Enhance audio generation controllability through representation similarity regularization

• URL: http://arxiv.org/abs/2309.08773v1
• Date: Fri, 15 Sep 2023 21:32:20 GMT
• Title: Enhance audio generation controllability through representation similarity regularization
• Authors: Yangyang Shi and Gael Le Lan and Varun Nagaraja and Zhaoheng Ni and Xinhao Mei and Ernie Chang and Forrest Iandola and Yang Liu and Vikas Chandra
• Abstract summary: We propose an innovative approach to enhance control over audio generation by emphasizing the alignment between audio and text representations during model training. Our proposed methods lead to improvements in objective metrics for both audio and music generation, as well as an enhancement in the human perception for audio generation.
• Score: 23.320569279485472
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This paper presents an innovative approach to enhance control over audio generation by emphasizing the alignment between audio and text representations during model training. In the context of language model-based audio generation, the model leverages input from both textual and audio token representations to predict subsequent audio tokens. However, the current configuration lacks explicit regularization to ensure the alignment between the chosen text representation and the language model's predictions. Our proposal involves the incorporation of audio and text representation regularization, particularly during the classifier-free guidance (CFG) phase, where the text condition is excluded from cross attention during language model training. The aim of this proposed representation regularization is to minimize discrepancies in audio and text similarity compared to other samples within the same training batch. Experimental results on both music and audio generation tasks demonstrate that our proposed methods lead to improvements in objective metrics for both audio and music generation, as well as an enhancement in the human perception for audio generation.

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