Plug-and-Play Audio Restoration with Diffusion Denoiser

There have been a plethora of methods developed to tackle diverse audio reconstruction problems. Recently, deep generative models have affected this field strongly, some of them allowing to solve multiple problems with only a minimal need for adaptation. However, long inference times still represent a barrier to their real-world deployment. We propose a plug-and-play approach to audio reconstruction enabling a shorter duration of signal generation. We present our approach on a number of inverse problems, all evaluated on a piano sound dataset. Subjectively, the proposed strategy performs competitively with recent methods, however, this is rarely reflected by objective metrics.