EdiTTS: Score-based Editing for Controllable Text-to-Speech

Overview

EdiTTS: Score-based Editing for Controllable Text-to-Speech

Official implementation of EdiTTS: Score-based Editing for Controllable Text-to-Speech. Audio samples are available on our demo page.

Abstract

We present EdiTTS, an off-the-shelf speech editing methodology based on score-based generative modeling for text-to-speech synthesis. EdiTTS allows for targeted, granular editing of audio, both in terms of content and pitch, without the need for any additional training, task-specific optimization, or architectural modifications to the score-based model backbone. Specifically, we apply coarse yet deliberate perturbations in the Gaussian prior space to induce desired behavior from the diffusion model, while applying masks and softening kernels to ensure that iterative edits are applied only to the target region. Listening tests demonstrate that EdiTTS is capable of reliably generating natural-sounding audio that satisfies user-imposed requirements.

Citation

Please cite this work as follows.

@misc{tae&kim2021editts,
      title={EdiTTS: Score-based Editing for Controllable Text-to-Speech}, 
      author={Jaesung Tae and Hyeongju Kim and Taesu Kim},
      year={2021}
}

Setup

  1. Create a Python virtual environment (venv or conda) and install package requirements as specified in requirements.txt.

    python -m venv venv
    source venv/bin/activate
    pip install -U pip
    pip install -r requirements.txt
  2. Build the monotonic alignment module.

    cd model/monotonic_align
    python setup.py build_ext --inplace

For more information, refer to the official repository of Grad-TTS.

Checkpoints

The following checkpoints are already included as part of this repository, under checkpts.

Pitch Shifting

  1. Prepare an input file containing samples for speech generation. Mark the segment to be edited via a vertical bar separator, |. For instance, a single sample might look like

    In | the face of impediments confessedly discouraging |

    We provide a sample input file in resources/filelists/edit_pitch_example.txt.

  2. To run inference, type

    CUDA_VISIBLE_DEVICES=0 python edit_pitch.py \
        -f resources/filelists/edit_pitch_example.txt \
        -c checkpts/grad-tts-old.pt -t 1000 \
        -s out/pitch/wavs

    Adjust CUDA_VISIBLE_DEVICES as appropriate.

Content Replacement

  1. Prepare an input file containing pairs of sentences. Concatenate each pair with # and mark the parts to be replaced with a vertical bar separator. For instance, a single pair might look like

    Three others subsequently | identified | Oswald from a photograph. #Three others subsequently | recognized | Oswald from a photograph.

    We provide a sample input file in resources/filelists/edit_content_example.txt.

  2. To run inference, type

    CUDA_VISIBLE_DEVICES=0 python edit_content.py \
        -f resources/filelists/edit_content_example.txt \
        -c checkpts/grad-tts-old.pt -t 1000 \
        -s out/content/wavs

References

License

Released under the modified GNU General Public License.

Owner
Neosapience
Neosapience, an artificial being enabled by artificial intelligence, will soon be everywhere in our daily lives.
Neosapience
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