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PiperTTS-DE

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

PiperTTS-DE: Optimized for Qualcomm Devices

PiperTTS is a high-quality multi-lingual text-to-speech library.

This is based on the implementation of PiperTTS-DE 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® X2 Elite QAIRT 2.45 Download
VOICE_AI float Snapdragon® X Elite QAIRT 2.45 Download
VOICE_AI float Snapdragon® 8 Gen 3 Mobile QAIRT 2.45 Download
VOICE_AI float Snapdragon® 8 Gen 1 Mobile QAIRT 2.45 Download
VOICE_AI float Qualcomm® QCS8275 QAIRT 2.45 Download
VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) QAIRT 2.45 Download
VOICE_AI float Qualcomm® SA8775P QAIRT 2.45 Download
VOICE_AI float Snapdragon® 8 Elite Mobile QAIRT 2.45 Download
VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile QAIRT 2.45 Download
VOICE_AI float Qualcomm® SA7255P QAIRT 2.45 Download
VOICE_AI float Qualcomm® SA8295P QAIRT 2.45 Download
VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 QAIRT 2.45 Download

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

Model Details

Model Type: Model_use_case.audio_generation

Model Stats:

  • Model checkpoint: rhasspy/piper-checkpoints
  • Max decoded sequence length: 64 tokens
  • Number of parameters (encoder): 7.51M
  • Model size (encoder) (float): 28.7 MB
  • Number of parameters (sdp): 1.04K
  • Model size (sdp) (float): 6.61 KB
  • Number of parameters (flow): 7.39M
  • Model size (flow) (float): 28.2 MB
  • Number of parameters (decoder): 1.66M
  • Model size (decoder) (float): 6.37 MB
  • Number of parameters (t5_encoder): 15.1M
  • Model size (t5_encoder) (float): 57.5 MB
  • Number of parameters (t5_decoder): 5.72M
  • Model size (t5_decoder) (float): 21.8 MB

