Whisper-Large-V3-Turbo-Quantized: Optimized for Qualcomm Devices

We have applied w8a16 quantization to significantly enhance performance and efficiency. Whisper large-v3-turbo is a finetuned version of a pruned Whisper large-v3, with the number of decoding layers reduced from 32 to 4. This model is based on the transformer architecture and has been optimized for edge inference by replacing Multi-Head Attention (MHA) with Single-Head Attention (SHA) and linear layers with convolutional (conv) layers. It exhibits robust performance in realistic, noisy environments, making it highly reliable for real-world applications. Specifically, it excels in long-form transcription, capable of accurately transcribing audio clips up to 30 seconds long. Time to the first token is the encoder's latency, while time to each additional token is decoder's latency, where we assume a max decoded length specified below.

This is based on the implementation of Whisper-Large-V3-Turbo-Quantized found here. This repository contains pre-exported model files optimized for Qualcomm® devices. You can use the Qualcomm® AI Hub Models library to export with custom configurations. More details on model performance across various devices, can be found here.

Qualcomm AI Hub Models uses Qualcomm AI Hub Workbench to compile, profile, and evaluate this model. Sign up to run these models on a hosted Qualcomm® device.

Deploying Whisper-Large-V3-Turbo-Quantized on-device

This model is compatible with the Qualcomm Voice AI SDK. Download the SDK from the Qualcomm Package Manager to deploy this model on-device.

Getting Started

There are two ways to deploy this model on your device:

Option 1: Download Pre-Exported Models

Below are pre-exported model assets ready for deployment.

Runtime Precision Chipset SDK Versions Download
PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile QAIRT 2.50, ONNX Runtime 1.30.0 Download
PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Elite For Galaxy Mobile QAIRT 2.50, ONNX Runtime 1.30.0 Download
PRECOMPILED_QNN_ONNX w8a16 Snapdragon® X2 Elite QAIRT 2.50, ONNX Runtime 1.30.0 Download
PRECOMPILED_QNN_ONNX w8a16 Snapdragon® X Elite QAIRT 2.50, ONNX Runtime 1.30.0 Download
PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Gen 3 Mobile QAIRT 2.50, ONNX Runtime 1.30.0 Download
PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Gen 1 Mobile QAIRT 2.50, ONNX Runtime 1.30.0 Download
PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ QCS6490 QAIRT 2.50, ONNX Runtime 1.30.0 Download
PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ IQ-8275 QAIRT 2.50, ONNX Runtime 1.30.0 Download
PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) QAIRT 2.50, ONNX Runtime 1.30.0 Download
PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ Q-6690 QAIRT 2.50, ONNX Runtime 1.30.0 Download
PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ IQ-9075 QAIRT 2.50, ONNX Runtime 1.30.0 Download
PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 7 Gen 4 Mobile QAIRT 2.50, ONNX Runtime 1.30.0 Download
QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile QAIRT 2.50 Download
QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Elite For Galaxy Mobile QAIRT 2.50 Download
QNN_CONTEXT_BINARY w8a16 Snapdragon® X2 Elite QAIRT 2.50 Download
QNN_CONTEXT_BINARY w8a16 Snapdragon® X Elite QAIRT 2.50 Download
QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Gen 3 Mobile QAIRT 2.50 Download
QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Gen 1 Mobile QAIRT 2.50 Download
QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ QCS6490 QAIRT 2.50 Download
QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ IQ-8275 QAIRT 2.50 Download
QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) QAIRT 2.50 Download
QNN_CONTEXT_BINARY w8a16 Qualcomm® SA8775P QAIRT 2.50 Download
QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ Q-6690 QAIRT 2.50 Download
QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ IQ-9075 QAIRT 2.50 Download
QNN_CONTEXT_BINARY w8a16 Qualcomm® SA7255P QAIRT 2.50 Download
QNN_CONTEXT_BINARY w8a16 Qualcomm® SA8295P QAIRT 2.50 Download
QNN_CONTEXT_BINARY w8a16 Snapdragon® 7 Gen 4 Mobile QAIRT 2.50 Download
VOICE_AI w8a16 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile QAIRT 2.50 Download
VOICE_AI w8a16 Snapdragon® 8 Elite For Galaxy Mobile QAIRT 2.50 Download
VOICE_AI w8a16 Snapdragon® X2 Elite QAIRT 2.50 Download
VOICE_AI w8a16 Snapdragon® X Elite QAIRT 2.50 Download
VOICE_AI w8a16 Snapdragon® 8 Gen 3 Mobile QAIRT 2.50 Download
VOICE_AI w8a16 Snapdragon® 8 Gen 1 Mobile QAIRT 2.50 Download
VOICE_AI w8a16 Qualcomm® Dragonwing™ QCS6490 QAIRT 2.50 Download
VOICE_AI w8a16 Qualcomm® Dragonwing™ IQ-8275 QAIRT 2.50 Download
VOICE_AI w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) QAIRT 2.50 Download
VOICE_AI w8a16 Qualcomm® SA8775P QAIRT 2.50 Download
VOICE_AI w8a16 Qualcomm® Dragonwing™ Q-6690 QAIRT 2.50 Download
VOICE_AI w8a16 Qualcomm® Dragonwing™ IQ-9075 QAIRT 2.50 Download
VOICE_AI w8a16 Qualcomm® SA7255P QAIRT 2.50 Download
VOICE_AI w8a16 Qualcomm® SA8295P QAIRT 2.50 Download
VOICE_AI w8a16 Snapdragon® 7 Gen 4 Mobile QAIRT 2.50 Download

For more device-specific assets and performance metrics, visit Whisper-Large-V3-Turbo-Quantized on Qualcomm® AI Hub.

