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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® 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® QCS9075 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 0.331 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® X Elite 0.442 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 0.31 ms 0 - 7 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 0.571 ms 1 - 10 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® QCS8275 0.998 ms 0 - 9 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® QCS8550 (Proxy) 0.398 ms 0 - 2 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® QCS8450 0.571 ms 1 - 10 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA7255P 0.998 ms 0 - 9 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Elite Mobile 0.287 ms 0 - 13 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8295P 0.812 ms 0 - 6 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 0.286 ms 0 - 9 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® QCS9075 0.511 ms 3 - 5 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® QCS8750 0.287 ms 0 - 13 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® QCS7181 0.442 ms 1 - 1 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® X2 Elite 0.654 ms 0 - 0 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® X Elite 1.063 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 1.35 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® QCS8275 2.766 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® QCS8550 (Proxy) 0.892 ms 0 - 1 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® QCS8450 1.35 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA7255P 2.766 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Elite Mobile 0.524 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8295P 1.739 ms 0 - 6 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 0.486 ms 0 - 8 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® QCS9075 1.125 ms 0 - 2 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® QCS8750 0.524 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® QCS7181 1.063 ms 0 - 0 MB NPU
decoder VOICE_AI float Snapdragon® X2 Elite 1.706 ms 0 - 0 MB NPU
decoder VOICE_AI float Snapdragon® X Elite 3.076 ms 0 - 0 MB NPU
decoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 2.186 ms 0 - 8 MB NPU
decoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 4.367 ms 0 - 10 MB NPU
decoder VOICE_AI float Qualcomm® QCS8275 8.162 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® QCS8550 (Proxy) 3.012 ms 0 - 1 MB NPU
decoder VOICE_AI float Qualcomm® QCS8450 4.367 ms 0 - 10 MB NPU
decoder VOICE_AI float Qualcomm® SA7255P 8.162 ms 0 - 9 MB NPU
decoder VOICE_AI float Snapdragon® 8 Elite Mobile 1.894 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® SA8295P 3.974 ms 0 - 6 MB NPU
decoder VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 1.815 ms 0 - 8 MB NPU
decoder VOICE_AI float Qualcomm® QCS9075 3.35 ms 0 - 2 MB NPU
decoder VOICE_AI float Qualcomm® QCS8750 1.894 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® QCS7181 3.076 ms 0 - 0 MB NPU
encoder VOICE_AI float Snapdragon® X2 Elite 18.69 ms 0 - 0 MB NPU
encoder VOICE_AI float Snapdragon® X Elite 29.86 ms 0 - 0 MB NPU
encoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 23.819 ms 0 - 7 MB NPU
encoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 38.093 ms 0 - 9 MB NPU
encoder VOICE_AI float Qualcomm® QCS8275 47.404 ms 0 - 9 MB NPU
encoder VOICE_AI float Qualcomm® QCS8550 (Proxy) 31.672 ms 0 - 2 MB NPU
encoder VOICE_AI float Qualcomm® QCS8450 38.093 ms 0 - 9 MB NPU
encoder VOICE_AI float Qualcomm® SA7255P 47.404 ms 0 - 9 MB NPU
encoder VOICE_AI float Snapdragon® 8 Elite Mobile 19.098 ms 0 - 13 MB NPU
encoder VOICE_AI float Qualcomm® SA8295P 35.225 ms 0 - 6 MB NPU
encoder VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 17.071 ms 0 - 8 MB NPU
encoder VOICE_AI float Qualcomm® QCS9075 32.688 ms 0 - 3 MB NPU
encoder VOICE_AI float Qualcomm® QCS8750 19.098 ms 0 - 13 MB NPU
encoder VOICE_AI float Qualcomm® QCS7181 29.86 ms 0 - 0 MB NPU
flow VOICE_AI float Snapdragon® X2 Elite 9.685 ms 4 - 4 MB NPU
flow VOICE_AI float Snapdragon® X Elite 16.018 ms 4 - 4 MB NPU
flow VOICE_AI float Snapdragon® 8 Gen 3 Mobile 11.145 ms 4 - 12 MB NPU
flow VOICE_AI float Snapdragon® 8 Gen 1 Mobile 18.143 ms 3 - 13 MB NPU
flow VOICE_AI float Qualcomm® QCS8275 39.785 ms 1 - 10 MB NPU
flow VOICE_AI float Qualcomm® QCS8550 (Proxy) 14.979 ms 4 - 7 MB NPU
flow VOICE_AI float Qualcomm® QCS8450 18.143 ms 3 - 13 MB NPU
flow VOICE_AI float Qualcomm® SA7255P 39.785 ms 1 - 10 MB NPU
flow VOICE_AI float Snapdragon® 8 Elite Mobile 8.903 ms 3 - 16 MB NPU
flow VOICE_AI float Qualcomm® SA8295P 18.793 ms 1 - 7 MB NPU
flow VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 8.937 ms 3 - 11 MB NPU
flow VOICE_AI float Qualcomm® QCS9075 17.652 ms 4 - 10 MB NPU
flow VOICE_AI float Qualcomm® QCS8750 8.903 ms 3 - 16 MB NPU
flow VOICE_AI float Qualcomm® QCS7181 16.018 ms 4 - 4 MB NPU
sdp VOICE_AI float Snapdragon® X2 Elite 7.126 ms 0 - 0 MB NPU
sdp VOICE_AI float Snapdragon® X Elite 11.354 ms 0 - 0 MB NPU
sdp VOICE_AI float Snapdragon® 8 Gen 3 Mobile 7.67 ms 0 - 9 MB NPU
sdp VOICE_AI float Snapdragon® 8 Gen 1 Mobile 11.205 ms 1 - 10 MB NPU
sdp VOICE_AI float Qualcomm® QCS8275 20.583 ms 0 - 9 MB NPU
sdp VOICE_AI float Qualcomm® QCS8550 (Proxy) 10.409 ms 0 - 2 MB NPU
sdp VOICE_AI float Qualcomm® QCS8450 11.205 ms 1 - 10 MB NPU
sdp VOICE_AI float Qualcomm® SA7255P 20.583 ms 0 - 9 MB NPU
sdp VOICE_AI float Snapdragon® 8 Elite Mobile 6.963 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® SA8295P 12.655 ms 0 - 6 MB NPU
sdp VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 6.614 ms 0 - 9 MB NPU
sdp VOICE_AI float Qualcomm® QCS9075 10.967 ms 0 - 2 MB NPU
sdp VOICE_AI float Qualcomm® QCS8750 6.963 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® QCS7181 11.354 ms 0 - 0 MB NPU

License

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

References

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