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PiperTTS-IT

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

PiperTTS-IT: Optimized for Qualcomm Devices

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

This is based on the implementation of PiperTTS-IT 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-IT 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-IT 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-voices
  • 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 0.292 ms 0 - 8 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Elite For Galaxy Mobile 0.272 ms 0 - 8 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® X2 Elite 0.331 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® X Elite 0.434 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 0.321 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 0.581 ms 1 - 4 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.409 ms 0 - 2 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8650P 0.652 ms 0 - 9 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8255P 0.652 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 0.526 ms 1 - 3 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 0.434 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 0.272 ms 0 - 8 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8295P 0.677 ms 0 - 5 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.487 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 0.667 ms 0 - 0 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® X Elite 1.037 ms 0 - 0 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 0.623 ms 0 - 7 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 1.276 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 1.082 ms 0 - 3 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.885 ms 0 - 1 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8650P 1.27 ms 0 - 5 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8255P 1.27 ms 0 - 5 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® QCS8450 1.276 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 1.123 ms 2 - 4 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 1.037 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 1.629 ms 0 - 5 MB NPU
decoder VOICE_AI float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 4.431 ms 0 - 7 MB NPU
decoder VOICE_AI float Snapdragon® 8 Elite For Galaxy Mobile 4.989 ms 0 - 8 MB NPU
decoder VOICE_AI float Snapdragon® X2 Elite 4.172 ms 0 - 0 MB NPU
decoder VOICE_AI float Snapdragon® X Elite 7.396 ms 0 - 0 MB NPU
decoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 6.047 ms 0 - 7 MB NPU
decoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 4.809 ms 0 - 10 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 7.95 ms 0 - 3 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 7.736 ms 0 - 1 MB NPU
decoder VOICE_AI float Qualcomm® SA8650P 3.483 ms 0 - 5 MB NPU
decoder VOICE_AI float Qualcomm® SA8255P 3.483 ms 0 - 5 MB NPU
decoder VOICE_AI float Qualcomm® QCS8450 4.809 ms 0 - 10 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 7.63 ms 0 - 2 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 7.396 ms 0 - 0 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 4.989 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 8.85 ms 0 - 7 MB NPU
encoder VOICE_AI float Snapdragon® 8 Elite For Galaxy Mobile 9.323 ms 0 - 13 MB NPU
encoder VOICE_AI float Snapdragon® X2 Elite 8.636 ms 0 - 0 MB NPU
encoder VOICE_AI float Snapdragon® X Elite 15.521 ms 0 - 0 MB NPU
encoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 10.837 ms 0 - 7 MB NPU
encoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 17.548 ms 0 - 9 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 16.415 ms 0 - 4 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 15.607 ms 0 - 2 MB NPU
encoder VOICE_AI float Qualcomm® SA8650P 32.982 ms 0 - 9 MB NPU
encoder VOICE_AI float Qualcomm® SA8255P 32.982 ms 0 - 9 MB NPU
encoder VOICE_AI float Qualcomm® QCS8450 17.548 ms 0 - 9 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 17.181 ms 2 - 5 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 15.521 ms 0 - 0 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 9.323 ms 0 - 13 MB NPU
encoder VOICE_AI float Qualcomm® SA8295P 19.883 ms 0 - 6 MB NPU
flow VOICE_AI float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 9.144 ms 3 - 12 MB NPU
flow VOICE_AI float Snapdragon® 8 Elite For Galaxy Mobile 8.465 ms 3 - 15 MB NPU
flow VOICE_AI float Snapdragon® X2 Elite 9.678 ms 4 - 4 MB NPU
flow VOICE_AI float Snapdragon® X Elite 15.124 ms 4 - 4 MB NPU
flow VOICE_AI float Snapdragon® 8 Gen 3 Mobile 10.729 ms 4 - 10 MB NPU
flow VOICE_AI float Snapdragon® 8 Gen 1 Mobile 16.564 ms 4 - 14 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 16.806 ms 4 - 12 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 14.27 ms 4 - 5 MB NPU
flow VOICE_AI float Qualcomm® SA8650P 17.32 ms 1 - 10 MB NPU
flow VOICE_AI float Qualcomm® SA8255P 17.32 ms 1 - 10 MB NPU
flow VOICE_AI float Qualcomm® QCS8450 16.564 ms 4 - 14 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 16.844 ms 6 - 13 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 15.124 ms 4 - 4 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ Q-8750 8.465 ms 3 - 15 MB NPU
flow VOICE_AI float Qualcomm® SA8295P 18.087 ms 0 - 5 MB NPU
sdp VOICE_AI float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 7.245 ms 0 - 8 MB NPU
sdp VOICE_AI float Snapdragon® 8 Elite For Galaxy Mobile 7.434 ms 0 - 13 MB NPU
sdp VOICE_AI float Snapdragon® X2 Elite 7.716 ms 0 - 0 MB NPU
sdp VOICE_AI float Snapdragon® X Elite 12.113 ms 0 - 0 MB NPU
sdp VOICE_AI float Snapdragon® 8 Gen 3 Mobile 8.147 ms 0 - 8 MB NPU
sdp VOICE_AI float Snapdragon® 8 Gen 1 Mobile 11.913 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 11.02 ms 0 - 4 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 11.223 ms 0 - 2 MB NPU
sdp VOICE_AI float Qualcomm® SA8650P 11.179 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® SA8255P 11.179 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® QCS8450 11.913 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 12.039 ms 0 - 3 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 12.113 ms 0 - 0 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ Q-8750 7.434 ms 0 - 13 MB NPU
sdp VOICE_AI float Qualcomm® SA8295P 13.419 ms 0 - 5 MB NPU

License

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

References

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