Option 2: Export with Custom Configurations

Use the Qualcomm® AI Hub Models Python library to compile and export the model with your own:

  • Custom weights (e.g., fine-tuned checkpoints)
  • Custom input shapes
  • Target device and runtime configurations

This option is ideal if you need to customize the model beyond the default configuration provided here.

See our repository for Whisper-Large-V3-Turbo-Quantized on GitHub for usage instructions.

Model Details

Model Type: Model_use_case.speech_recognition

Model Stats:

  • Input resolution: 128x3000 (30 seconds audio)
  • Max decoded sequence length: 200 tokens
  • Model checkpoint: openai/whisper-large-v3-turbo

Performance Summary

Model Runtime Precision Chipset Inference Time (ms) Peak Memory Range (MB) Primary Compute Unit
decoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 3.289 ms 15 - 29 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Elite For Galaxy Mobile 3.63 ms 23 - 30 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® X2 Elite 2.512 ms 17 - 17 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® X Elite 5.129 ms 267 - 267 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Gen 3 Mobile 4.545 ms 22 - 34 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Gen 1 Mobile 7.206 ms 21 - 35 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ QCS6490 18.72 ms 15 - 35 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ IQ-8275 6.837 ms 14 - 34 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 5.931 ms 0 - 304 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® QCS8450 7.206 ms 21 - 35 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ IQ-9075 6.568 ms 12 - 32 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ IQ-X7181 5.129 ms 267 - 267 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ Q-6690 22.582 ms 15 - 25 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ Q-7790 8.596 ms 15 - 24 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ Q-8750 3.63 ms 23 - 30 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 7 Gen 4 Mobile 8.596 ms 15 - 24 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 3.288 ms 17 - 25 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Elite For Galaxy Mobile 3.542 ms 16 - 23 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Snapdragon® X2 Elite 2.975 ms 17 - 17 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Snapdragon® X Elite 5.39 ms 17 - 17 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Gen 3 Mobile 4.417 ms 16 - 24 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Gen 1 Mobile 7.079 ms 16 - 32 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ QCS6490 18.465 ms 16 - 36 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ IQ-8275 6.738 ms 14 - 35 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 5.756 ms 16 - 17 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® SA8650P 6.693 ms 17 - 26 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® SA8255P 6.693 ms 17 - 26 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® QCS8450 7.079 ms 16 - 32 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ IQ-9075 6.443 ms 14 - 35 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ IQ-X7181 5.39 ms 17 - 17 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ Q-6690 21.77 ms 16 - 22 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ Q-7790 8.528 ms 16 - 22 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ Q-8750 3.542 ms 16 - 23 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® SA8295P 7.292 ms 14 - 20 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 7 Gen 4 Mobile 8.528 ms 16 - 22 MB NPU
decoder VOICE_AI w8a16 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 3.368 ms 17 - 26 MB NPU
decoder VOICE_AI w8a16 Snapdragon® 8 Elite For Galaxy Mobile 3.569 ms 15 - 23 MB NPU
decoder VOICE_AI w8a16 Snapdragon® X2 Elite 3.055 ms 17 - 17 MB NPU
decoder VOICE_AI w8a16 Snapdragon® X Elite 5.519 ms 17 - 17 MB NPU
decoder VOICE_AI w8a16 Snapdragon® 8 Gen 3 Mobile 4.45 ms 16 - 25 MB NPU
decoder VOICE_AI w8a16 Snapdragon® 8 Gen 1 Mobile 7.095 ms 16 - 32 MB NPU
decoder VOICE_AI w8a16 Qualcomm® Dragonwing™ QCS6490 18.947 ms 16 - 36 MB NPU
decoder VOICE_AI w8a16 Qualcomm® Dragonwing™ IQ-8275 6.738 ms 14 - 35 MB NPU
decoder VOICE_AI w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 5.848 ms 16 - 17 MB NPU
decoder VOICE_AI w8a16 Qualcomm® SA8650P 6.634 ms 16 - 25 MB NPU
decoder VOICE_AI w8a16 Qualcomm® SA8255P 6.634 ms 16 - 25 MB NPU
decoder VOICE_AI w8a16 Qualcomm® QCS8450 7.095 ms 16 - 32 MB NPU
decoder VOICE_AI w8a16 Qualcomm® Dragonwing™ IQ-9075 6.454 ms 16 - 37 MB NPU
decoder VOICE_AI w8a16 Qualcomm® Dragonwing™ IQ-X7181 5.519 ms 17 - 17 MB NPU
decoder VOICE_AI w8a16 Qualcomm® Dragonwing™ Q-6690 22.162 ms 16 - 23 MB NPU
