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metadata
language:
  - en
  - hi
  - mr
  - bn
  - ta
  - te
  - as
  - pa
  - gu
pipeline_tag: text-to-speech
tags:
  - audio
  - text-to-speech

MahaTTS: An Open-Source Large Speech Generation Model in the making

a Dubverse Black initiative

Open In Colab Discord Shield

Description

MahaTTS, with Maha signifying 'Great' in Sanskrit, is a Text to Speech Model developed by Dubverse.ai. We drew inspiration from the tortoise-tts model, but our model uniquely utilizes seamless M4t wav2vec2 for semantic token extraction. As this specific variant of wav2vec2 is trained on multilingual data, it enhances our model's scalability across different languages.

We are providing access to pretrained model checkpoints, which are ready for inference and available for commercial use.

MahaTTS Architecture

Updates

2023-11-13

  • MahaTTS Released! Open sourced Smolie
  • Community and access to new features on our Discord

Features

  1. Multilinguality (coming soon)
  2. Realistic Prosody and intonation
  3. Multi-voice capabilities

Installation 

pip install git+https://github.com/dubverse-ai/MahaTTS.git

pip install maha-tts

api usage 

!gdown --folder 1-HEc3V4f6X93I8_IfqExLfL3s8I_dXGZ -q # download speakers ref files

import torch,glob
from maha_tts import load_models,infer_tts
from scipy.io.wavfile import write
from IPython.display import Audio,display

# PATH TO THE SPEAKERS WAV FILES
speaker =['/content/infer_ref_wavs/2272_152282_000019_000001/',
          '/content/infer_ref_wavs/2971_4275_000049_000000/',
          '/content/infer_ref_wavs/4807_26852_000062_000000/',
          '/content/infer_ref_wavs/6518_66470_000014_000002/']

device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
diff_model,ts_model,vocoder,diffuser = load_models('Smolie',device)
print('Using:',device)

speaker_num = 0 # @param ["0", "1", "2", "3"] {type:"raw"}
text = "I freakin love how Elon came to life the moment they started talking about gaming and specifically diablo, you can tell that he didn't want that part of the discussion to end, while Lex to move on to the next subject! Once a true gamer, always a true gamer!" # @param {type:"string"}

ref_clips = glob.glob(speaker[speaker_num]+'*.wav')
audio,sr = infer_tts(text,ref_clips,diffuser,diff_model,ts_model,vocoder)

write('/content/test.wav',sr,audio)

Roadmap

  • Smolie - eng (trained on 200 hours of LibriTTS)
  • Smolie - indic (Train on Indian languages, coming soon)
  • Optimizations for inference (looking for contributors, check issues)

Some Generated Samples

0 -> "I seriously laughed so much hahahaha (seals with headphones...) and appreciate both the interviewer and the subject. Major respect for two extraordinary humans - and in this time of gratefulness, I'm thankful for you both and this forum!"

1 -> "I freakin love how Elon came to life the moment they started talking about gaming and specifically diablo, you can tell that he didn't want that part of the discussion to end, while Lex to move on to the next subject! Once a true gamer, always a true gamer!"

2 -> "hello there! how are you?" (This one didn't work well, M1 model hallucinated)

3 -> "Who doesn't love a good scary story, something to send a chill across your skin in the middle of summer's heat or really, any other time? And this year, we're celebrating the two hundredth birthday of one of the most famous scary stories of all time: Frankenstein."

https://github.com/dubverse-ai/MahaTTS/assets/32906806/462ee134-5d8c-43c8-a425-3b6cabd2ff85

https://github.com/dubverse-ai/MahaTTS/assets/32906806/40c62402-7f65-4a35-b739-d8b8a082ad62

https://github.com/dubverse-ai/MahaTTS/assets/32906806/f0a9628c-ef81-450d-ab82-2f4c4626864e

https://github.com/dubverse-ai/MahaTTS/assets/32906806/15476151-72ea-410d-bcdc-177433df7884

Technical Details

Model Params

Model (Smolie) Parameters Model Type Output
Text to Semantic (M1) 69 M Causal LM 10,001 Tokens
Semantic to MelSpec(M2) 108 M Diffusion 2x 80x Melspec
Hifi Gan Vocoder 13 M GAN Audio Waveform

Languages Supported

Language Status
English (en) ✅

License

MahaTTS is licensed under the Apache 2.0 License.

🙏 Appreciation