (Philippines) fil-PH Standard Female Google.fil-PH-Standard-B
Filipino (Philippines) fil-PH Standard Male Google.fil-PH-Standard-C
Filipino (Philippines) fil-PH Standard Male Google.fil-PH-Standard-D
Filipino (Philippines) fil-PH Premium Female Google.fil-PH-Wavenet-A
Filipino (Philippines) fil-PH Premium Female Google.fil-PH-Wavenet-B
Filipino (Philippines) fil-PH Premium Male Google.fil-PH-Wavenet-C
Filipino (Philippines) fil-PH Premium Male Google.fil-PH-Wavenet-D
Finnish (Finland) fi-FI Premium Female Polly.Suvi-Neural
Finnish (Finland) fi-FI Standard Female Google.fi-FI-Standard-A
Finnish (Finland) fi-FI Premium Female Google.fi-FI-Wavenet-A
French (Belgium) fr-BE Premium Female Polly.Isabelle-Neural
French (Canada) fr-CA Standard Female Polly.Chantal
French (Canada) fr-CA Premium Female Polly.Gabrielle-Neural
French (Canada) fr-CA Premium Male Polly.Liam-Neural
French (Canada) fr-CA Standard Female Google.fr-CA-Standard-A
French (Canada) fr-CA Standard Male Google.fr-CA-Standard-B
French (Canada) fr-CA Standard Female Google.fr-CA-Standard-C
French (Canada) fr-CA Standard Male Google.fr-CA-Standard-D
French (Canada) fr-CA Premium Female Google.fr-CA-Wavenet-A
French (Canada) fr-CA Premium Male Google.fr-CA-Wavenet-B
French (Canada) fr-CA Premium Female Google.fr-CA-Wavenet-C
French (Canada) fr-CA Premium Male Google.fr-CA-Wavenet-D
French (Canada) fr-CA Premium Female Google.fr-CA-Neural2-A
French (Canada) fr-CA Premium Male Google.fr-CA-Neural2-B
French (Canada) fr-CA Premium Female Google.fr-CA-Neural2-C
French (Canada) fr-CA Premium Male Google.fr-CA-Neural2-D
French (France) fr-FR Basic Male Man
French (France) fr-FR Basic Female Woman
French (France) fr-FR Standard Female Polly.Céline/Polly.Celine
French (France) fr-FR Standard Female Polly.Léa/Polly.Lea
French (France) fr-FR Standard Male Polly.Mathieu
French (France) fr-FR Premium Female Polly.Lea-Neural
French (France) fr-FR Premium Male Polly.Remi-Neural
French (France) fr-FR Standard Female Google.fr-FR-Standard-A
French (France) fr-FR Standard Male Google.fr-FR-Standard-B
French (France) fr-FR Standard Female Google.fr-FR-Standard-C
French (France) fr-FR Standard Male Google.fr-FR-Standard-D
French (France) fr-FR Standard Female Google.fr-FR-Standard-E
French (France) fr-FR Premium Female Google.fr-FR-Wavenet-A
French (France) fr-FR Premium Male Google.fr-FR-Wavenet-B
French (France) fr-FR Premium Female Google.fr-FR-Wavenet-C
French (France) fr-FR Premium Male Google.fr-FR-Wavenet-D
French (France) fr-FR Premium Female Google.fr-FR-Wavenet-E
French (France) fr-FR Premium Female Google.fr-FR-Neural2-A
French (France) fr-FR Premium Male Google.fr-FR-Neural2-B
French (France) fr-FR Premium Female Google.fr-FR-Neural2-C
French (France) fr-FR Premium Male Google.fr-FR-Neural2-D
French (France) fr-FR Premium Female Google.fr-FR-Neural2-E
Galician (Spain) gl-ES Standard Female Google.gl-ES-Standard-A
German (Austria) de-AT Premium Female Polly.Hannah-Neural
German (Germany) de-DE Basic Male Man
German (Germany) de-DE Basic Female Woman
German (Germany) de-DE Standard Male Polly.Hans
German (Germany) de-DE Standard Female Polly.Marlene
German (Germany) de-DE Standard Female Polly.Vicki
German (Germany) de-DE Premium Female Polly.Vicki-Neural
German (Germany) de-DE Premium Male Polly.Daniel-Neural
German (Germany) de-DE Standard Female Google.de-DE-Standard-A