decoder VOICE_AI w8a16 Qualcomm® Dragonwing™ Q-7790 8.554 ms 16 - 23 MB NPU
decoder VOICE_AI w8a16 Qualcomm® Dragonwing™ Q-8750 3.569 ms 15 - 23 MB NPU
decoder VOICE_AI w8a16 Qualcomm® SA8295P 7.267 ms 17 - 22 MB NPU
decoder VOICE_AI w8a16 Snapdragon® 7 Gen 4 Mobile 8.554 ms 16 - 23 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 124.968 ms 32 - 45 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Elite For Galaxy Mobile 156.908 ms 32 - 44 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® X2 Elite 126.291 ms 32 - 32 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® X Elite 271.635 ms 655 - 655 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Gen 3 Mobile 191.045 ms 31 - 44 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Gen 1 Mobile 382.801 ms 31 - 46 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ QCS6490 1414.533 ms 2 - 5 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ IQ-8275 242.642 ms 31 - 35 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 270.822 ms 0 - 770 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® QCS8450 382.801 ms 31 - 46 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ IQ-9075 251.44 ms 32 - 35 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ IQ-X7181 271.635 ms 655 - 655 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ Q-6690 5859.698 ms 3 - 14 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ Q-7790 486.976 ms 16 - 27 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ Q-8750 156.908 ms 32 - 44 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 7 Gen 4 Mobile 486.976 ms 16 - 27 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 121.092 ms 3 - 11 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Elite For Galaxy Mobile 150.738 ms 1 - 10 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Snapdragon® X2 Elite 126.124 ms 1 - 1 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Snapdragon® X Elite 271.987 ms 1 - 1 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Gen 3 Mobile 187.464 ms 12 - 19 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Gen 1 Mobile 371.727 ms 0 - 10 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ QCS6490 1405.044 ms 1 - 18 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ IQ-8275 242.465 ms 1 - 18 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 272.275 ms 1 - 16 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® SA8650P 1433.464 ms 1 - 11 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® SA8255P 1433.464 ms 1 - 11 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® QCS8450 371.727 ms 0 - 10 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ IQ-9075 250.875 ms 1 - 18 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ IQ-X7181 271.987 ms 1 - 1 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ Q-6690 5340.157 ms 2 - 14 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ Q-7790 484.306 ms 0 - 7 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ Q-8750 150.738 ms 1 - 10 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® SA8295P 350.759 ms 1 - 7 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 7 Gen 4 Mobile 484.306 ms 0 - 7 MB NPU
encoder VOICE_AI w8a16 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 121.75 ms 1 - 9 MB NPU
encoder VOICE_AI w8a16 Snapdragon® 8 Elite For Galaxy Mobile 150.431 ms 1 - 10 MB NPU
encoder VOICE_AI w8a16 Snapdragon® X2 Elite 128.433 ms 1 - 1 MB NPU
encoder VOICE_AI w8a16 Snapdragon® X Elite 271.677 ms 1 - 1 MB NPU
encoder VOICE_AI w8a16 Snapdragon® 8 Gen 3 Mobile 188.258 ms 1 - 9 MB NPU
encoder VOICE_AI w8a16 Snapdragon® 8 Gen 1 Mobile 379.523 ms 1 - 11 MB NPU
encoder VOICE_AI w8a16 Qualcomm® Dragonwing™ QCS6490 1401.381 ms 1 - 18 MB NPU
encoder VOICE_AI w8a16 Qualcomm® Dragonwing™ IQ-8275 242.77 ms 1 - 18 MB NPU
encoder VOICE_AI w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 272.133 ms 0 - 3 MB NPU
encoder VOICE_AI w8a16 Qualcomm® SA8650P 1434.77 ms 1 - 10 MB NPU
encoder VOICE_AI w8a16 Qualcomm® SA8255P 1434.77 ms 1 - 10 MB NPU
encoder VOICE_AI w8a16 Qualcomm® QCS8450 379.523 ms 1 - 11 MB NPU
encoder VOICE_AI w8a16 Qualcomm® Dragonwing™ IQ-9075 251.22 ms 1 - 18 MB NPU
encoder VOICE_AI w8a16 Qualcomm® Dragonwing™ IQ-X7181 271.677 ms 1 - 1 MB NPU
encoder VOICE_AI w8a16 Qualcomm® Dragonwing™ Q-6690 5425.874 ms 2 - 14 MB NPU
encoder VOICE_AI w8a16 Qualcomm® Dragonwing™ Q-7790 487.874 ms 1 - 8 MB NPU
encoder VOICE_AI w8a16 Qualcomm® Dragonwing™ Q-8750 150.431 ms 1 - 10 MB NPU
encoder VOICE_AI w8a16 Qualcomm® SA8295P 350.571 ms 1 - 7 MB NPU
encoder VOICE_AI w8a16 Snapdragon® 7 Gen 4 Mobile 487.874 ms 1 - 8 MB NPU

License

  • The license for the original implementation of Whisper-Large-V3-Turbo-Quantized can be found here.

References

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