Performance Summary

Model Runtime Precision Chipset Inference Time (ms) Peak Memory Range (MB) Primary Compute Unit
charsiu_decoder VOICE_AI float Snapdragon® X2 Elite 0.334 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® X Elite 0.415 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 0.309 ms 0 - 7 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 0.572 ms 1 - 13 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® QCS8275 0.975 ms 0 - 8 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.398 ms 0 - 2 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8775P 0.647 ms 0 - 9 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8650P 0.647 ms 0 - 9 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8255P 0.647 ms 0 - 9 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® QCS8450 0.572 ms 1 - 13 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 0.26 ms 0 - 9 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Elite Mobile 0.272 ms 0 - 13 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA7255P 0.975 ms 0 - 8 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 0.546 ms 3 - 5 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8295P 0.795 ms 0 - 6 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 0.272 ms 0 - 13 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 0.415 ms 1 - 1 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® X2 Elite 0.624 ms 0 - 0 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® X Elite 1.064 ms 0 - 0 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 0.632 ms 0 - 7 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 1.353 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® QCS8275 2.75 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.886 ms 0 - 1 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8775P 1.264 ms 0 - 10 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8650P 1.264 ms 0 - 10 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8255P 1.264 ms 0 - 10 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® QCS8450 1.353 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 0.488 ms 0 - 8 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Elite Mobile 0.529 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA7255P 2.75 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 1.116 ms 0 - 2 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8295P 1.752 ms 0 - 6 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 0.529 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 1.064 ms 0 - 0 MB NPU
decoder VOICE_AI float Snapdragon® X2 Elite 1.778 ms 0 - 0 MB NPU
decoder VOICE_AI float Snapdragon® X Elite 3.088 ms 0 - 0 MB NPU
decoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 2.189 ms 0 - 7 MB NPU
decoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 4.387 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® QCS8275 8.141 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 3.011 ms 0 - 2 MB NPU
decoder VOICE_AI float Qualcomm® SA8775P 3.461 ms 0 - 10 MB NPU
decoder VOICE_AI float Qualcomm® SA8650P 3.461 ms 0 - 10 MB NPU
decoder VOICE_AI float Qualcomm® SA8255P 3.461 ms 0 - 10 MB NPU
decoder VOICE_AI float Qualcomm® QCS8450 4.387 ms 0 - 9 MB NPU
decoder VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 1.822 ms 0 - 9 MB NPU
decoder VOICE_AI float Snapdragon® 8 Elite Mobile 1.898 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® SA7255P 8.141 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 3.332 ms 0 - 2 MB NPU
decoder VOICE_AI float Qualcomm® SA8295P 3.989 ms 0 - 6 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 1.898 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 3.088 ms 0 - 0 MB NPU
encoder VOICE_AI float Snapdragon® X2 Elite 18.671 ms 0 - 0 MB NPU
encoder VOICE_AI float Snapdragon® X Elite 29.322 ms 0 - 0 MB NPU
encoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 23.738 ms 0 - 7 MB NPU
encoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 38.348 ms 1 - 10 MB NPU
encoder VOICE_AI float Qualcomm® QCS8275 47.396 ms 0 - 10 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 31.494 ms 0 - 2 MB NPU
encoder VOICE_AI float Qualcomm® SA8775P 32.991 ms 0 - 10 MB NPU
encoder VOICE_AI float Qualcomm® SA8650P 32.991 ms 0 - 10 MB NPU
encoder VOICE_AI float Qualcomm® SA8255P 32.991 ms 0 - 10 MB NPU
encoder VOICE_AI float Qualcomm® QCS8450 38.348 ms 1 - 10 MB NPU
encoder VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 17.098 ms 0 - 8 MB NPU
encoder VOICE_AI float Snapdragon® 8 Elite Mobile 19.324 ms 0 - 9 MB NPU
encoder VOICE_AI float Qualcomm® SA7255P 47.396 ms 0 - 10 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 33.026 ms 0 - 3 MB NPU
encoder VOICE_AI float Qualcomm® SA8295P 35.24 ms 0 - 6 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 19.324 ms 0 - 9 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 29.322 ms 0 - 0 MB NPU
flow VOICE_AI float Snapdragon® X2 Elite 9.69 ms 4 - 4 MB NPU
flow VOICE_AI float Snapdragon® X Elite 15.87 ms 4 - 4 MB NPU
flow VOICE_AI float Snapdragon® 8 Gen 3 Mobile 10.982 ms 4 - 11 MB NPU
flow VOICE_AI float Snapdragon® 8 Gen 1 Mobile 18.195 ms 3 - 13 MB NPU
flow VOICE_AI float Qualcomm® QCS8275 40.096 ms 1 - 10 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 15.057 ms 4 - 7 MB NPU
flow VOICE_AI float Qualcomm® SA8775P 17.152 ms 1 - 10 MB NPU
flow VOICE_AI float Qualcomm® SA8650P 17.152 ms 1 - 10 MB NPU
flow VOICE_AI float Qualcomm® SA8255P 17.152 ms 1 - 10 MB NPU
flow VOICE_AI float Qualcomm® QCS8450 18.195 ms 3 - 13 MB NPU
flow VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 8.91 ms 1 - 9 MB NPU
flow VOICE_AI float Snapdragon® 8 Elite Mobile 8.925 ms 3 - 16 MB NPU
flow VOICE_AI float Qualcomm® SA7255P 40.096 ms 1 - 10 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 17.75 ms 4 - 10 MB NPU
flow VOICE_AI float Qualcomm® SA8295P 18.953 ms 0 - 6 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ Q-8750 8.925 ms 3 - 16 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 15.87 ms 4 - 4 MB NPU
sdp VOICE_AI float Snapdragon® X2 Elite 7.132 ms 0 - 0 MB NPU
sdp VOICE_AI float Snapdragon® X Elite 11.293 ms 0 - 0 MB NPU
sdp VOICE_AI float Snapdragon® 8 Gen 3 Mobile 7.689 ms 0 - 8 MB NPU
sdp VOICE_AI float Snapdragon® 8 Gen 1 Mobile 11.166 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® QCS8275 20.589 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 10.408 ms 0 - 2 MB NPU
sdp VOICE_AI float Qualcomm® SA8775P 11.144 ms 3 - 9 MB NPU
sdp VOICE_AI float Qualcomm® SA8650P 11.144 ms 3 - 9 MB NPU
sdp VOICE_AI float Qualcomm® SA8255P 11.144 ms 3 - 9 MB NPU
sdp VOICE_AI float Qualcomm® QCS8450 11.166 ms 0 - 10 MB NPU
sdp VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 6.603 ms 0 - 9 MB NPU
sdp VOICE_AI float Snapdragon® 8 Elite Mobile 6.95 ms 0 - 13 MB NPU
sdp VOICE_AI float Qualcomm® SA7255P 20.589 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 11.075 ms 2 - 4 MB NPU
sdp VOICE_AI float Qualcomm® SA8295P 12.664 ms 0 - 6 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ Q-8750 6.95 ms 0 - 13 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 11.293 ms 0 - 0 MB NPU

License

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

References

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