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MeloTTS-ES

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

MeloTTS-ES: Optimized for Qualcomm Devices

MeloTTS is a high-quality multi-lingual text-to-speech library for English, Chinese and Spanish language.

This is based on the implementation of MeloTTS-ES 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 mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile QAIRT 2.45 Download
VOICE_AI mixed_with_float Snapdragon® X2 Elite QAIRT 2.45 Download
VOICE_AI mixed_with_float Snapdragon® X Elite QAIRT 2.45 Download
VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile QAIRT 2.45 Download
VOICE_AI mixed_with_float Qualcomm® QCS8550 (Proxy) QAIRT 2.45 Download
VOICE_AI mixed_with_float Qualcomm® SA8775P QAIRT 2.45 Download
VOICE_AI mixed_with_float Snapdragon® 8 Elite For Galaxy Mobile QAIRT 2.45 Download
VOICE_AI mixed_with_float Qualcomm® SA7255P QAIRT 2.45 Download
VOICE_AI mixed_with_float Qualcomm® SA8295P QAIRT 2.45 Download
VOICE_AI mixed_with_float Qualcomm® QCS9075 QAIRT 2.45 Download
VOICE_AI mixed_with_float Qualcomm® QCS8450 (Proxy) QAIRT 2.45 Download

For more device-specific assets and performance metrics, visit MeloTTS-ES 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 MeloTTS-ES on GitHub for usage instructions.

Model Details

Model Type: Model_use_case.audio_generation

Model Stats:

  • Model checkpoint: myshell-ai/MeloTTS-Spanish
  • Max decoded sequence length: 512 tokens
  • Number of parameters (encoder): 8.36M
  • Model size (encoder) (float): 32.0 MB
  • Number of parameters (flow): 20.1M
  • Model size (flow) (float): 76.9 MB
  • Number of parameters (decoder): 14.5M
  • Model size (decoder) (float): 55.5 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
decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 42.603 ms 0 - 10 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 48.586 ms 0 - 13 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® X2 Elite 40.654 ms 0 - 0 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® X Elite 82.816 ms 0 - 0 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® X Elite 82.816 ms 0 - 0 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 60.876 ms 0 - 8 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® QCS8550 (Proxy) 86.75 ms 0 - 2 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® SA8775P 83.781 ms 0 - 9 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® SA8775P 83.781 ms 0 - 9 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® SA8775P 83.781 ms 0 - 9 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® QCS9075 83.408 ms 0 - 2 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite For Galaxy Mobile 48.586 ms 0 - 13 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® QCS8450 (Proxy) 114.462 ms 0 - 9 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® SA7255P 134.742 ms 0 - 9 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® SA8295P 100.099 ms 0 - 6 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 24.134 ms 4 - 13 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 25.391 ms 2 - 15 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® X2 Elite 25.449 ms 4 - 4 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® X Elite 40.279 ms 4 - 4 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® X Elite 40.279 ms 4 - 4 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 30.051 ms 4 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® QCS8550 (Proxy) 43.039 ms 4 - 6 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® SA8775P 43.325 ms 2 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® SA8775P 43.325 ms 2 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® SA8775P 43.325 ms 2 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® QCS9075 43.361 ms 6 - 11 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite For Galaxy Mobile 25.391 ms 2 - 15 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® QCS8450 (Proxy) 48.912 ms 4 - 12 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® SA7255P 66.486 ms 2 - 10 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® SA8295P 48.341 ms 2 - 7 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 62.657 ms 2 - 11 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 79.301 ms 2 - 15 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® X2 Elite 61.87 ms 2 - 2 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® X Elite 122.749 ms 2 - 2 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® X Elite 122.749 ms 2 - 2 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 90.442 ms 2 - 10 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® QCS8550 (Proxy) 122.986 ms 2 - 4 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® SA8775P 121.143 ms 2 - 11 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® SA8775P 121.143 ms 2 - 11 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® SA8775P 121.143 ms 2 - 11 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® QCS9075 120.476 ms 1 - 5 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® 8 Elite For Galaxy Mobile 79.301 ms 2 - 15 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® QCS8450 (Proxy) 210.951 ms 2 - 10 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® SA7255P 234.836 ms 2 - 11 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® SA8295P 150.58 ms 0 - 5 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 0.278 ms 0 - 11 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 0.272 ms 0 - 13 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® X2 Elite 0.345 ms 1 - 1 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® X Elite 0.432 ms 1 - 1 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® X Elite 0.432 ms 1 - 1 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 0.314 ms 0 - 7 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® QCS8550 (Proxy) 0.4 ms 1 - 3 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® SA8775P 0.657 ms 0 - 10 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® SA8775P 0.657 ms 0 - 10 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® SA8775P 0.657 ms 0 - 10 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® QCS9075 0.512 ms 3 - 5 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite For Galaxy Mobile 0.272 ms 0 - 13 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® QCS8450 (Proxy) 0.576 ms 1 - 9 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® SA7255P 0.973 ms 0 - 8 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® SA8295P 0.811 ms 0 - 5 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 0.484 ms 0 - 9 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 0.526 ms 0 - 13 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® X2 Elite 0.655 ms 0 - 0 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® X Elite 1.077 ms 0 - 0 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® X Elite 1.077 ms 0 - 0 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 0.634 ms 0 - 8 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® QCS8550 (Proxy) 0.901 ms 0 - 2 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® SA8775P 1.255 ms 0 - 10 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® SA8775P 1.255 ms 0 - 10 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® SA8775P 1.255 ms 0 - 10 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® QCS9075 1.135 ms 0 - 2 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite For Galaxy Mobile 0.526 ms 0 - 13 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® QCS8450 (Proxy) 1.348 ms 0 - 9 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® SA7255P 2.822 ms 0 - 9 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® SA8295P 1.727 ms 0 - 6 MB NPU

License

  • The license for the original implementation of MeloTTS-ES can be found here.

References

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