80 lines
2.8 KiB
Markdown
80 lines
2.8 KiB
Markdown
---
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summary: "Talk mode: continuous speech conversations with ElevenLabs TTS"
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read_when:
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- Implementing Talk mode on macOS/iOS/Android
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- Changing voice/TTS/interrupt behavior
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---
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# Talk Mode
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Talk mode is a continuous voice conversation loop:
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1) Listen for speech
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2) Send transcript to the model (main session, chat.send)
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3) Wait for the response
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4) Speak it via ElevenLabs (streaming playback)
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## Behavior (macOS)
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- **Always-on overlay** while Talk mode is enabled.
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- **Listening → Thinking → Speaking** phase transitions.
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- On a **short pause** (silence window), the current transcript is sent.
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- Replies are **written to WebChat** (same as typing).
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- **Interrupt on speech** (default on): if the user starts talking while the assistant is speaking, we stop playback and note the interruption timestamp for the next prompt.
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## Voice directives in replies
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The assistant may prefix its reply with a **single JSON line** to control voice:
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```json
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{"voice":"<voice-id>","once":true}
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```
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Rules:
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- First non-empty line only.
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- Unknown keys are ignored.
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- `once: true` applies to the current reply only.
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- Without `once`, the voice becomes the new default for Talk mode.
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- The JSON line is stripped before TTS playback.
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Supported keys:
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- `voice` / `voice_id` / `voiceId`
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- `model` / `model_id` / `modelId`
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- `speed`, `rate` (WPM), `stability`, `similarity`, `style`, `speakerBoost`
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- `seed`, `normalize`, `lang`, `output_format`, `latency_tier`
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- `once`
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## Config (clawdbot.json)
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```json5
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{
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"talk": {
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"voiceId": "elevenlabs_voice_id",
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"modelId": "eleven_v3",
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"outputFormat": "mp3_44100_128",
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"apiKey": "elevenlabs_api_key",
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"interruptOnSpeech": true
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}
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}
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```
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Defaults:
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- `interruptOnSpeech`: true
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- `voiceId`: falls back to `ELEVENLABS_VOICE_ID` / `SAG_VOICE_ID` (or first ElevenLabs voice when API key is available)
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- `modelId`: defaults to `eleven_v3` when unset
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- `apiKey`: falls back to `ELEVENLABS_API_KEY` (or gateway shell profile if available)
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- `outputFormat`: defaults to `pcm_44100` on macOS/iOS and `pcm_24000` on Android (set `mp3_*` to force MP3 streaming)
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## macOS UI
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- Menu bar toggle: **Talk**
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- Config tab: **Talk Mode** group (voice id + interrupt toggle)
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- Overlay:
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- **Listening**: cloud pulses with mic level
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- **Thinking**: sinking animation
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- **Speaking**: radiating rings
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- Click cloud: stop speaking
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- Click X: exit Talk mode
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## Notes
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- Requires Speech + Microphone permissions.
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- Uses `chat.send` against session key `main`.
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- TTS uses ElevenLabs streaming API with `ELEVENLABS_API_KEY` and incremental playback on macOS/iOS/Android for lower latency.
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- `stability` for `eleven_v3` is validated to `0.0`, `0.5`, or `1.0`; other models accept `0..1`.
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- `latency_tier` is validated to `0..4` when set.
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- Android supports `pcm_16000`, `pcm_22050`, `pcm_24000`, and `pcm_44100` output formats for low-latency AudioTrack streaming.
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