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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™ 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:

  • 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® X2 Elite 40.433 ms 1 - 1 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® X Elite 82.854 ms 1 - 1 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 61.342 ms 2 - 10 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ QCS8275 134.511 ms 0 - 10 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ QCS8550 (Proxy) 87.054 ms 0 - 2 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® SA8775P 83.836 ms 0 - 10 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® SA8650P 83.836 ms 0 - 10 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® SA8255P 83.836 ms 0 - 10 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-9075 82.823 ms 0 - 2 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-X7181 82.854 ms 1 - 1 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ Q-8750 47.783 ms 0 - 9 MB NPU
decoder VOICE_AI mixed_with_float Qualcomm® SA7255P 134.511 ms 0 - 10 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 47.783 ms 0 - 9 MB NPU
decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 42.492 ms 0 - 10 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® X2 Elite 25.349 ms 4 - 4 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® X Elite 40.413 ms 4 - 4 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 30.171 ms 4 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ QCS8275 66.455 ms 2 - 9 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ QCS8550 (Proxy) 40.655 ms 4 - 6 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® SA8775P 43.291 ms 2 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® SA8650P 43.291 ms 2 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® SA8255P 43.291 ms 2 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-9075 42.7 ms 4 - 9 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-X7181 40.413 ms 4 - 4 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ Q-8750 25.33 ms 2 - 11 MB NPU
encoder VOICE_AI mixed_with_float Qualcomm® SA7255P 66.455 ms 2 - 9 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 25.33 ms 2 - 11 MB NPU
encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 23.829 ms 2 - 11 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® X2 Elite 67.04 ms 2 - 2 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® X Elite 129.299 ms 2 - 2 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 99.531 ms 4 - 12 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® Dragonwing™ QCS8275 245.4 ms 2 - 12 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® Dragonwing™ QCS8550 (Proxy) 131.195 ms 2 - 4 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® SA8775P 128.686 ms 2 - 12 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® SA8650P 128.686 ms 2 - 12 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® SA8255P 128.686 ms 2 - 12 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-9075 127.45 ms 4 - 8 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-X7181 129.299 ms 2 - 2 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® Dragonwing™ Q-8750 81.137 ms 2 - 12 MB NPU
flow VOICE_AI mixed_with_float Qualcomm® SA7255P 245.4 ms 2 - 12 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 81.137 ms 2 - 12 MB NPU
flow VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 71.07 ms 2 - 11 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® X2 Elite 0.308 ms 1 - 1 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® X Elite 0.414 ms 1 - 1 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® 8 Gen 3 Mobile 0.31 ms 0 - 8 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ QCS8275 1.006 ms 0 - 9 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.398 ms 0 - 2 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® SA8775P 0.66 ms 0 - 9 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® SA8650P 0.66 ms 0 - 9 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® SA8255P 0.66 ms 0 - 9 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-9075 0.517 ms 1 - 3 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-X7181 0.414 ms 1 - 1 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ Q-8750 0.271 ms 0 - 13 MB NPU
t5_decoder VOICE_AI mixed_with_float Qualcomm® SA7255P 1.006 ms 0 - 9 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 0.271 ms 0 - 13 MB NPU
t5_decoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 0.262 ms 0 - 10 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® X2 Elite 0.62 ms 0 - 0 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® X Elite 1.047 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® Dragonwing™ QCS8275 2.776 ms 0 - 8 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.906 ms 0 - 1 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® SA8775P 1.258 ms 0 - 10 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® SA8650P 1.258 ms 0 - 10 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® SA8255P 1.258 ms 0 - 10 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-9075 1.121 ms 2 - 4 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ IQ-X7181 1.047 ms 0 - 0 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® Dragonwing™ Q-8750 0.528 ms 0 - 13 MB NPU
t5_encoder VOICE_AI mixed_with_float Qualcomm® SA7255P 2.776 ms 0 - 8 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Mobile 0.528 ms 0 - 13 MB NPU
t5_encoder VOICE_AI mixed_with_float Snapdragon® 8 Elite Gen 5 Mobile 0.488 ms 0 - 9 MB NPU

License

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

References

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