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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 0.327 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® X Elite 0.445 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 0.318 ms 0 - 8 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 0.573 ms 1 - 10 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 0.977 ms 0 - 8 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.401 ms 1 - 2 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8775P 0.639 ms 0 - 9 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8650P 0.639 ms 0 - 9 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA8255P 0.639 ms 0 - 9 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® QCS8450 0.573 ms 1 - 10 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 0.519 ms 1 - 3 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 0.445 ms 1 - 1 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 0.278 ms 0 - 13 MB NPU
charsiu_decoder VOICE_AI float Qualcomm® SA7255P 0.977 ms 0 - 8 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Elite Mobile 0.278 ms 0 - 13 MB NPU
charsiu_decoder VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 0.264 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® X2 Elite 0.607 ms 0 - 0 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® X Elite 1.065 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 1.339 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 2.82 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.899 ms 0 - 1 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8775P 1.261 ms 0 - 10 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8650P 1.261 ms 0 - 10 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA8255P 1.261 ms 0 - 10 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® QCS8450 1.339 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 1.125 ms 0 - 2 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 1.065 ms 0 - 0 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 0.527 ms 0 - 13 MB NPU
charsiu_encoder VOICE_AI float Qualcomm® SA7255P 2.82 ms 0 - 9 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Elite Mobile 0.527 ms 0 - 13 MB NPU
charsiu_encoder VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 0.488 ms 0 - 9 MB NPU
decoder VOICE_AI float Snapdragon® X2 Elite 1.754 ms 0 - 0 MB NPU
decoder VOICE_AI float Snapdragon® X Elite 3.06 ms 0 - 0 MB NPU
decoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 2.183 ms 0 - 8 MB NPU
decoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 4.355 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 8.07 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 3.01 ms 0 - 1 MB NPU
decoder VOICE_AI float Qualcomm® SA8775P 3.487 ms 0 - 10 MB NPU
decoder VOICE_AI float Qualcomm® SA8650P 3.487 ms 0 - 10 MB NPU
decoder VOICE_AI float Qualcomm® SA8255P 3.487 ms 0 - 10 MB NPU
decoder VOICE_AI float Qualcomm® QCS8450 4.355 ms 0 - 9 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 3.336 ms 2 - 4 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 3.06 ms 0 - 0 MB NPU
decoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 1.907 ms 0 - 13 MB NPU
decoder VOICE_AI float Qualcomm® SA7255P 8.07 ms 0 - 9 MB NPU
decoder VOICE_AI float Snapdragon® 8 Elite Mobile 1.907 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 19.269 ms 0 - 0 MB NPU
encoder VOICE_AI float Snapdragon® X Elite 29.307 ms 0 - 0 MB NPU
encoder VOICE_AI float Snapdragon® 8 Gen 3 Mobile 23.08 ms 0 - 8 MB NPU
encoder VOICE_AI float Snapdragon® 8 Gen 1 Mobile 37.891 ms 0 - 10 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 47.392 ms 0 - 10 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 31.584 ms 0 - 2 MB NPU
encoder VOICE_AI float Qualcomm® SA8775P 32.898 ms 0 - 10 MB NPU
encoder VOICE_AI float Qualcomm® SA8650P 32.898 ms 0 - 10 MB NPU
encoder VOICE_AI float Qualcomm® SA8255P 32.898 ms 0 - 10 MB NPU
encoder VOICE_AI float Qualcomm® QCS8450 37.891 ms 0 - 10 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 32.346 ms 0 - 3 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 29.307 ms 0 - 0 MB NPU
encoder VOICE_AI float Qualcomm® Dragonwing™ Q-8750 19.299 ms 0 - 13 MB NPU
encoder VOICE_AI float Qualcomm® SA7255P 47.392 ms 0 - 10 MB NPU
encoder VOICE_AI float Snapdragon® 8 Elite Mobile 19.299 ms 0 - 13 MB NPU
encoder VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 17.08 ms 0 - 9 MB NPU
flow VOICE_AI float Snapdragon® X2 Elite 9.65 ms 4 - 4 MB NPU
flow VOICE_AI float Snapdragon® X Elite 16.128 ms 4 - 4 MB NPU
flow VOICE_AI float Snapdragon® 8 Gen 3 Mobile 11.072 ms 4 - 12 MB NPU
flow VOICE_AI float Snapdragon® 8 Gen 1 Mobile 18.066 ms 4 - 14 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 40.004 ms 1 - 10 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 15.137 ms 4 - 5 MB NPU
flow VOICE_AI float Qualcomm® SA8775P 17.301 ms 1 - 11 MB NPU
flow VOICE_AI float Qualcomm® SA8650P 17.301 ms 1 - 11 MB NPU
flow VOICE_AI float Qualcomm® SA8255P 17.301 ms 1 - 11 MB NPU
flow VOICE_AI float Qualcomm® QCS8450 18.066 ms 4 - 14 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 19.878 ms 4 - 10 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 16.128 ms 4 - 4 MB NPU
flow VOICE_AI float Qualcomm® Dragonwing™ Q-8750 8.847 ms 1 - 14 MB NPU
flow VOICE_AI float Qualcomm® SA7255P 40.004 ms 1 - 10 MB NPU
flow VOICE_AI float Snapdragon® 8 Elite Mobile 8.847 ms 1 - 14 MB NPU
flow VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 8.94 ms 1 - 9 MB NPU
sdp VOICE_AI float Snapdragon® X2 Elite 7.1 ms 0 - 0 MB NPU
sdp VOICE_AI float Snapdragon® X Elite 11.226 ms 0 - 0 MB NPU
sdp VOICE_AI float Snapdragon® 8 Gen 3 Mobile 7.664 ms 0 - 8 MB NPU
sdp VOICE_AI float Snapdragon® 8 Gen 1 Mobile 11.199 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ IQ-8275 20.597 ms 0 - 9 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ QCS8550 (Proxy) 10.43 ms 0 - 2 MB NPU
sdp VOICE_AI float Qualcomm® SA8775P 11.114 ms 2 - 8 MB NPU
sdp VOICE_AI float Qualcomm® SA8650P 11.114 ms 2 - 8 MB NPU
sdp VOICE_AI float Qualcomm® SA8255P 11.114 ms 2 - 8 MB NPU
sdp VOICE_AI float Qualcomm® QCS8450 11.199 ms 0 - 10 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ IQ-9075 10.98 ms 0 - 2 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ IQ-X7181 11.226 ms 0 - 0 MB NPU
sdp VOICE_AI float Qualcomm® Dragonwing™ Q-8750 6.956 ms 0 - 15 MB NPU
sdp VOICE_AI float Qualcomm® SA7255P 20.597 ms 0 - 9 MB NPU
sdp VOICE_AI float Snapdragon® 8 Elite Mobile 6.956 ms 0 - 15 MB NPU
sdp VOICE_AI float Snapdragon® 8 Elite Gen 5 Mobile 6.613 ms 0 - 13 MB NPU

License

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

References

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