83 lines
2.7 KiB
Markdown
83 lines
2.7 KiB
Markdown
# delayed-streams-modeling
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Delayed Streams Modeling (DSM) is a flexible formulation for streaming, multimodal sequence-to-sequence learning.
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## Speech To Text
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### English only model
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The main model handles english only, it has ~2.6B parameters.
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#### PyTorch implementation
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[[Hugging Face]](https://huggingface.co/kyutai/stt-2.6b-en)
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```bash
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# wget https://github.com/metavoiceio/metavoice-src/raw/main/assets/bria.mp3
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python -m moshi.run_inference --hf-repo kyutai/stt-2.6B-en bria.mp3
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```
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#### MLX implementation
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[[Hugging Face]](https://huggingface.co/kyutai/stt-2.6b-en-mlx)
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```bash
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# wget https://github.com/metavoiceio/metavoice-src/raw/main/assets/bria.mp3
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python -m moshi_mlx.run_inference --hf-repo kyutai/stt-2.6b-en-mlx bria.mp3 --temp 0
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```
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#### Rust implementation
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[[Hugging Face]](https://huggingface.co/kyutai/stt-2.6b-en-candle)
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The Rust implementation provides a server that can process multiple streaming
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queries in parallel. Dependening on the amount of memory on your GPU, you may
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have to adjust the batch size from the config file. For a L40S GPU, a batch size
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of 64 works well.
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In order to run the server, install the `moshi-server` crate via the following
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command. The server code can be found in the
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[kyutai-labs/moshi](https://github.com/kyutai-labs/moshi/tree/main/rust/moshi-server)
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repository.
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```bash
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cargo install --features cuda moshi-server
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```
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Then the server can be started via the following command using the config file
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from this repository.
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```bash
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moshi-server worker --config configs/config-stt-hf.toml
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```
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Once the server has started you can run a streaming inference with the following
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script.
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```bash
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# wget https://github.com/metavoiceio/metavoice-src/raw/main/assets/bria.mp3
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uv run scripts/asr-streaming-query.py bria.mp3
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```
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The script simulates some real-time processing of the audio. Faster processing
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can be triggered by setting the real-time factor, e.g. `--rtf 500` will process
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the data as fast as possible.
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### English + French model
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This model has ~1B parameters and supports both English and French.
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#### Rust implementation
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[[Hugging Face]](https://huggingface.co/kyutai/stt-1b-en_fr-candle)
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The only difference with the en only model is the config file used when
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launching the server.
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```bash
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moshi-server worker --config configs/config-stt-enfr-hf.toml
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```
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## Text To Speech
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We're in the process of open-sourcing our TTS models. Check back for updates!
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## License
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The present code is provided under the MIT license for the Python parts, and Apache license for the Rust backend.
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The web client code is provided under the MIT license.
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Note that parts of this code is based on [AudioCraft](https://github.com/facebookresearch/audiocraft), released under
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the MIT license.
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The weights for the models are released under the CC-BY 4.0 license.
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