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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.

Deploying MeloTTS-ES on-device

This model is compatible with the Qualcomm Voice AI SDK. Download the SDK from the Qualcomm Package Manager to deploy this model on-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® 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® Dragonwing™ IQ-8275 QAIRT 2.45 Download
VOICE_AI mixed_with_float Qualcomm® Dragonwing™ QCS8550 (Proxy) QAIRT 2.45 Download
VOICE_AI mixed_with_float Qualcomm® SA8775P QAIRT 2.45 Download
VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-9075 QAIRT 2.45 Download
VOICE_AI mixed_with_float Qualcomm® SA7255P QAIRT 2.45 Download
VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile QAIRT 2.45 Download
VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 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:

  • Max decoded sequence length: 512 tokens
  • Model checkpoint: myshell-ai/MeloTTS-Spanish
  • Model size (decoder) (float): 55.5 MB
  • Model size (encoder) (float): 32.0 MB
  • Model size (flow) (float): 76.9 MB
  • Model size (t5_decoder) (float): 21.8 MB
  • Model size (t5_encoder) (float): 57.5 MB
  • Number of parameters (decoder): 14.5M
  • Number of parameters (encoder): 8.36M
  • Number of parameters (flow): 20.1M
  • 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
decoder VOICE_AI mixed_with_float Snapdragon® X2 Elite 40.808 ms 1 - 1 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® X Elite 82.732 ms 1 - 1 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 60.733 ms 0 - 7 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-8275 74.265 ms 0 - 2 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-8275 134.673 ms 0 - 10 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ QCS8550 (Proxy) 85.978 ms 0 - 2 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® SA8775P 83.846 ms 0 - 10 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® SA8650P 83.846 ms 0 - 10 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® SA8255P 83.846 ms 0 - 10 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-9075 82.78 ms 0 - 2 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-X7181 82.732 ms 1 - 1 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ Q-8750 48.338 ms 0 - 13 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® SA7255P 134.673 ms 0 - 10 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 48.338 ms 0 - 13 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 42.495 ms 0 - 10 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® X2 Elite 24.866 ms 4 - 4 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® X Elite 40.589 ms 4 - 4 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 30.505 ms 4 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-8275 39.107 ms 4 - 10 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-8275 66.642 ms 2 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ QCS8550 (Proxy) 41.735 ms 4 - 5 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® SA8775P 43.376 ms 2 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® SA8650P 43.376 ms 2 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® SA8255P 43.376 ms 2 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-9075 42.814 ms 4 - 9 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-X7181 40.589 ms 4 - 4 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ Q-8750 25.272 ms 2 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® SA7255P 66.642 ms 2 - 11 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 25.272 ms 2 - 11 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 23.828 ms 2 - 10 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® X2 Elite 67.288 ms 2 - 2 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® X Elite 128.874 ms 2 - 2 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 99.477 ms 4 - 12 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-8275 122.33 ms 2 - 6 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-8275 245.537 ms 2 - 11 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® Dragonwing™ QCS8550 (Proxy) 130.928 ms 3 - 4 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® SA8775P 128.72 ms 2 - 12 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® SA8650P 128.72 ms 2 - 12 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® SA8255P 128.72 ms 2 - 12 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-9075 155.149 ms 1 - 5 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-X7181 128.874 ms 2 - 2 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® Dragonwing™ Q-8750 81.965 ms 2 - 15 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® SA7255P 245.537 ms 2 - 11 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 81.965 ms 2 - 15 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 71.031 ms 2 - 11 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® X2 Elite 0.339 ms 1 - 1 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® X Elite 0.416 ms 1 - 1 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 0.316 ms 0 - 8 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-8275 0.573 ms 1 - 3 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-8275 0.992 ms 0 - 9 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.395 ms 0 - 2 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® SA8775P 0.651 ms 0 - 10 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® SA8650P 0.651 ms 0 - 10 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® SA8255P 0.651 ms 0 - 10 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-9075 0.512 ms 3 - 5 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-X7181 0.416 ms 1 - 1 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ Q-8750 0.279 ms 0 - 13 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® SA7255P 0.992 ms 0 - 9 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 0.279 ms 0 - 13 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 0.287 ms 0 - 11 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® X2 Elite 0.64 ms 0 - 0 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® X Elite 1.05 ms 0 - 0 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 0.632 ms 0 - 7 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-8275 1.089 ms 0 - 2 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-8275 2.839 ms 0 - 9 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.904 ms 0 - 1 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® SA8775P 1.265 ms 0 - 10 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® SA8650P 1.265 ms 0 - 10 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® SA8255P 1.265 ms 0 - 10 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-9075 1.142 ms 0 - 2 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-X7181 1.05 ms 0 - 0 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ Q-8750 0.525 ms 0 - 13 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® SA7255P 2.839 ms 0 - 9 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 0.525 ms 0 - 13 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 0.489 ms 0 - 8 MB NPU

License

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

References

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