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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® Dragonwing™ IQ-8275 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 Qualcomm® Dragonwing™ IQ-9075 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 Snapdragon® 8 Elite Mobile QAIRT 2.45 Download
VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 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:

  • 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® X2 Elite 0.325 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® X Elite 0.417 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 0.312 ms 0 - 7 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 0.579 ms 1 - 10 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 0.999 ms 0 - 8 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.399 ms 1 - 2 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8775P 0.651 ms 0 - 5 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8650P 0.651 ms 0 - 5 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8255P 0.651 ms 0 - 5 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® QCS8450 0.579 ms 1 - 10 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 0.516 ms 3 - 5 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 0.417 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 0.286 ms 0 - 13 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA7255P 0.999 ms 0 - 8 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8295P 0.803 ms 0 - 6 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Elite Mobile 0.286 ms 0 - 13 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 0.269 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® X2 Elite 0.636 ms 0 - 0 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 0.633 ms 0 - 8 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 1.344 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 2.799 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.893 ms 0 - 1 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8775P 1.262 ms 0 - 10 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8650P 1.262 ms 0 - 10 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8255P 1.262 ms 0 - 10 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® QCS8450 1.344 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 1.127 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 0.526 ms 0 - 13 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA7255P 2.799 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8295P 1.737 ms 0 - 6 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Elite Mobile 0.526 ms 0 - 13 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 0.489 ms 0 - 13 MB NPU
decoder VOICE_AI float Snapdragon® X2 Elite 1.735 ms 0 - 0 MB NPU
decoder VOICE_AI float Snapdragon® X Elite 3.096 ms 1 - 1 MB NPU
decoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 2.162 ms 0 - 8 MB NPU
decoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 4.376 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 8.081 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 3.01 ms 0 - 2 MB NPU
decoder VOICE_AI float Qualcomm® SA8775P 3.471 ms 0 - 5 MB NPU
decoder VOICE_AI float Qualcomm® SA8650P 3.471 ms 0 - 5 MB NPU
decoder VOICE_AI float Qualcomm® SA8255P 3.471 ms 0 - 5 MB NPU
decoder VOICE_AI float Qualcomm® QCS8450 4.376 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 3.326 ms 0 - 2 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 3.096 ms 1 - 1 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 1.9 ms 0 - 13 MB NPU
decoder VOICE_AI float Qualcomm® SA7255P 8.081 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 Mobile 1.9 ms 0 - 13 MB NPU
decoder VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 1.823 ms 0 - 9 MB NPU
encoder VOICE_AI float Snapdragon® X2 Elite 18.896 ms 0 - 0 MB NPU
encoder VOICE_AI float Snapdragon® X Elite 30.163 ms 0 - 0 MB NPU
encoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 23.318 ms 0 - 7 MB NPU
encoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 38.258 ms 0 - 9 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 46.93 ms 0 - 10 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 30.407 ms 0 - 2 MB NPU
encoder VOICE_AI float Qualcomm® SA8775P 32.864 ms 0 - 10 MB NPU
encoder VOICE_AI float Qualcomm® SA8650P 32.864 ms 0 - 10 MB NPU
encoder VOICE_AI float Qualcomm® SA8255P 32.864 ms 0 - 10 MB NPU
encoder VOICE_AI float Qualcomm® QCS8450 38.258 ms 0 - 9 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 32.301 ms 2 - 5 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 30.163 ms 0 - 0 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 19.104 ms 0 - 9 MB NPU
encoder VOICE_AI float Qualcomm® SA7255P 46.93 ms 0 - 10 MB NPU
encoder VOICE_AI float Qualcomm® SA8295P 35.201 ms 0 - 6 MB NPU
encoder VOICE_AI float Snapdragon® 8 Elite Mobile 19.104 ms 0 - 9 MB NPU
encoder VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 17.053 ms 0 - 9 MB NPU
flow VOICE_AI float Snapdragon® X2 Elite 9.675 ms 4 - 4 MB NPU
flow VOICE_AI float Snapdragon® X Elite 15.803 ms 4 - 4 MB NPU
flow VOICE_AI float Snapdragon® 8 Gen 3 Mobile 11.014 ms 4 - 11 MB NPU
flow VOICE_AI float Snapdragon® 8 Gen 1 Mobile 18.26 ms 4 - 13 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 39.909 ms 1 - 9 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 15.125 ms 4 - 5 MB NPU
flow VOICE_AI float Qualcomm® SA8775P 17.258 ms 1 - 11 MB NPU
flow VOICE_AI float Qualcomm® SA8650P 17.258 ms 1 - 11 MB NPU
flow VOICE_AI float Qualcomm® SA8255P 17.258 ms 1 - 11 MB NPU
flow VOICE_AI float Qualcomm® QCS8450 18.26 ms 4 - 13 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 17.346 ms 6 - 12 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 15.803 ms 4 - 4 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ Q-8750 8.901 ms 3 - 12 MB NPU
flow VOICE_AI float Qualcomm® SA7255P 39.909 ms 1 - 9 MB NPU
flow VOICE_AI float Qualcomm® SA8295P 18.834 ms 0 - 6 MB NPU
flow VOICE_AI float Snapdragon® 8 Elite Mobile 8.901 ms 3 - 12 MB NPU
flow VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 8.949 ms 3 - 11 MB NPU
sdp VOICE_AI float Snapdragon® X2 Elite 7.103 ms 0 - 0 MB NPU
sdp VOICE_AI float Snapdragon® X Elite 11.215 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 11.168 ms 1 - 10 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 20.576 ms 0 - 9 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 10.404 ms 0 - 2 MB NPU
sdp VOICE_AI float Qualcomm® SA8775P 11.115 ms 0 - 6 MB NPU
sdp VOICE_AI float Qualcomm® SA8650P 11.115 ms 0 - 6 MB NPU
sdp VOICE_AI float Qualcomm® SA8255P 11.115 ms 0 - 6 MB NPU
sdp VOICE_AI float Qualcomm® QCS8450 11.168 ms 1 - 10 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 10.934 ms 0 - 2 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 11.215 ms 0 - 0 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ Q-8750 6.951 ms 0 - 13 MB NPU
sdp VOICE_AI float Qualcomm® SA7255P 20.576 ms 0 - 9 MB NPU
sdp VOICE_AI float Qualcomm® SA8295P 12.65 ms 0 - 6 MB NPU
sdp VOICE_AI float Snapdragon® 8 Elite Mobile 6.951 ms 0 - 13 MB NPU
sdp VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 6.604 ms 0 - 9 MB NPU

License

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

References

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