Tango 2: Aligning Diffusion-based Text-to-Audio Generations through
  Direct Preference Optimization
Generative multimodal content is increasingly prevalent in much of the
content creation arena, as it has the potential to allow artists and media
personnel to create pre-production mockups by quickly bringing their ideas to
life. The generation of audio from text prompts is an important aspect of such
processes in the music and film industry. Many of the recent diffusion-based
text-to-audio models focus on training increasingly sophisticated diffusion
models on a large set of datasets of prompt-audio pairs. These models do not
explicitly focus on the presence of concepts or events and their temporal
ordering in the output audio with respect to the input prompt. Our hypothesis
is focusing on how these aspects of audio generation could improve audio
generation performance in the presence of limited data. As such, in this work,
using an existing text-to-audio model Tango, we synthetically create a
preference dataset where each prompt has a winner audio output and some loser
audio outputs for the diffusion model to learn from. The loser outputs, in
theory, have some concepts from the prompt missing or in an incorrect order. We
fine-tune the publicly available Tango text-to-audio model using diffusion-DPO
(direct preference optimization) loss on our preference dataset and show that
it leads to improved audio output over Tango and AudioLDM2, in terms of both
automatic- and manual-evaluation metrics.
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Navonil Majumder
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2024-04-18T10:07:28.728Z
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Navonil Majumder
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Chia-Yu Hung
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2024-06-02T18:48:05.513Z
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Hung Chia Yu
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Deepanway Ghosal
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2024-04-16T23:16:51.115Z
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Deepanway
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Wei-Ning Hsu
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2024-04-18T10:07:41.126Z
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Wei-Ning Hsu
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Rada Mihalcea
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2024-04-18T10:07:46.862Z
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Rada Mihalcea
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mihalcea
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Soujanya Poria
claimed_verified
2024-04-16T12:44:26.953Z
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Soujanya Poria
user
soujanyaporia
Tango 2: Aligning Diffusion-based Text-to-Audio Generations through
  Direct Preference Optimization
Generative multimodal content is increasingly prevalent in much of the
content creation arena, as it has the potential to allow artists and media
personnel to create pre-production mockups by quickly bringing their ideas to
life. The generation of audio from text prompts is an important aspect of such
processes in the music and film industry. Many of the recent diffusion-based
text-to-audio models focus on training increasingly sophisticated diffusion
models on a large set of datasets of prompt-audio pairs. These models do not
explicitly focus on the presence of concepts or events and their temporal
ordering in the output audio with respect to the input prompt. Our hypothesis
is focusing on how these aspects of audio generation could improve audio
generation performance in the presence of limited data. As such, in this work,
using an existing text-to-audio model Tango, we synthetically create a
preference dataset where each prompt has a winner audio output and some loser
audio outputs for the diffusion model to learn from. The loser outputs, in
theory, have some concepts from the prompt missing or in an incorrect order. We
fine-tune the publicly available Tango text-to-audio model using diffusion-DPO
(direct preference optimization) loss on our preference dataset and show that
it leads to improved audio output over Tango and AudioLDM2, in terms of both
automatic- and manual-evaluation metrics.
Improving text-to-audio generation by fine-tuning the Tango model using diffusion-DPO on a preference dataset enhances audio quality in terms of automatic and manual evaluations.
diffusion models preference dataset text-to-audio models Tango diffusion-DPO direct preference optimization audio generation automatic-evaluation metrics manual-evaluation metrics AudioLDM2