Audio-Agent: Leveraging LLMs For Audio Generation, Editing and Composition

• URL: http://arxiv.org/abs/2410.03335v1
• Date: Fri, 4 Oct 2024 11:40:53 GMT
• Title: Audio-Agent: Leveraging LLMs For Audio Generation, Editing and Composition
• Authors: Zixuan Wang, Yu-Wing Tai, Chi-Keung Tang,
• Abstract summary: We introduce Audio-Agent, a framework for audio generation, editing and composition based on text or video inputs. For video-to-audio (VTA) tasks, most existing methods require training a timestamp detector to synchronize video events with generated audio.
• Score: 72.22243595269389
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We introduce Audio-Agent, a multimodal framework for audio generation, editing and composition based on text or video inputs. Conventional approaches for text-to-audio (TTA) tasks often make single-pass inferences from text descriptions. While straightforward, this design struggles to produce high-quality audio when given complex text conditions. In our method, we utilize a pre-trained TTA diffusion network as the audio generation agent to work in tandem with GPT-4, which decomposes the text condition into atomic, specific instructions, and calls the agent for audio generation. Consequently, Audio-Agent generates high-quality audio that is closely aligned with the provided text or video while also supporting variable-length generation. For video-to-audio (VTA) tasks, most existing methods require training a timestamp detector to synchronize video events with generated audio, a process that can be tedious and time-consuming. We propose a simpler approach by fine-tuning a pre-trained Large Language Model (LLM), e.g., Gemma2-2B-it, to obtain both semantic and temporal conditions to bridge video and audio modality. Thus our framework provides a comprehensive solution for both TTA and VTA tasks without substantial computational overhead in training.

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