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PiperTTS-EN-Amy

Text-to-Audio
PyTorch
real_time
android
Model card Files
xet
 Community

PiperTTS-EN-Amy: Optimized for Qualcomm Devices

PiperTTS is a high-quality multi-lingual text-to-speech library. This model uses the Amy English voice (medium quality). Its training data is licensed CC-BY-SA-4.0 per the mimic3-voices project (https://github.com/MycroftAI/mimic3-voices).

This is based on the implementation of PiperTTS-EN-Amy 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.

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
VOICE_AI float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile QAIRT 2.50 Download
VOICE_AI float Snapdragon® 8 Elite For Galaxy Mobile QAIRT 2.50 Download
VOICE_AI float Snapdragon® X2 Elite QAIRT 2.50 Download
VOICE_AI float Snapdragon® X Elite QAIRT 2.50 Download
VOICE_AI float Snapdragon® 8 Gen 1 Mobile QAIRT 2.50 Download
VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 QAIRT 2.50 Download
VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) QAIRT 2.50 Download
VOICE_AI float Qualcomm® SA8775P QAIRT 2.50 Download
VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 QAIRT 2.50 Download
VOICE_AI float Qualcomm® SA7255P QAIRT 2.50 Download
VOICE_AI float Qualcomm® SA8295P QAIRT 2.50 Download
VOICE_AI float Snapdragon® 8 Elite Extreme Gen 6 Mobile QAIRT 2.50 Download
VOICE_AI float Snapdragon® 8 Elite Gen 6 Mobile QAIRT 2.50 Download

For more device-specific assets and performance metrics, visit PiperTTS-EN-Amy 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 PiperTTS-EN-Amy on GitHub for usage instructions.

Model Details

Model Type: Model_use_case.audio_generation

Model Stats:

  • Max decoded sequence length: 64 tokens
  • Model checkpoint: rhasspy/piper-checkpoints (en_US/amy/medium)
  • Model size (charsiu_decoder) (float): 21.9 MB
  • Model size (charsiu_encoder) (float): 57.7 MB
  • Model size (decoder) (float): 6.43 MB
  • Model size (encoder) (float): 28.9 MB
  • Model size (flow) (float): 28.4 MB
  • Model size (sdp) (float): 2.50 MB

