no code implementations • 14 Sep 2023 • Simon Welker, Tal Peer, Henry N. Chapman, Timo Gerkmann
In this work, we demonstrate that the ptychographic phase problem can be solved in a live fashion during scanning, while data is still being collected.
no code implementations • 13 Sep 2023 • Tal Peer, Simon Welker, Johannes Kolhoff, Timo Gerkmann
Several recent contributions in the field of iterative STFT phase retrieval have demonstrated that the performance of the classical Griffin-Lim method can be considerably improved upon.
no code implementations • 5 Jun 2023 • Danilo de Oliveira, Julius Richter, Jean-Marie Lemercier, Tal Peer, Timo Gerkmann
Since its inception, the field of deep speech enhancement has been dominated by predictive (discriminative) approaches, such as spectral mapping or masking.
no code implementations • 15 Mar 2023 • Julius Richter, Simon Welker, Jean-Marie Lemercier, Bunlong Lay, Tal Peer, Timo Gerkmann
In this paper, we present a causal speech signal improvement system that is designed to handle different types of distortions.
no code implementations • 8 Nov 2022 • Tal Peer, Simon Welker, Timo Gerkmann
Diffusion probabilistic models have been recently used in a variety of tasks, including speech enhancement and synthesis.
no code implementations • 23 Jun 2022 • Danilo de Oliveira, Tal Peer, Timo Gerkmann
The SepFormer architecture shows very good results in speech separation.
no code implementations • 11 May 2022 • Tal Peer, Simon Welker, Timo Gerkmann
Phase retrieval is a problem encountered not only in speech and audio processing, but in many other fields such as optics.
no code implementations • 30 Mar 2022 • Tal Peer, Timo Gerkmann
Algorithmic latency in speech processing is dominated by the frame length used for Fourier analysis, which in turn limits the achievable performance of magnitude-centric approaches.
no code implementations • 4 Mar 2022 • Huajian Fang, Tal Peer, Stefan Wermter, Timo Gerkmann
Speech enhancement in the time-frequency domain is often performed by estimating a multiplicative mask to extract clean speech.
no code implementations • 17 Feb 2022 • Simon Welker, Tal Peer, Henry N. Chapman, Timo Gerkmann
One of the most prominent challenges in the field of diffractive imaging is the phase retrieval (PR) problem: In order to reconstruct an object from its diffraction pattern, the inverse Fourier transform must be computed.