German (Germany) de-DE Standard Male Google.de-DE-Standard-B
German (Germany) de-DE Standard Female Google.de-DE-Standard-C
German (Germany) de-DE Standard Male Google.de-DE-Standard-D
German (Germany) de-DE Standard Male Google.de-DE-Standard-E
German (Germany) de-DE Standard Female Google.de-DE-Standard-F
German (Germany) de-DE Premium Female Google.de-DE-Wavenet-A
German (Germany) de-DE Premium Male Google.de-DE-Wavenet-B
German (Germany) de-DE Premium Female Google.de-DE-Wavenet-C
German (Germany) de-DE Premium Male Google.de-DE-Wavenet-D
German (Germany) de-DE Premium Male Google.de-DE-Wavenet-E
German (Germany) de-DE Premium Female Google.de-DE-Wavenet-F
German (Germany) de-DE Premium Female Google.de-DE-Neural2-A
German (Germany) de-DE Premium Male Google.de-DE-Neural2-B
German (Germany) de-DE Premium Female Google.de-DE-Neural2-C
German (Germany) de-DE Premium Male Google.de-DE-Neural2-D
German (Germany) de-DE Premium Female Google.de-DE-Neural2-F
Greek (Greece) el-GR Standard Female Google.el-GR-Standard-A
Greek (Greece) el-GR Premium Female Google.el-GR-Wavenet-A
Gujarati (India) gu-IN Standard Female Google.gu-IN-Standard-C
Gujarati (India) gu-IN Standard Male Google.gu-IN-Standard-D
Gujarati (India) gu-IN Premium Female Google.gu-IN-Wavenet-C
Gujarati (India) gu-IN Premium Male Google.gu-IN-Wavenet-D
Hebrew (Israel) he-IL Standard Female Google.he-IL-Standard-A
Hebrew (Israel) he-IL Standard Male Google.he-IL-Standard-B
Hebrew (Israel) he-IL Standard Female Google.he-IL-Standard-C
Hebrew (Israel) he-IL Standard Male Google.he-IL-Standard-D
Hebrew (Israel) he-IL Premium Female Google.he-IL-Wavenet-A
Hebrew (Israel) he-IL Premium Male Google.he-IL-Wavenet-B
Hebrew (Israel) he-IL Premium Female Google.he-IL-Wavenet-C
Hebrew (Israel) he-IL Premium Male Google.he-IL-Wavenet-D
Hindi (India) hi-IN Standard Female Polly.Aditi *
Hindi (India) hi-IN Premium Female Polly.Kajal-Neural *
Hindi (India) hi-IN Standard Female Google.hi-IN-Standard-A
Hindi (India) hi-IN Standard Male Google.hi-IN-Standard-B
Hindi (India) hi-IN Standard Male Google.hi-IN-Standard-C
Hindi (India) hi-IN Standard Female Google.hi-IN-Standard-D
Hindi (India) hi-IN Premium Female Google.hi-IN-Wavenet-A
Hindi (India) hi-IN Premium Male Google.hi-IN-Wavenet-B
Hindi (India) hi-IN Premium Male Google.hi-IN-Wavenet-C
Hindi (India) hi-IN Premium Female Google.hi-IN-Wavenet-D
Hindi (India) hi-IN Premium Female Google.hi-IN-Neural2-A
Hindi (India) hi-IN Premium Male Google.hi-IN-Neural2-B
Hindi (India) hi-IN Premium Male Google.hi-IN-Neural2-C
Hindi (India) hi-IN Premium Female Google.hi-IN-Neural2-D
Hungarian (Hungary) hu-HU Standard Female Google.hu-HU-Standard-A
Hungarian (Hungary) hu-HU Premium Female Google.hu-HU-Wavenet-A
Icelandic (Iceland) is-IS Standard Female Polly.Dóra/Polly.Dora
Icelandic (Iceland) is-IS Standard Male Polly.Karl
Icelandic (Iceland) is-IS Standard Female Google.is-IS-Standard-A
Indonesian (Indonesia) id-ID Standard Female Google.id-ID-Standard-A
Indonesian (Indonesia) id-ID Standard Male Google.id-ID-Standard-B
Indonesian (Indonesia) id-ID Standard Male Google.id-ID-Standard-C
Indonesian (Indonesia) id-ID Standard Female Google.id-ID-Standard-D
Indonesian (Indonesia) id-ID Premium Female Google.id-ID-Wavenet-A
Indonesian (Indonesia) id-ID Premium Male Google.id-ID-Wavenet-B
