"languageCode": "en-US"
| You can select the language accent in which you want the output voice using this property. You can choose from the below: Arabic — ar-XA , Bengali (India) — bn-IN , Chinese (Hong Kong) — yue-HK , Czech (Czech Republic) — cs-CZ , Danish (Denmark) — da-DK , Dutch (Netherlands) — nl-NL , English (Australia) — en-AU , English (India) — en-IN , English (UK) — en-GB , English (US) — en-US , Filipino (Philippines) — fil-PH , Finnish (Finland) — fi-FI , French (Canada) — fr-CA , French (France) — fr-FR , German (Germany) — de-DE , Greek (Greece) — el-GR , Gujarati (India) — gu-IN , Hindi (India) — hi-IN , Hungarian (Hungary) — hu-HU , Indonesian (Indonesia) — id-ID , Italian (Italy) — it-IT , Japanese (Japan) — ja-JP , Kannada (India) — kn-IN , Korean (South Korea) — ko-KR , Malayalam (India) — ml-IN , Mandarin Chinese — cmn-CN , Norwegian (Norway) — cmn-TW , Polish (Poland) — nb-NO , Portuguese (Brazil) — pl-PL , Portuguese (Portugal) — pt-BR , Romanian (Romania) — pt-PT , Russian (Russia) — ro-RO , Slovak (Slovakia) — ru-RU , Spanish (Spain) — sk-SK , Swedish (Sweden) — es-ES , Tamil (India) — sv-SE |