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MeloTTS-ES

Text-to-Audio
PyTorch
real_time
android
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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 42.434 ms 0 - 10 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 48.468 ms 0 - 13 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® X2 Elite 40.948 ms 0 - 0 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® X Elite 82.799 ms 0 - 0 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® X Elite 82.799 ms 0 - 0 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 60.801 ms 0 - 8 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® QCS8275 (Proxy) 134.588 ms 0 - 8 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® QCS8550 (Proxy) 86.638 ms 0 - 2 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® SA8775P 83.788 ms 0 - 9 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® SA8775P 83.788 ms 0 - 9 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® SA8775P 83.788 ms 0 - 9 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® QCS9075 83.134 ms 0 - 2 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® QCS8450 (Proxy) 116.967 ms 1 - 9 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® SA7255P 134.588 ms 0 - 8 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® SA8295P 100.095 ms 0 - 6 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite For Galaxy Mobile 48.468 ms 0 - 13 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 23.797 ms 4 - 13 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 25.43 ms 2 - 15 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® X2 Elite 25.025 ms 4 - 4 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® X Elite 40.124 ms 4 - 4 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® X Elite 40.124 ms 4 - 4 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 29.935 ms 4 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® QCS8275 (Proxy) 66.62 ms 2 - 10 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® QCS8550 (Proxy) 41.759 ms 4 - 5 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® SA8775P 43.34 ms 2 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® SA8775P 43.34 ms 2 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® SA8775P 43.34 ms 2 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® QCS9075 43.19 ms 4 - 9 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® QCS8450 (Proxy) 48.616 ms 4 - 12 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® SA7255P 66.62 ms 2 - 10 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® SA8295P 48.061 ms 0 - 5 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite For Galaxy Mobile 25.43 ms 2 - 15 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 62.612 ms 2 - 11 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 79.106 ms 2 - 15 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® X2 Elite 62.005 ms 2 - 2 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® X Elite 122.683 ms 2 - 2 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® X Elite 122.683 ms 2 - 2 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 90.545 ms 2 - 9 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® QCS8275 (Proxy) 234.854 ms 2 - 11 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® QCS8550 (Proxy) 124.229 ms 2 - 4 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® SA8775P 120.948 ms 2 - 11 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® SA8775P 120.948 ms 2 - 11 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® SA8775P 120.948 ms 2 - 11 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® QCS9075 120.415 ms 2 - 6 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® QCS8450 (Proxy) 207.236 ms 3 - 12 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® SA7255P 234.854 ms 2 - 11 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® SA8295P 150.554 ms 2 - 7 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® 8 Elite For Galaxy Mobile 79.106 ms 2 - 15 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 0.258 ms 0 - 9 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 0.267 ms 0 - 13 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® X2 Elite 0.307 ms 1 - 1 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® X Elite 0.463 ms 1 - 1 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® X Elite 0.463 ms 1 - 1 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 0.302 ms 0 - 7 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® QCS8275 (Proxy) 1.004 ms 0 - 9 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® QCS8550 (Proxy) 0.402 ms 1 - 2 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® SA8775P 0.652 ms 0 - 9 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® SA8775P 0.652 ms 0 - 9 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® SA8775P 0.652 ms 0 - 9 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® QCS9075 0.518 ms 1 - 3 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® QCS8450 (Proxy) 0.58 ms 1 - 9 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® SA7255P 1.004 ms 0 - 9 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® SA8295P 0.816 ms 0 - 6 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite For Galaxy Mobile 0.267 ms 0 - 13 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 0.485 ms 0 - 10 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 0.523 ms 0 - 13 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® X2 Elite 0.653 ms 0 - 0 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® X Elite 1.059 ms 0 - 0 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® X Elite 1.059 ms 0 - 0 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 0.634 ms 0 - 7 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® QCS8275 (Proxy) 2.775 ms 0 - 9 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® QCS8550 (Proxy) 0.889 ms 0 - 1 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® SA8775P 1.263 ms 0 - 9 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® SA8775P 1.263 ms 0 - 9 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® SA8775P 1.263 ms 0 - 9 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® QCS9075 1.117 ms 0 - 2 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® QCS8450 (Proxy) 1.35 ms 0 - 9 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® SA7255P 2.775 ms 0 - 9 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® SA8295P 1.751 ms 0 - 6 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite For Galaxy Mobile 0.523 ms 0 - 13 MB NPU

License

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

References

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