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README.md
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# Parakeet-TDT-0.6B v3 (ANE)
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## Model Description
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**parakeet-tdt-0.6b-v3** is a 600M-parameter multilingual automatic speech recognition (ASR) model from **NVIDIA**.
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It extends **parakeet-tdt-0.6b-v2** by moving beyond English-only to support **25 European languages** with automatic language detection.
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The model was primarily trained on the **Granary multilingual corpus** \[1,2] and is optimized for both research exploration and production deployment.
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This build is integrated with **nexaSDK** and optimized for modern **NPUs**, including **Apple’s Neural Engine (ANE)**, for efficient on-device inference.
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## Features
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* **Multilingual ASR**: 25 European languages with built-in language detection.
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* **Text formatting**: Outputs text with **punctuation and capitalization**.
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* **Timestamps**: Provides both word-level and segment-level timestamps.
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* **Long audio transcription**:
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* Up to **24 minutes** with full attention (A100 80GB).
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* Up to **3 hours** with local attention.
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* **Optimized for NPUs**: Runs efficiently on **Apple ANE**, Qualcomm Hexagon, and other dedicated accelerators.
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* **Commercial-friendly**: Released under **CC-BY-4.0 license**.
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## Apple Neural Engine (ANE)
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The **Apple Neural Engine (ANE)** is a specialized NPU in Apple silicon designed to accelerate AI and ML workloads \[3].
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By offloading heavy ASR computations to the ANE, **parakeet-tdt-0.6b-v3** achieves:
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* **Lower latency** speech transcription on iPhone, iPad, and Mac.
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* **Energy-efficient inference**, extending battery life during real-time ASR tasks.
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* **On-device privacy**, keeping voice data local while maintaining production-grade accuracy.
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## Supported Languages
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Bulgarian (bg), Croatian (hr), Czech (cs), Danish (da), Dutch (nl), English (en), Estonian (et),
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Finnish (fi), French (fr), German (de), Greek (el), Hungarian (hu), Italian (it), Latvian (lv),
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Lithuanian (lt), Maltese (mt), Polish (pl), Portuguese (pt), Romanian (ro), Slovak (sk),
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Slovenian (sl), Spanish (es), Swedish (sv), Russian (ru), Ukrainian (uk)
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## Use Cases
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* Conversational AI and multilingual chatbots
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* Voice assistants and smart devices
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* Real-time transcription services
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* Subtitles and caption generation
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* Voice analytics platforms
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* Research in speech technology
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## Inputs and Outputs
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**Input**
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* **Type**: 16kHz audio
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* **Formats**: `.wav`, `.mp3`
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* **Shape**: 1D mono audio
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**Output**
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* **Type**: Text string
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* **Properties**: Punctuation + capitalization included
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## Limitations & Responsible Use
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The model may produce transcription errors, particularly with code-switching or noisy input.
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Evaluate thoroughly before deploying in sensitive domains (e.g., healthcare, finance, or legal).
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## License
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* Licensed under the original Parakeet license terms.
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* See: [Parakeet Model License](https://huggingface.co/NexaAI/parakeet-tdt-0.6b-v3-NPU/blob/main/LICENSE)
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## References
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* [Parakeet Project](https://huggingface.co/models?search=parakeet)
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* [nexaSDK](https://sdk.nexa.ai)
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* [Apple Neural Engine (ANE)](https://apple.fandom.com/wiki/Neural_Engine)
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## Support
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* For Nexa SDK: [sdk.nexa.ai](https://sdk.nexa.ai)
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