Performance Summary

Model Runtime Precision Chipset Inference Time (ms) Peak Memory Range (MB) Primary Compute Unit
charsiu_decoder VOICE_AI float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.261 ms 0 - 8 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Elite For Galaxy Mobile 0.276 ms 0 - 12 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® X2 Elite 0.327 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® X Elite 0.428 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 0.472 ms 1 - 11 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 0.569 ms 1 - 4 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.41 ms 1 - 3 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8775P 0.653 ms 0 - 9 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8650P 0.653 ms 0 - 9 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8255P 0.653 ms 0 - 9 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® QCS8450 0.472 ms 1 - 11 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 0.525 ms 3 - 5 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 0.428 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 0.276 ms 0 - 12 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA7255P 0.99 ms 0 - 9 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8295P 0.687 ms 0 - 5 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Elite Extreme Gen 6 Mobile 0.249 ms 0 - 10 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Elite Gen 6 Mobile 0.254 ms 0 - 10 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.49 ms 0 - 8 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Elite For Galaxy Mobile 0.518 ms 0 - 12 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® X2 Elite 0.661 ms 0 - 0 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® X Elite 1.042 ms 0 - 0 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 1.276 ms 0 - 10 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 1.08 ms 0 - 3 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.9 ms 0 - 1 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8775P 1.209 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8650P 1.209 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8255P 1.209 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® QCS8450 1.276 ms 0 - 10 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 1.123 ms 0 - 2 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 1.042 ms 0 - 0 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 0.518 ms 0 - 12 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA7255P 2.805 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8295P 1.603 ms 0 - 5 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Elite Extreme Gen 6 Mobile 0.461 ms 0 - 10 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Elite Gen 6 Mobile 0.437 ms 0 - 10 MB NPU
decoder VOICE_AI float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 4.44 ms 0 - 8 MB NPU
decoder VOICE_AI float Snapdragon® 8 Elite For Galaxy Mobile 4.978 ms 0 - 12 MB NPU
decoder VOICE_AI float Snapdragon® X2 Elite 4.189 ms 0 - 0 MB NPU
decoder VOICE_AI float Snapdragon® X Elite 7.388 ms 0 - 0 MB NPU
decoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 4.787 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 7.926 ms 0 - 3 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 7.724 ms 0 - 1 MB NPU
decoder VOICE_AI float Qualcomm® SA8775P 7.823 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® SA8650P 7.823 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® SA8255P 7.823 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® QCS8450 4.787 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 7.619 ms 2 - 4 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 7.388 ms 0 - 0 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 4.978 ms 0 - 12 MB NPU
decoder VOICE_AI float Qualcomm® SA7255P 14.645 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® SA8295P 5.324 ms 0 - 5 MB NPU
decoder VOICE_AI float Snapdragon® 8 Elite Extreme Gen 6 Mobile 3.081 ms 0 - 9 MB NPU
decoder VOICE_AI float Snapdragon® 8 Elite Gen 6 Mobile 2.095 ms 0 - 9 MB NPU
encoder VOICE_AI float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 8.852 ms 0 - 8 MB NPU
encoder VOICE_AI float Snapdragon® 8 Elite For Galaxy Mobile 9.309 ms 0 - 12 MB NPU
encoder VOICE_AI float Snapdragon® X2 Elite 8.482 ms 0 - 0 MB NPU
encoder VOICE_AI float Snapdragon® X Elite 15.496 ms 0 - 0 MB NPU
encoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 17.735 ms 1 - 10 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 16.262 ms 0 - 4 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 15.684 ms 0 - 2 MB NPU
encoder VOICE_AI float Qualcomm® SA8775P 16.929 ms 0 - 9 MB NPU
encoder VOICE_AI float Qualcomm® SA8650P 16.929 ms 0 - 9 MB NPU
encoder VOICE_AI float Qualcomm® SA8255P 16.929 ms 0 - 9 MB NPU
encoder VOICE_AI float Qualcomm® QCS8450 17.735 ms 1 - 10 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 17.159 ms 0 - 3 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 15.496 ms 0 - 0 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 9.309 ms 0 - 12 MB NPU
encoder VOICE_AI float Qualcomm® SA7255P 32.658 ms 0 - 8 MB NPU
encoder VOICE_AI float Qualcomm® SA8295P 19.974 ms 0 - 5 MB NPU
encoder VOICE_AI float Snapdragon® 8 Elite Extreme Gen 6 Mobile 5.489 ms 0 - 10 MB NPU
encoder VOICE_AI float Snapdragon® 8 Elite Gen 6 Mobile 9.123 ms 0 - 10 MB NPU
flow VOICE_AI float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 9.149 ms 2 - 9 MB NPU
flow VOICE_AI float Snapdragon® 8 Elite For Galaxy Mobile 8.479 ms 1 - 14 MB NPU
flow VOICE_AI float Snapdragon® X2 Elite 9.651 ms 4 - 4 MB NPU
flow VOICE_AI float Snapdragon® X Elite 15.052 ms 4 - 4 MB NPU
flow VOICE_AI float Snapdragon® 8 Gen 1 Mobile 16.635 ms 4 - 13 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 16.988 ms 4 - 12 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 14.316 ms 4 - 5 MB NPU
flow VOICE_AI float Qualcomm® SA8775P 16.41 ms 1 - 10 MB NPU
flow VOICE_AI float Qualcomm® SA8650P 16.41 ms 1 - 10 MB NPU
flow VOICE_AI float Qualcomm® SA8255P 16.41 ms 1 - 10 MB NPU
flow VOICE_AI float Qualcomm® QCS8450 16.635 ms 4 - 13 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 16.533 ms 4 - 11 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 15.052 ms 4 - 4 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ Q-8750 8.479 ms 1 - 14 MB NPU
flow VOICE_AI float Qualcomm® SA7255P 39.305 ms 1 - 10 MB NPU
flow VOICE_AI float Qualcomm® SA8295P 18.061 ms 3 - 8 MB NPU
flow VOICE_AI float Snapdragon® 8 Elite Extreme Gen 6 Mobile 7.664 ms 4 - 13 MB NPU
flow VOICE_AI float Snapdragon® 8 Elite Gen 6 Mobile 9.774 ms 4 - 13 MB NPU
sdp VOICE_AI float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 7.248 ms 0 - 12 MB NPU
sdp VOICE_AI float Snapdragon® 8 Elite For Galaxy Mobile 7.443 ms 0 - 12 MB NPU
sdp VOICE_AI float Snapdragon® X2 Elite 7.795 ms 0 - 0 MB NPU
sdp VOICE_AI float Snapdragon® X Elite 12.102 ms 0 - 0 MB NPU
sdp VOICE_AI float Snapdragon® 8 Gen 1 Mobile 11.828 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 11.028 ms 0 - 4 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 11.251 ms 1 - 3 MB NPU
sdp VOICE_AI float Qualcomm® SA8775P 11.922 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® SA8650P 11.922 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® SA8255P 11.922 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® QCS8450 11.828 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 11.992 ms 0 - 3 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 12.102 ms 0 - 0 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ Q-8750 7.443 ms 0 - 12 MB NPU
sdp VOICE_AI float Qualcomm® SA7255P 21.756 ms 0 - 9 MB NPU
sdp VOICE_AI float Qualcomm® SA8295P 13.409 ms 0 - 5 MB NPU
sdp VOICE_AI float Snapdragon® 8 Elite Extreme Gen 6 Mobile 6.533 ms 0 - 10 MB NPU
sdp VOICE_AI float Snapdragon® 8 Elite Gen 6 Mobile 6.673 ms 0 - 10 MB NPU

License

  • The license for the original implementation of PiperTTS-EN-Amy can be found here.

References

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