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 1.27.1 Download
PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Elite For Galaxy Mobile QAIRT 2.50, ONNX Runtime 1.27.1 Download
PRECOMPILED_QNN_ONNX w8a16 Snapdragon® X2 Elite QAIRT 2.50, ONNX Runtime 1.27.1 Download
PRECOMPILED_QNN_ONNX w8a16 Snapdragon® X Elite QAIRT 2.50, ONNX Runtime 1.27.1 Download
PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Gen 3 Mobile QAIRT 2.50, ONNX Runtime 1.27.1 Download
PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Gen 1 Mobile QAIRT 2.50, ONNX Runtime 1.27.1 Download
PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ QCS6490 QAIRT 2.50, ONNX Runtime 1.27.1 Download
PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ IQ-8275 QAIRT 2.50, ONNX Runtime 1.27.1 Download
PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) QAIRT 2.50, ONNX Runtime 1.27.1 Download
PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ Q-6690 QAIRT 2.50, ONNX Runtime 1.27.1 Download
PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ IQ-9075 QAIRT 2.50, ONNX Runtime 1.27.1 Download
PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 7 Gen 4 Mobile QAIRT 2.50, ONNX Runtime 1.27.1 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 3.34 ms 15 - 24 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Elite For Galaxy Mobile 3.621 ms 21 - 32 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® X2 Elite 2.607 ms 17 - 17 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® X Elite 5.161 ms 267 - 267 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Gen 3 Mobile 4.465 ms 23 - 35 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Gen 1 Mobile 7.186 ms 21 - 36 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ QCS6490 19.129 ms 15 - 35 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ IQ-8275 6.876 ms 13 - 34 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 5.966 ms 0 - 304 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® QCS8450 7.186 ms 21 - 36 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ IQ-9075 6.569 ms 12 - 32 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ IQ-X7181 5.161 ms 267 - 267 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ Q-6690 28.596 ms 16 - 26 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ Q-7790 8.591 ms 15 - 25 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ Q-8750 3.621 ms 21 - 32 MB NPU
decoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 7 Gen 4 Mobile 8.591 ms 15 - 25 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 3.294 ms 17 - 25 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Elite For Galaxy Mobile 3.556 ms 16 - 25 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Snapdragon® X2 Elite 3.101 ms 17 - 17 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Snapdragon® X Elite 5.364 ms 17 - 17 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Gen 3 Mobile 4.449 ms 16 - 24 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Gen 1 Mobile 7.048 ms 16 - 31 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ QCS6490 18.165 ms 12 - 33 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ IQ-8275 6.742 ms 16 - 37 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 5.865 ms 16 - 18 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 7.048 ms 16 - 31 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ IQ-9075 6.475 ms 14 - 35 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ IQ-X7181 5.364 ms 17 - 17 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ Q-6690 23.288 ms 16 - 22 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ Q-7790 8.508 ms 16 - 22 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ Q-8750 3.556 ms 16 - 25 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Qualcomm® SA8295P 7.27 ms 14 - 20 MB NPU
decoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 7 Gen 4 Mobile 8.508 ms 16 - 22 MB NPU
decoder VOICE_AI w8a16 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 3.281 ms 17 - 24 MB NPU
decoder VOICE_AI w8a16 Snapdragon® 8 Elite For Galaxy Mobile 3.546 ms 17 - 25 MB NPU
decoder VOICE_AI w8a16 Snapdragon® X2 Elite 3.116 ms 17 - 17 MB NPU
decoder VOICE_AI w8a16 Snapdragon® X Elite 5.509 ms 17 - 17 MB NPU
decoder VOICE_AI w8a16 Snapdragon® 8 Gen 3 Mobile 4.409 ms 16 - 25 MB NPU
decoder VOICE_AI w8a16 Snapdragon® 8 Gen 1 Mobile 7.112 ms 16 - 32 MB NPU
decoder VOICE_AI w8a16 Qualcomm® Dragonwing™ QCS6490 18.475 ms 11 - 32 MB NPU
decoder VOICE_AI w8a16 Qualcomm® Dragonwing™ IQ-8275 6.734 ms 16 - 37 MB NPU
decoder VOICE_AI w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 5.841 ms 16 - 18 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 7.112 ms 16 - 32 MB NPU
