Voice isteğe bağlı
Voice to use for synthesis. The preset name encodes the voice and its supported language codes. 'mixed_en_zh' means the voice can seamlessly blend English and Chinese; separate codes (e.g. 'en_zh') mean the voice supports each language independently.
Stokie en Output Format isteğe bağlı
Output audio format. 'mp3' returns MP3 audio; 'opus' returns Opus audio in an Ogg container.
Mp3 Opus
Sample Rate isteğe bağlı
Sample rate of the output audio in Hz.
8000 16000 22050 24000 32000 44100 48000
Speed isteğe bağlı
Speech speed. 1.0 is normal speed, 0.5 is half speed, 2.0 is double speed.
0.5 1.5
Volume isteğe bağlı
Volume. 1.0 is normal volume, 0.5 is half, 2.0 is double.
0.5 1.5
Pitch isteğe bağlı
Voice pitch shift in semitones. 0 is normal pitch, -12 lowers by one octave, 12 raises by one octave.
Language isteğe bağlı
Force the text to be read as a single language, disabling automatic language detection. Leave unset for automatic detection (including seamless Chinese/English mixing on bilingual voices). Codes: zh (Chinese), en (English), ja (Japanese), es-mx (Mexican Spanish), id (Indonesian), pt-br (Brazilian Portuguese), ko (Korean), it (Italian), de (German), fr (French).
Zh En Ja Es-mx Id Pt-br Ko It De Fr
Voice Instruction isteğe bağlı
Optional natural-language instruction that steers the delivery (tone, emotion, pace, volume), e.g. 'Speak in a cheerful tone' or 'Could you speak a bit slower?'. It is not spoken aloud and does not affect billing.