Indonesian (Indonesia) id-ID Premium Male Google.id-ID-Wavenet-C
Indonesian (Indonesia) id-ID Premium Female Google.id-ID-Wavenet-D
Italian (Italy) it-IT Basic Male Man
Italian (Italy) it-IT Basic Female Woman
Italian (Italy) it-IT Standard Female Polly.Bianca
Italian (Italy) it-IT Standard Female Polly.Carla
Italian (Italy) it-IT Standard Male Polly.Giorgio
Italian (Italy) it-IT Premium Female Polly.Bianca-Neural
Italian (Italy) it-IT Premium Male Polly.Adriano-Neural
Italian (Italy) it-IT Standard Female Google.it-IT-Standard-B
Italian (Italy) it-IT Standard Male Google.it-IT-Standard-C
Italian (Italy) it-IT Standard Male Google.it-IT-Standard-D
Italian (Italy) it-IT Premium Female Google.it-IT-Wavenet-B
Italian (Italy) it-IT Premium Male Google.it-IT-Wavenet-C
Italian (Italy) it-IT Premium Male Google.it-IT-Wavenet-D
Italian (Italy) it-IT Premium Female Google.it-IT-Neural2-A
Italian (Italy) it-IT Premium Male Google.it-IT-Neural2-C
Japanese (Japan) ja-JP Standard Female Polly.Mizuki
Japanese (Japan) ja-JP Standard Male Polly.Takumi
Japanese (Japan) ja-JP Premium Male Polly.Takumi-Neural
Japanese (Japan) ja-JP Premium Female Polly.Kazuha-Neural
Japanese (Japan) ja-JP Premium Female Polly.Tomoko-Neural
Japanese (Japan) ja-JP Standard Female Google.ja-JP-Standard-B
Japanese (Japan) ja-JP Standard Male Google.ja-JP-Standard-C
Japanese (Japan) ja-JP Standard Male Google.ja-JP-Standard-D
Japanese (Japan) ja-JP Premium Female Google.ja-JP-Wavenet-B
Japanese (Japan) ja-JP Premium Male Google.ja-JP-Wavenet-C
Japanese (Japan) ja-JP Premium Male Google.ja-JP-Wavenet-D
Kannada (India) kn-IN Standard Female Google.kn-IN-Standard-C
Kannada (India) kn-IN Standard Male Google.kn-IN-Standard-D
Kannada (India) kn-IN Premium Female Google.kn-IN-Wavenet-C
Kannada (India) kn-IN Premium Male Google.kn-IN-Wavenet-D
Korean (South Korea) ko-KR Standard Female Polly.Seoyeon
Korean (South Korea) ko-KR Premium Female Polly.Seoyeon-Neural
Korean (South Korea) ko-KR Standard Female Google.ko-KR-Standard-A
Korean (South Korea) ko-KR Standard Female Google.ko-KR-Standard-B
Korean (South Korea) ko-KR Standard Male Google.ko-KR-Standard-C
Korean (South Korea) ko-KR Standard Male Google.ko-KR-Standard-D
Korean (South Korea) ko-KR Premium Female Google.ko-KR-Wavenet-A
Korean (South Korea) ko-KR Premium Female Google.ko-KR-Wavenet-B
Korean (South Korea) ko-KR Premium Male Google.ko-KR-Wavenet-C
Korean (South Korea) ko-KR Premium Male Google.ko-KR-Wavenet-D
Korean (South Korea) ko-KR Premium Female Google.ko-KR-Neural2-A
Korean (South Korea) ko-KR Premium Female Google.ko-KR-Neural2-B
Korean (South Korea) ko-KR Premium Male Google.ko-KR-Neural2-C
Latvian (Latvia) lv-LV Standard Male Google.lv-LV-Standard-A
Lithuanian (Lithuania) lt-LT Standard Male Google.lt-LT-Standard-A
Malay (Malaysia) ms-MY Standard Female Google.ms-MY-Standard-A
Malay (Malaysia) ms-MY Standard Male Google.ms-MY-Standard-B
Malay (Malaysia) ms-MY Standard Female Google.ms-MY-Standard-C
Malay (Malaysia) ms-MY Standard Male Google.ms-MY-Standard-D
Malay (Malaysia) ms-MY Premium Female Google.ms-MY-Wavenet-A
Malay (Malaysia) ms-MY Premium Male Google.ms-MY-Wavenet-B
Malay (Malaysia) ms-MY Premium Female Google.ms-MY-Wavenet-C
Malay (Malaysia) ms-MY Premium Male Google.ms-MY-Wavenet-D
Malayalam (India) ml-IN Premium Female Google.ml-IN-Wavenet-C
