Kokoro TTS integration for Vision Agents
Project description
GetStream Kokoro Plugin
This package integrates the open-weight Kokoro-82M TTS model with the GetStream audio/video SDK.
It provides a drop-in KokoroTTS class that implements the common getstream_common.tts.TTS interface, allowing you to stream PCM audio generated by Kokoro directly into a WebRTC
AudioStreamTrack.
from getstream.plugins.kokoro import KokoroTTS
from getstream.video.rtc.audio_track import AudioStreamTrack
track = AudioStreamTrack(framerate=24_000)
tts = KokoroTTS(lang_code="a", voice="af_heart")
tts.set_output_track(track)
async for chunk in tts.send_iter("Hello from Kokoro!"):
pass
Installation
uv add "vision-agents[kokoro]"
# or directly
uv add vision-agents-plugins-kokoro
This will pull in the required kokoro, numpy and getstream[webrtc] dependencies. You also need espeak-ng **at runtime
** for pronunciation fallback. On macOS you can install it with Homebrew:
brew install espeak-ng
Configuration options
| Parameter | Default | Description |
|---|---|---|
lang_code |
"a" |
Language group passed to KPipeline ("a" = American English, etc.) |
voice |
"af_heart" |
Kokoro voice preset. See the model card for available options. |
speed |
1.0 |
Playback speed multiplier. |
sample_rate |
24000 |
Output sample-rate (fixed by Kokoro). The attached AudioStreamTrack must use the same value. |
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