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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® 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 3 Mobile 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

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:

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

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 0.268 ms 0 - 8 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Elite For Galaxy Mobile 0.3 ms 0 - 12 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® X2 Elite 0.32 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® X Elite 0.424 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 0.325 ms 0 - 7 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 0.475 ms 1 - 10 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 0.559 ms 1 - 4 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.412 ms 1 - 2 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8650P 0.65 ms 0 - 9 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8255P 0.65 ms 0 - 9 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® QCS8450 0.475 ms 1 - 10 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 0.534 ms 1 - 3 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 0.424 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 0.3 ms 0 - 12 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8295P 0.679 ms 0 - 5 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.49 ms 0 - 7 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Elite For Galaxy Mobile 0.521 ms 0 - 8 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® X2 Elite 0.67 ms 1 - 1 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® X Elite 1.046 ms 0 - 0 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 0.624 ms 0 - 7 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 1.078 ms 0 - 3 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.884 ms 0 - 1 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8650P 1.255 ms 0 - 10 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8255P 1.255 ms 0 - 10 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 1.12 ms 0 - 2 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 1.046 ms 0 - 0 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 0.521 ms 0 - 8 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8295P 1.612 ms 0 - 5 MB NPU
decoder VOICE_AI float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 4.435 ms 0 - 8 MB NPU
decoder VOICE_AI float Snapdragon® 8 Elite For Galaxy Mobile 5.032 ms 0 - 8 MB NPU
decoder VOICE_AI float Snapdragon® X2 Elite 4.221 ms 0 - 0 MB NPU
decoder VOICE_AI float Snapdragon® X Elite 7.414 ms 0 - 0 MB NPU
decoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 5.91 ms 0 - 7 MB NPU
decoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 4.783 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 7.948 ms 0 - 3 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 7.782 ms 0 - 1 MB NPU
decoder VOICE_AI float Qualcomm® SA8650P 3.477 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® SA8255P 3.477 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® QCS8450 4.783 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 7.639 ms 0 - 2 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 7.414 ms 0 - 0 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 5.032 ms 0 - 8 MB NPU
decoder VOICE_AI float Qualcomm® SA8295P 5.333 ms 0 - 5 MB NPU
encoder VOICE_AI float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 8.851 ms 0 - 8 MB NPU
encoder VOICE_AI float Snapdragon® 8 Elite For Galaxy Mobile 9.317 ms 0 - 8 MB NPU
encoder VOICE_AI float Snapdragon® X2 Elite 8.528 ms 0 - 0 MB NPU
encoder VOICE_AI float Snapdragon® X Elite 15.561 ms 0 - 0 MB NPU
encoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 10.932 ms 0 - 7 MB NPU
encoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 17.588 ms 0 - 9 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) 15.756 ms 0 - 1 MB NPU
encoder VOICE_AI float Qualcomm® SA8650P 32.898 ms 0 - 5 MB NPU
encoder VOICE_AI float Qualcomm® SA8255P 32.898 ms 0 - 5 MB NPU
encoder VOICE_AI float Qualcomm® QCS8450 17.588 ms 0 - 9 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 16.99 ms 0 - 3 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 15.561 ms 0 - 0 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 9.317 ms 0 - 8 MB NPU
encoder VOICE_AI float Qualcomm® SA8295P 20.004 ms 0 - 5 MB NPU
flow VOICE_AI float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 9.177 ms 3 - 10 MB NPU
flow VOICE_AI float Snapdragon® 8 Elite For Galaxy Mobile 8.457 ms 3 - 11 MB NPU
flow VOICE_AI float Snapdragon® X2 Elite 9.66 ms 4 - 4 MB NPU
flow VOICE_AI float Snapdragon® X Elite 15.161 ms 4 - 4 MB NPU
flow VOICE_AI float Snapdragon® 8 Gen 3 Mobile 10.709 ms 4 - 11 MB NPU
flow VOICE_AI float Snapdragon® 8 Gen 1 Mobile 16.686 ms 4 - 14 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 16.93 ms 4 - 12 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 14.336 ms 4 - 5 MB NPU
flow VOICE_AI float Qualcomm® SA8650P 17.347 ms 1 - 10 MB NPU
flow VOICE_AI float Qualcomm® SA8255P 17.347 ms 1 - 10 MB NPU
flow VOICE_AI float Qualcomm® QCS8450 16.686 ms 4 - 14 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 16.535 ms 4 - 11 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 15.161 ms 4 - 4 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ Q-8750 8.457 ms 3 - 11 MB NPU
flow VOICE_AI float Qualcomm® SA8295P 17.962 ms 1 - 6 MB NPU
sdp VOICE_AI float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 7.243 ms 0 - 10 MB NPU
sdp VOICE_AI float Snapdragon® 8 Elite For Galaxy Mobile 7.429 ms 0 - 8 MB NPU
sdp VOICE_AI float Snapdragon® X2 Elite 7.77 ms 0 - 0 MB NPU
sdp VOICE_AI float Snapdragon® X Elite 12.144 ms 0 - 0 MB NPU
sdp VOICE_AI float Snapdragon® 8 Gen 3 Mobile 8.137 ms 0 - 8 MB NPU
sdp VOICE_AI float Snapdragon® 8 Gen 1 Mobile 11.912 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 11.014 ms 0 - 4 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 11.263 ms 0 - 2 MB NPU
sdp VOICE_AI float Qualcomm® SA8650P 11.21 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® SA8255P 11.21 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® QCS8450 11.912 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 11.774 ms 0 - 3 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 12.144 ms 0 - 0 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ Q-8750 7.429 ms 0 - 8 MB NPU
sdp VOICE_AI float Qualcomm® SA8295P 13.425 ms 0 - 5 MB NPU

License

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

References

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