Malayalam (India) ml-IN Premium Male Google.ml-IN-Wavenet-D
Marathi (India) mr-IN Standard Female Google.mr-IN-Standard-A
Marathi (India) mr-IN Standard Male Google.mr-IN-Standard-B
Marathi (India) mr-IN Standard Female Google.mr-IN-Standard-C
Marathi (India) mr-IN Premium Female Google.mr-IN-Wavenet-A
Marathi (India) mr-IN Premium Male Google.mr-IN-Wavenet-B
Marathi (India) mr-IN Premium Female Google.mr-IN-Wavenet-C
Norwegian (Norway) nb-NO Standard Female Polly.Liv
Norwegian (Norway) nb-NO Premium Female Polly.Ida-Neural
Norwegian (Norway) nb-NO Standard Female Google.nb-NO-Standard-A
Norwegian (Norway) nb-NO Standard Male Google.nb-NO-Standard-B
Norwegian (Norway) nb-NO Standard Female Google.nb-NO-Standard-C
Norwegian (Norway) nb-NO Standard Male Google.nb-NO-Standard-D
Norwegian (Norway) nb-NO Standard Female Google.nb-NO-Standard-E
Norwegian (Norway) nb-NO Premium Female Google.nb-NO-Wavenet-A
Norwegian (Norway) nb-NO Premium Male Google.nb-NO-Wavenet-B
Norwegian (Norway) nb-NO Premium Female Google.nb-NO-Wavenet-C
Norwegian (Norway) nb-NO Premium Male Google.nb-NO-Wavenet-D
Norwegian (Norway) nb-NO Premium Female Google.nb-NO-Wavenet-E
Polish (Poland) pl-PL Standard Male Polly.Jacek
Polish (Poland) pl-PL Standard Male Polly.Jan
Polish (Poland) pl-PL Standard Female Polly.Ewa
Polish (Poland) pl-PL Standard Female Polly.Maja
Polish (Poland) pl-PL Premium Female Polly.Ola-Neural
Polish (Poland) pl-PL Premium Female Google.pl-PL-Standard-A
Polish (Poland) pl-PL Premium Male Google.pl-PL-Standard-B
Polish (Poland) pl-PL Premium Male Google.pl-PL-Standard-C
Polish (Poland) pl-PL Premium Female Google.pl-PL-Standard-D
Polish (Poland) pl-PL Premium Female Google.pl-PL-Standard-E
Polish (Poland) pl-PL Premium Female Google.pl-PL-Wavenet-A
Polish (Poland) pl-PL Premium Male Google.pl-PL-Wavenet-B
Polish (Poland) pl-PL Premium Male Google.pl-PL-Wavenet-C
Polish (Poland) pl-PL Premium Female Google.pl-PL-Wavenet-D
Polish (Poland) pl-PL Premium Female Google.pl-PL-Wavenet-E
Portuguese (Brazil) pt-BR Standard Female Polly.Camila
Portuguese (Brazil) pt-BR Standard Male Polly.Ricardo
Portuguese (Brazil) pt-BR Standard Female Polly.Vitória/Polly.Vitoria
Portuguese (Brazil) pt-BR Premium Female Polly.Camila-Neural
Portuguese (Brazil) pt-BR Premium Female Polly.Vitoria-Neural
Portuguese (Brazil) pt-BR Premium Male Polly.Thiago-Neural
Portuguese (Brazil) pt-BR Standard Male Google.pt-BR-Standard-B
Portuguese (Brazil) pt-BR Standard Female Google.pt-BR-Standard-C
Portuguese (Brazil) pt-BR Premium Male Google.pt-BR-Wavenet-B
Portuguese (Brazil) pt-BR Premium Female Google.pt-BR-Wavenet-C
Portuguese (Brazil) pt-BR Premium Female Google.pt-BR-Neural2-A
Portuguese (Brazil) pt-BR Premium Male Google.pt-BR-Neural2-B
Portuguese (Brazil) pt-BR Premium Female Google.pt-BR-Neural2-C
Portuguese (Portugal) pt-PT Standard Male Polly.Cristiano
Portuguese (Portugal) pt-PT Standard Female Polly.Inês/Polly.Ines
Portuguese (Portugal) pt-PT Premium Female Polly.Ines-Neural
Portuguese (Portugal) pt-PT Standard Female Google.pt-PT-Standard-A
Portuguese (Portugal) pt-PT Standard Male Google.pt-PT-Standard-B
Portuguese (Portugal) pt-PT Standard Male Google.pt-PT-Standard-C
Portuguese (Portugal) pt-PT Standard Female Google.pt-PT-Standard-D
Portuguese (Portugal) pt-PT Premium Female Google.pt-PT-Wavenet-A
