RobustL2S: Speaker-Specific Lip-to-Speech Synthesis exploiting Self-Supervised Representations

• URL: http://arxiv.org/abs/2307.01233v1
• Date: Mon, 3 Jul 2023 09:13:57 GMT
• Title: RobustL2S: Speaker-Specific Lip-to-Speech Synthesis exploiting Self-Supervised Representations
• Authors: Neha Sahipjohn, Neil Shah, Vishal Tambrahalli, Vineet Gandhi
• Abstract summary: We propose RobustL2S, a modularized framework for Lip-to-Speech synthesis. A non-autoregressive sequence-to-sequence model maps self-supervised visual features to a representation of disentangled speech content. A vocoder then converts the speech features into raw waveforms.
• Score: 13.995231731152462
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Significant progress has been made in speaker dependent Lip-to-Speech synthesis, which aims to generate speech from silent videos of talking faces. Current state-of-the-art approaches primarily employ non-autoregressive sequence-to-sequence architectures to directly predict mel-spectrograms or audio waveforms from lip representations. We hypothesize that the direct mel-prediction hampers training/model efficiency due to the entanglement of speech content with ambient information and speaker characteristics. To this end, we propose RobustL2S, a modularized framework for Lip-to-Speech synthesis. First, a non-autoregressive sequence-to-sequence model maps self-supervised visual features to a representation of disentangled speech content. A vocoder then converts the speech features into raw waveforms. Extensive evaluations confirm the effectiveness of our setup, achieving state-of-the-art performance on the unconstrained Lip2Wav dataset and the constrained GRID and TCD-TIMIT datasets. Speech samples from RobustL2S can be found at https://neha-sherin.github.io/RobustL2S/

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