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ResearchOfficialPreprintarXiv Audio and Speech Processing

Efficient Text-to-Audio Generation via Pruning

Jul 16, 2026

Researchers have applied model pruning to AudioLDM, a diffusion-based text-to-audio model, reducing up to 83% of parameters and 39% of operations in its U-Net backbone while maintaining or even improving generation quality. The study found that pruning initially degrades the model's ability to generate certain sounds, including safety-critical events like gunshots and sirens, but lightweight finetuning can mostly recover this performance.

Why it matters: This work shows that large text-to-audio models can be substantially compressed for more efficient deployment without sacrificing quality, though care is needed to preserve performance on critical sound events.

Full story at: arXiv Audio and Speech Processing