Portuguese (Portugal) pt-PT Premium Male Google.pt-PT-Wavenet-B
Portuguese (Portugal) pt-PT Premium Male Google.pt-PT-Wavenet-C
Portuguese (Portugal) pt-PT Premium Female Google.pt-PT-Wavenet-D
Punjabi (India) pa-IN Standard Female Google.pa-IN-Standard-A
Punjabi (India) pa-IN Standard Male Google.pa-IN-Standard-B
Punjabi (India) pa-IN Standard Female Google.pa-IN-Standard-C
Punjabi (India) pa-IN Standard Male Google.pa-IN-Standard-D
Punjabi (India) pa-IN Premium Female Google.pa-IN-Wavenet-A
Punjabi (India) pa-IN Premium Male Google.pa-IN-Wavenet-B
Punjabi (India) pa-IN Premium Female Google.pa-IN-Wavenet-C
Punjabi (India) pa-IN Premium Male Google.pa-IN-Wavenet-D
Romanian (Romania) ro-RO Standard Female Polly.Carmen
Romanian (Romania) ro-RO Standard Female Google.ro-RO-Standard-A
Romanian (Romania) ro-RO Premium Female Google.ro-RO-Wavenet-A
Russian (Russia) ru-RU Standard Male Polly.Maxim
Russian (Russia) ru-RU Standard Female Polly.Tatyana
Russian (Russia) ru-RU Standard Female Google.ru-RU-Standard-A
Russian (Russia) ru-RU Standard Male Google.ru-RU-Standard-B
Russian (Russia) ru-RU Standard Female Google.ru-RU-Standard-C
Russian (Russia) ru-RU Standard Male Google.ru-RU-Standard-D
Russian (Russia) ru-RU Standard Female Google.ru-RU-Standard-E
Russian (Russia) ru-RU Premium Female Google.ru-RU-Wavenet-A
Russian (Russia) ru-RU Premium Male Google.ru-RU-Wavenet-B
Russian (Russia) ru-RU Premium Female Google.ru-RU-Wavenet-C
Russian (Russia) ru-RU Premium Male Google.ru-RU-Wavenet-D
Russian (Russia) ru-RU Premium Female Google.ru-RU-Wavenet-E
Serbian (Cyrillic) sr-RS Standard Female Google.sr-RS-Standard-A
Slovak (Slovakia) sk-SK Standard Female Google.sk-SK-Standard-A
Slovak (Slovakia) sk-SK Premium Female Google.sk-SK-Wavenet-A
Spanish (Mexico) es-MX Basic Male Man
Spanish (Mexico) es-MX Basic Female Woman
Spanish (Mexico) es-MX Standard Female Polly.Mia
Spanish (Mexico) es-MX Premium Female Polly.Mia-Neural
Spanish (Mexico) es-MX Premium Male Polly.Andres-Neural
Spanish (Spain) es-ES Basic Male Man
Spanish (Spain) es-ES Basic Female Woman
Spanish (Spain) es-ES Standard Female Polly.Conchita
Spanish (Spain) es-ES Standard Male Polly.Enrique
Spanish (Spain) es-ES Standard Female Polly.Lucia
Spanish (Spain) es-ES Premium Female Polly.Lucia-Neural
Spanish (Spain) es-ES Premium Male Polly.Sergio-Neural
Spanish (Spain) es-ES Standard Male Google.es-ES-Standard-B
Spanish (Spain) es-ES Standard Female Google.es-ES-Standard-C
Spanish (Spain) es-ES Standard Female Google.es-ES-Standard-D
Spanish (Spain) es-ES Premium Male Google.es-ES-Wavenet-B
Spanish (Spain) es-ES Premium Female Google.es-ES-Wavenet-C
Spanish (Spain) es-ES Premium Female Google.es-ES-Wavenet-D
Spanish (Spain) es-ES Premium Female Google.es-ES-Neural2-A
Spanish (Spain) es-ES Premium Male Google.es-ES-Neural2-B
Spanish (Spain) es-ES Premium Female Google.es-ES-Neural2-C
Spanish (Spain) es-ES Premium Female Google.es-ES-Neural2-D
Spanish (Spain) es-ES Premium Female Google.es-ES-Neural2-E
Spanish (Spain) es-ES Premium Male Google.es-ES-Neural2-F
Spanish (US) es-US Basic Male Man
Spanish (US) es-US Basic Female Woman
Spanish (US) es-US Standard Female Polly.Lupe
Spanish (US) es-US Standard Male Polly.Miguel
Spanish (US) es-US Standard Female Polly.Penélope/Polly.Penelope
Spanish (US) es-US Premium Female Polly.Lupe-Neural
Spanish (US) es-US Premium Male Polly.Pedro-Neural
