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v2 is English-only; v3 covers 25 European languages with automatic language detection. The archive shares v2's filenames, architecture, sample rate, and feature dim, so no runtime loader changes are needed. Document that the `language` config field and PASEO_*_LANGUAGE vars only steer the OpenAI STT provider — the local Parakeet models ignore them, so multilingual local dictation means selecting the v3 model.
110 lines
5.1 KiB
Markdown
110 lines
5.1 KiB
Markdown
---
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title: Voice
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description: Paseo voice architecture, local-first model execution, and provider configuration.
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nav: Voice
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order: 9
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---
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# Voice
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Paseo has first-class voice support for dictation and realtime conversations with your coding environment.
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## Philosophy
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Voice is local-first. You can run speech fully on-device, or choose OpenAI for speech features. For voice reasoning/orchestration, Paseo reuses agent providers already installed and authenticated on your machine.
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This keeps credentials and execution in your environment and avoids introducing a separate cloud-only voice stack.
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## Architecture
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- Speech I/O: STT and TTS providers per feature (`local` or `openai`)
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- Local speech runtime: ONNX models executed on CPU by default
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- Voice LLM orchestration: hidden agent session using your configured provider (`claude`, `codex`, or `opencode`)
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- Tooling path: MCP stdio bridge for voice tools and agent control
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## Local Speech
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Local speech defaults to model IDs `parakeet-tdt-0.6b-v2-int8` (STT) and `kokoro-en-v0_19` (TTS, speaker 0 / voice 00).
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Missing models are downloaded at daemon startup into `$PASEO_HOME/models/local-speech`. Downloads happen only for missing files.
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### Local STT models and language support
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| Model ID | Languages |
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| --------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| `parakeet-tdt-0.6b-v2-int8` | English only (default). Includes punctuation and capitalization. |
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| `parakeet-tdt-0.6b-v3-int8` | 25 European languages, auto-detected: Bulgarian, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hungarian, Italian, Latvian, Lithuanian, Maltese, Polish, Portuguese, Romanian, Russian, Slovak, Slovenian, Spanish, Swedish, Ukrainian. |
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**To use a non-English language, switch the local STT model to `parakeet-tdt-0.6b-v3-int8`.** v3 detects the spoken language automatically — there is no per-language setting for it. The `language` field below does **not** steer the local Parakeet model (v2 is English-only, v3 auto-detects); it only applies to the OpenAI STT provider.
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```json
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{
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"version": 1,
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"features": {
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"dictation": {
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"stt": { "provider": "local", "model": "parakeet-tdt-0.6b-v2-int8", "language": "en" }
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},
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"voiceMode": {
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"llm": { "provider": "claude", "model": "haiku" },
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"stt": { "provider": "local", "model": "parakeet-tdt-0.6b-v2-int8", "language": "en" },
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"tts": { "provider": "local", "model": "kokoro-en-v0_19", "speakerId": 0 }
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}
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},
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"providers": {
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"local": {
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"modelsDir": "~/.paseo/models/local-speech"
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}
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}
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}
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```
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For multilingual local dictation, set the model to v3 — it auto-detects the language, so no `language` field is needed:
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```json
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{
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"version": 1,
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"features": {
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"dictation": {
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"stt": { "provider": "local", "model": "parakeet-tdt-0.6b-v3-int8" }
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}
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}
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}
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```
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The `language` field applies only to the OpenAI STT provider: set `features.dictation.stt.language` for dictation and `features.voiceMode.stt.language` for realtime voice. If voice language is omitted, Paseo uses the dictation language before falling back to `en`. It has no effect on the local Parakeet models.
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## OpenAI Speech Option
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You can switch dictation, voice STT, and voice TTS to OpenAI by setting provider fields to `openai` and providing `OPENAI_API_KEY`.
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```json
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{
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"version": 1,
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"features": {
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"dictation": { "stt": { "provider": "openai" } },
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"voiceMode": {
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"stt": { "provider": "openai" },
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"tts": { "provider": "openai" }
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}
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},
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"providers": {
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"openai": { "apiKey": "..." }
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}
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}
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```
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## Environment Variables
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- `OPENAI_API_KEY`, OpenAI speech credentials
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- `PASEO_VOICE_LLM_PROVIDER`, voice agent provider override
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- `PASEO_LOCAL_MODELS_DIR`, local model storage directory
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- `PASEO_DICTATION_LOCAL_STT_MODEL`, local dictation STT model ID
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- `PASEO_VOICE_LOCAL_STT_MODEL`, `PASEO_VOICE_LOCAL_TTS_MODEL`, local voice STT/TTS model IDs
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- `PASEO_DICTATION_LANGUAGE`, dictation STT language (OpenAI STT only; ignored by local Parakeet)
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- `PASEO_VOICE_LANGUAGE`, realtime voice STT language; falls back to `PASEO_DICTATION_LANGUAGE` when unset (OpenAI STT only; ignored by local Parakeet)
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- `PASEO_VOICE_LOCAL_TTS_SPEAKER_ID`, `PASEO_VOICE_LOCAL_TTS_SPEED`, optional local voice TTS tuning
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## Operational Notes
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Realtime voice can launch and control agents. Treat voice prompts with the same care as direct agent instructions, especially when specifying working directories or destructive operations.
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