decoder VOICE_AI w8a16 Qualcomm® Dragonwing™ IQ-9075 6.442 ms 14 - 35 MB NPU
decoder VOICE_AI w8a16 Qualcomm® Dragonwing™ IQ-X7181 5.509 ms 17 - 17 MB NPU
decoder VOICE_AI w8a16 Qualcomm® Dragonwing™ Q-6690 22.079 ms 12 - 19 MB NPU
decoder VOICE_AI w8a16 Qualcomm® Dragonwing™ Q-7790 8.56 ms 16 - 22 MB NPU
decoder VOICE_AI w8a16 Qualcomm® Dragonwing™ Q-8750 3.546 ms 17 - 25 MB NPU
decoder VOICE_AI w8a16 Qualcomm® SA8295P 7.322 ms 14 - 20 MB NPU
decoder VOICE_AI w8a16 Snapdragon® 7 Gen 4 Mobile 8.56 ms 16 - 22 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 133.546 ms 31 - 44 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Elite For Galaxy Mobile 154.002 ms 32 - 43 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® X2 Elite 125.85 ms 32 - 32 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® X Elite 271.456 ms 655 - 655 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Gen 3 Mobile 188.4 ms 32 - 44 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 8 Gen 1 Mobile 368.085 ms 31 - 46 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ QCS6490 1423.906 ms 4 - 7 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ IQ-8275 243.071 ms 31 - 35 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 275.109 ms 0 - 770 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® QCS8450 368.085 ms 31 - 46 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ IQ-9075 250.737 ms 31 - 34 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ IQ-X7181 271.456 ms 655 - 655 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ Q-6690 5848.889 ms 3 - 14 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ Q-7790 489.492 ms 16 - 28 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Qualcomm® Dragonwing™ Q-8750 154.002 ms 32 - 43 MB NPU
encoder PRECOMPILED_QNN_ONNX w8a16 Snapdragon® 7 Gen 4 Mobile 489.492 ms 16 - 28 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 121.589 ms 1 - 10 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Elite For Galaxy Mobile 150.033 ms 1 - 10 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Snapdragon® X2 Elite 127.169 ms 1 - 1 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Snapdragon® X Elite 272.533 ms 1 - 1 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Gen 3 Mobile 188.329 ms 1 - 9 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 8 Gen 1 Mobile 369.244 ms 2 - 11 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ QCS6490 1402.003 ms 3 - 20 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ IQ-8275 242.916 ms 1 - 18 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 269.687 ms 1 - 17 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 369.244 ms 2 - 11 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ IQ-9075 250.834 ms 3 - 20 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ IQ-X7181 272.533 ms 1 - 1 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ Q-6690 5294.918 ms 2 - 14 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ Q-7790 483.3 ms 0 - 7 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® Dragonwing™ Q-8750 150.033 ms 1 - 10 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Qualcomm® SA8295P 352.034 ms 1 - 7 MB NPU
encoder QNN_CONTEXT_BINARY w8a16 Snapdragon® 7 Gen 4 Mobile 483.3 ms 0 - 7 MB NPU
encoder VOICE_AI w8a16 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 121.547 ms 3 - 12 MB NPU
encoder VOICE_AI w8a16 Snapdragon® 8 Elite For Galaxy Mobile 151.265 ms 1 - 10 MB NPU
encoder VOICE_AI w8a16 Snapdragon® X2 Elite 127.102 ms 1 - 1 MB NPU
encoder VOICE_AI w8a16 Snapdragon® X Elite 271.638 ms 1 - 1 MB NPU
encoder VOICE_AI w8a16 Snapdragon® 8 Gen 3 Mobile 188.765 ms 3 - 11 MB NPU
encoder VOICE_AI w8a16 Snapdragon® 8 Gen 1 Mobile 366.407 ms 1 - 17 MB NPU
encoder VOICE_AI w8a16 Qualcomm® Dragonwing™ QCS6490 1401.568 ms 1 - 18 MB NPU
encoder VOICE_AI w8a16 Qualcomm® Dragonwing™ IQ-8275 243.811 ms 1 - 18 MB NPU
encoder VOICE_AI w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 270.431 ms 1 - 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 366.407 ms 1 - 17 MB NPU
encoder VOICE_AI w8a16 Qualcomm® Dragonwing™ IQ-9075 250.407 ms 1 - 18 MB NPU
encoder VOICE_AI w8a16 Qualcomm® Dragonwing™ IQ-X7181 271.638 ms 1 - 1 MB NPU
encoder VOICE_AI w8a16 Qualcomm® Dragonwing™ Q-6690 5299.707 ms 2 - 14 MB NPU
encoder VOICE_AI w8a16 Qualcomm® Dragonwing™ Q-7790 485.833 ms 1 - 8 MB NPU
encoder VOICE_AI w8a16 Qualcomm® Dragonwing™ Q-8750 151.265 ms 1 - 10 MB NPU
encoder VOICE_AI w8a16 Qualcomm® SA8295P 350.408 ms 1 - 7 MB NPU
encoder VOICE_AI w8a16 Snapdragon® 7 Gen 4 Mobile 485.833 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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