Spanish (US) es-US Standard Female Google.es-US-Standard-A
Spanish (US) es-US Standard Male Google.es-US-Standard-B
Spanish (US) es-US Standard Male Google.es-US-Standard-C
Spanish (US) es-US Premium Female Google.es-US-Wavenet-A
Spanish (US) es-US Premium Male Google.es-US-Wavenet-B
Spanish (US) es-US Premium Male Google.es-US-Wavenet-C
Spanish (US) es-US Premium Female Google.es-US-Neural2-A
Spanish (US) es-US Premium Male Google.es-US-Neural2-B
Spanish (US) es-US Premium Male Google.es-US-Neural2-C
Swedish (Sweden) sv-SE Standard Female Polly.Astrid
Swedish (Sweden) sv-SE Premium Female Polly.Elin-Neural
Swedish (Sweden) sv-SE Standard Female Google.sv-SE-Standard-A
Swedish (Sweden) sv-SE Standard Female Google.sv-SE-Standard-B
Swedish (Sweden) sv-SE Standard Female Google.sv-SE-Standard-C
Swedish (Sweden) sv-SE Standard Male Google.sv-SE-Standard-D
Swedish (Sweden) sv-SE Standard Male Google.sv-SE-Standard-E
Swedish (Sweden) sv-SE Premium Female Google.sv-SE-Wavenet-A
Swedish (Sweden) sv-SE Premium Female Google.sv-SE-Wavenet-B
Swedish (Sweden) sv-SE Premium Male Google.sv-SE-Wavenet-C
Swedish (Sweden) sv-SE Premium Female Google.sv-SE-Wavenet-D
Swedish (Sweden) sv-SE Premium Male Google.sv-SE-Wavenet-E
Tamil (India) ta-IN Standard Female Google.ta-IN-Standard-C
Tamil (India) ta-IN Standard Male Google.ta-IN-Standard-D
Tamil (India) ta-IN Premium Female Google.ta-IN-Wavenet-C
Tamil (India) ta-IN Premium Male Google.ta-IN-Wavenet-D
Telugu (India) te-IN Standard Female Google.te-IN-Standard-A
Telugu (India) te-IN Standard Male Google.te-IN-Standard-B
Thai (Thailand) th-TH Standard Female Google.th-TH-Standard-A
Turkish (Turkey) tr-TR Standard Female Polly.Filiz
Turkish (Turkey) tr-TR Standard Female Google.tr-TR-Standard-A
Turkish (Turkey) tr-TR Standard Male Google.tr-TR-Standard-B
Turkish (Turkey) tr-TR Standard Female Google.tr-TR-Standard-C
Turkish (Turkey) tr-TR Standard Female Google.tr-TR-Standard-D
Turkish (Turkey) tr-TR Standard Male Google.tr-TR-Standard-E
Turkish (Turkey) tr-TR Premium Female Google.tr-TR-Wavenet-A
Turkish (Turkey) tr-TR Premium Male Google.tr-TR-Wavenet-B
Turkish (Turkey) tr-TR Premium Female Google.tr-TR-Wavenet-C
Turkish (Turkey) tr-TR Premium Female Google.tr-TR-Wavenet-D
Turkish (Turkey) tr-TR Premium Male Google.tr-TR-Wavenet-E
Ukrainian (Ukraine) uk-UA Standard Female Google.uk-UA-Standard-A
Ukrainian (Ukraine) uk-UA Premium Female Google.uk-UA-Wavenet-A
Vietnamese (Vietnam) vi-VN Standard Female Google.vi-VN-Standard-A
Vietnamese (Vietnam) vi-VN Standard Male Google.vi-VN-Standard-B
Vietnamese (Vietnam) vi-VN Standard Female Google.vi-VN-Standard-C
Vietnamese (Vietnam) vi-VN Standard Male Google.vi-VN-Standard-D
Vietnamese (Vietnam) vi-VN Premium Female Google.vi-VN-Wavenet-A
Vietnamese (Vietnam) vi-VN Premium Male Google.vi-VN-Wavenet-B
Vietnamese (Vietnam) vi-VN Premium Female Google.vi-VN-Wavenet-C
Vietnamese (Vietnam) vi-VN Premium Male Google.vi-VN-Wavenet-D
Welsh cy-GB Standard Female Polly.Gwyneth
Text To Speech settings
Default voice and language
The Text To Speech page in the https://speedsms.in/ Console
allows you to define a default voice and language for your Account. These defaults are used when no language or voice attribute is provided in your TwiML. If you are using Studio, the defaults are used when “Default” is selected.

