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# mOrpheus Virtual Assistant Demo
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This project implements the Morpheus Virtual Assistant, which integrates speech recognition, text generation, and text-to-speech (TTS) synthesis. The assistant utilizes the following components:
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- **Whisper** for speech recognition.
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- **LM Studio API** for text generation (chat) and text-to-speech.
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- **SNAC-based decoder** to convert TTS token streams into PCM audio.
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## Features
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- **Speech Recognition:** Captures audio input from the microphone and transcribes it using the Whisper model.
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- **Text Generation:** Uses LM Studio’s chat API to generate responses based on the transcribed input.
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- **Text-to-Speech:** Synthesizes speech from text using LM Studio’s TTS API and decodes the token stream with a SNAC-based decoder.
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- **Audio Playback:** Plays the generated audio and checks its duration to warn if the audio might be truncated.
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## Requirements
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- Python 3.7+
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- [PyTorch](https://pytorch.org/)
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- [Whisper](https://github.com/openai/whisper)
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- [sounddevice](https://python-sounddevice.readthedocs.io/)
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- [scipy](https://www.scipy.org/)
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- [numpy](https://numpy.org/)
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- [requests](https://docs.python-requests.org/)
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- [PyYAML](https://pyyaml.org/)
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- [Transformers](https://huggingface.co/transformers/)
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- [SNAC](https://github.com/hubertsiuzdak/snac) (or your local version)
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## Setup
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1. **Clone the repository:**
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```bash
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git clone https://github.com/yourusername/morpheus-virtual-assistant.git
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cd morpheus-virtual-assistant
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```
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2. **Install the dependencies:**
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```bash
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pip install -r requirements.txt
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```
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*Ensure that your `requirements.txt` includes all required packages.*
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3. **Configure the application:**
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- Create a `config.yaml` file in the project root.
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- Populate it with your configuration details for Whisper, LM Studio API, audio settings, etc.
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Example `config.yaml`:
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```yaml
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whisper:
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model_name: "base"
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sample_rate: 16000
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lm_studio_api:
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api_url: "http://your-api-url.com"
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chat:
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endpoint: "/v1/chat"
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model: "gemma"
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system_prompt: "You are a helpful assistant."
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max_tokens: 150
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temperature: 0.7
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top_p: 0.9
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repetition_penalty: 1.0
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tts:
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endpoint: "/v1/tts"
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model: "orpheus"
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default_voice: "default"
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max_tokens: 200
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temperature: 0.8
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tts:
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sample_rate: 24000
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audio:
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input_device: null
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output_device: null
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desired_tts_duration: 20
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```
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4. **Run the Assistant:**
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```bash
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python morpheus_demo.py
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```
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Make sure you have your choosen LLM model and the Orpheus 4-bit GGUF loaded inside LM Studio and that you are in API mode.
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## Usage
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- The assistant will begin by listening for your voice input.
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- After transcribing your speech, it will generate a text response using the LM Studio API.
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- The response is then converted to speech using the TTS API, decoded via SNAC, and played back.
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- If the generated audio duration is below the configured threshold, a warning is printed.
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## Contributing
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Feel free to open issues or submit pull requests with improvements or bug fixes.
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## License
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This project is licensed under the MIT License. See the [LICENSE](LICENSE) file for details.
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