You can test different voices and messages in this section of the Console.

The Text To Speech Settings Console page shows the Default Provider set to ‘Basic’.
Expand image
In the screenshot above, the DEFAULT PROVIDER is set to Basic and the DEFAULT VOICE is set to Man, en-US. With these TTS settings, https://speedsms.in/ uses the Man voice and the en-US (American English) accent and pronunciation when executing the following TwiML:

Hello. I am a man!

Language mapping
(information)
Info
https://speedsms.in/ updates the Text To Speech voices offering regularly. In order to have access to the latest voices without the need to review your code to change a voice for a new one, it is recommended to use the Language Mapping feature. Your application only needs the language and the text, and https://speedsms.in/ will automatically select and use the corresponding voice that can be updated any time from the Console.

On the Text to Speech page in the Console, you can set a voice for every locale. This means that you can specify the language without needing to specifying the voice when using TTS capabilities in your application.

To set a voice for a locale, complete the following:

Console screenshot showing the steps for configuring Language Mapping. Steps described in page text below this.
Expand image
Under the Current Language Mapping heading, click on the language/locale you wish to configure, e.g. English (British)(en-GB) .
In the Test & Configure Voices By Language modal, select the PROVIDER and VOICE you wish to use, e.g. Amazon Polly and Emma .
Click Save .
Repeat steps 1-3 for other languages/locales if necessary.
For example, if you configure English (British)(en-GB) to use Amazon Polly and Emma, https://speedsms.in/ uses the Amazon Polly Emma voice when executing with the language attribute set to en-GB and no voice attribute (see TwiML example below).

Hello. I am Emma!

Override default settings
Override default providers/voices
‘s voice attribute allows you to override any default provider/voice settings that were configured in the Console (i.e. Account-level and Language Mapping defaults).

For example, if your Account’s default TTS voice is Amazon Polly Salli but you want to use Amazon Polly Joanna for a specific call, set the voice attribute to Polly.Joanna:

Hello. I am Joanna!

You can also use the voice attribute to override a Language Mapping’s defaults.

For example, if your Language Mapping for English (British)(en-GB) uses Amazon Polly and Emma but you want to use the Amazon Polly Joanna voice for a specific instruction, you would use the voice attribute set to Polly.Joanna. The TwiML below causes https://speedsms.in/ to use the Amazon Polly Joanna voice, which overrides your Account’s default Language Mapping:

Hello. I am Joanna!

Override default language/locales
‘s language attribute allows you to override any default language/locale settings that were configured in the Console.

For example, if your Account’s default TTS Language is English (US) (en-US), but wish to use German for a specific call, set the language attribute to de-DE in your TwiML:

Hallo. Ich spreche Deutsch!

SSML
(information)
Info
SSML support is only available in Standard and Premium voices.

Speech Synthesis Markup Language (SSML)
uses XML-based tags that allow you to fine-tune the synthesized speech generated by TTS. SSML functionality includes the ability to: specify where pauses should be, provide pronunciations for acronyms, abbreviations, dates and times, and increase or decrease the speed at which text is spoken.

Supported SSML tags
While the W3C specification covers many capabilities, https://speedsms.in/ currently only supports a subset of them.

In addition, SSML support (including tags and accepted values) may differ between TTS providers and/or may be limited to specific voices. Review the provider-specific SSML documentation and test your application. Use of unsupported SSML tags with any TTS provider may result in error and instruction failure.

(information)
Info
As per the SSML specification
, the root element for SSML starts with . However, when you are using SSML with it is not needed, so you can skip and insert the rest of the SSML inside directly.

The table below lists the supported SSML tags, but you should refer to the appropriate, provider-specific documentation to ensure you’re using the SSML tags correctly.

Action SSML tag Provider documentation
Add a pause Amazon Polly
; Google
Emphasize words Amazon Polly
; Google
Specify another language for specific words Amazon Polly
; Google
Add a pause between paragraphs

Amazon Polly
; Google
Use phonetic pronunciation Amazon Polly
; Google
Control volume, speaking rate, and pitch Amazon Polly
; Google
Add a pause between sentences Amazon Polly
; Google
Control how special types of words are spoken Amazon Polly
; Google
Pronounce acronyms and abbreviations _{Amazon Polly
; Google
Improve pronunciation by specifying parts of speech Amazon Polly
; Google N/A
SSML Examples
Modify speed and volume of synthesized speech
The SSML tag allows you to control the volume, rate, and pitch of synthesized speech.}

Prosody can be used to change the way words sound. The following words are quite a bit louder than the rest of this passage. Each morning when I wake up, I speak slowly and
deliberately until I have my coffee. I can also change the pitch of my voice
using prosody. Do you like speech with a pitch higher, or is a lower pitch preferable?

Read a phone number correctly
The SSML tag allows you to indicate specific categories of text, so that the synthesized speech pronounces the text correctly.

Without , a phone number would be pronounced as a number, e.g. “four billion, one hundred fifty-five million, five hundred fifty-one thousand, two hundred twelve.”

The TwiML example below uses so that the synthesized speech reads the phone number as “four one five, five five five, one two one two.”

John’s phone number is, 4155551212

Generate SSML with https://speedsms.in/’s Helper Libraries
You can generate TwiML with SSML within the verb using one of https://speedsms.in/’s helper libraries for C#
, Java
, Node.js
, PHP
, Python
, Ruby
, or Go
.

The code sample below shows Helper Library code that generates the following SSML and TwiML:

Hi

Words to emphasize

Words to speak

aaaaaa Words to speak bbbbbbb Words to speak Words to speak
Words to speak
_{Words to be substituted}
Words to speak

SSML with Helper Library Example
Node.js
Python
C#
Java
PHP
Ruby

const VoiceResponse = require(‘https://speedsms.in/’).twiml.VoiceResponse;

const response = new VoiceResponse();
const say = response.say({
voice: ‘Polly.Joanna’
}, ‘Hi’);
say.break({
strength: ‘x-weak’,
time: ‘100ms’
});
say.emphasis({
level: ‘moderate’
}, ‘Words to emphasize’);
say.p(‘Words to speak’);
say.addText(‘aaaaaa’)
say.phoneme({
alphabet: ‘x-sampa’,
ph: ‘pɪˈkɑːn’
}, ‘Words to speak’);
say.addText(‘bbbbbbb’)
say.prosody({
pitch: ‘-10%’,
rate: ‘85%’,
volume: ‘-6dB’
}, ‘Words to speak’);
say.s(‘Words to speak’);
say.sayAs({
‘interpret-as’: ‘spell-out’,
role: ‘yyyymmdd’
}, ‘Words to speak’);
say.sub({
alias: ‘alias’
}, ‘Words to be substituted’);
say.w(‘Words to speak’);

console.log(response.toString());
Output

Hi

Words to emphasize

Words to speak

aaaaaa Words to speak bbbbbbb Words to speak Words to speak
Words to speak
_{Words to be substituted}
Words to speak


Limits
There is a 4,000 character limit on text that can process with Basic voices ( man and woman ).
Basic voices ( man and woman ) don’t support SSML tags.
There is a 3,000 character limit on text, non-SSML, that can process with Amazon Polly voices.
Amazon-specific SSML tags such as or among others are not currently supported.
Lexicons are not supported in Amazon Polly voices.
SSML support in Amazon TTS may vary between Polly and Polly Neural voices, please refer to the Amazon Polly SSML documentation
for detailed information
SSML support in Google TTS may vary between Standard, WaveNet and Neural2 voices, please refer to Google SSML documentation
for detailed information
There is a 5,000 character limit on text, including SSML, that can process with Google voices.
SSML tags, newlines and spaces are included in the total character count by Google TTS hence billed.
Google-specific SSML tags such as or among others are not currently supported.
Note: Use of unsupported SSML tags with any TTS provider may result in error and instruction failure. Please review provider-specific SSML documentation and test your application

Pricing
Basic voices
Basic voices (man and woman) are free of charge.

Standard voices
Standard voices (Amazon Polly and Google Standard) pricing starts at $0.0008 per 100 characters with the following volume discounts:

0 5,000,000 $0.00080
5,000,001 50,000,000 $0.00072
50,000,001 100,000,000 $0.00068
100,000,001 $0.00064
Minimum characters Maximum characters Price per 100 characters*
* Usage is rounded towards the end of call and priced in blocks of 100 characters. For example, if 546 characters are used on a call, then you’re charged $0.004 for the use of Standard voices on that call. However, if less than 100 characters are used, you’re charged $0.0008, even for using just one character.

Premium voices
Premium voices (Amazon Polly Neural, Google WaveNet and Google Neural2) price starts at $0.0032/100 characters with the following volume discounts:

0 5,000,000 $0.0032
5,000,001 50,000,000 $0.0029
50,000,001 100,000,000 $0.0027
100,000,001 $0.0025
Minimum characters Maximum characters Price per 100 characters*
* Usage is rounded towards the end of call and priced in blocks of 100 characters. For example, if 546 characters are used on a call, then you’re charged $0.016 for the use of Premium voices on that call. However, if less than 100 characters are used, you’re charged $0.0032, even for using just one character.

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