Julius Richter, MSc

Research interests

Publications

1. Julius Richter, Danilo de Oliveira, Timo Gerkmann, "Investigating Training Objectives for Generative Speech Enhancement," accepted at IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2025. [arxiv] [audio] [code]
2. Jean-Marie Lemercier, Julius Richter, Simon Welker, Eloi Moliner, Vesa Välimäki, Timo Gerkmann, "Diffusion Models for Audio Restoration," IEEE Signal Processing Magazine, vol. 41, no. 6, pp. 72-84, Nov. 2024. [doi] [arxiv]
3. Julius Richter, Timo Gerkmann, "Diffusion-based Speech Enhancement: Demonstration of Performance and Generalization," Audio Imagination NeurIPS 2024 Workshop, Vancouver, Canada, Dec. 2024. [openreview] [video]
4. Julius Richter, Yi-Chiao Wu, Steven Krenn, Simon Welker, Bunlong Lay, Shinji Watanabe, Alexander Richard, Timo Gerkmann, "EARS: An Anechoic Fullband Speech Dataset Benchmarked for Speech Enhancement and Dereverberation," ISCA Interspeech, Kos, Greece, Sep. 2024. [doi] [arxiv] [audio] [code]
5. Julius Richter, Simon Welker, Jean-Marie Lemercier, Bunlong Lay, Tal Peer, Timo Gerkmann, "Causal Diffusion Models for Generalized Speech Enhancement," IEEE Open Journal of Signal Processing, vol. 5, pp 780-789, 2024. [doi] [audio]
6. Bunlong Lay, Jean-Marie Lemercier, Julius Richter, Timo Gerkmann, "Single and Few-step Diffusion for Generative Speech Enhancement," IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Seoul, South Korea, Apr. 2024. [doi] [arxiv] [audio] [code]
7. Julius Richter, Simone Frintrop, Timo Gerkmann, "Audio-Visual Speech Enhancement with Score-Based Generative Models," ITG Conference on Speech Communication, Aachen, Germany, Sept. 2023. [doi] [arxiv] [audio]
8. Danilo de Oliveira, Julius Richter, Jean-Marie Lemercier, Tal Peer, Timo Gerkmann, "On the Behavior of Intrusive and Non-intrusive Speech Enhancement Metrics in Predictive and Generative Settings," ITG Conference on Speech Communication, Aachen, Germany, Sept. 2023. [doi] [arxiv]
9. Bunlong Lay, Simon Welker, Julius Richter, Timo Gerkmann "Reducing the Prior Mismatch of Stochastic Differential Equations for Diffusion-based Speech Enhancement", ISCA Interspeech, Dublin, Ireland, Aug. 2023. [doi] [arxiv] [audio] [code]
10. Hector Martel, Julius Richter, Kai Li, Xiaolin Hu, Timo Gerkmann, "Audio-Visual Speech Separation in Noisy Environments with a Lightweight Iterative Model," ISCA Interspeech, Dublin, Ireland, Aug. 2023. [doi] [arxiv] [code]
11. Julius Richter, Simon Welker, Jean-Marie Lemercier, Bunlong Lay, Tal Peer, Timo Gerkmann, "Speech Signal Improvement Using Causal Generative Diffusion Models," IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Rhodes, Greece, Jun. 2023. [doi] [arxiv] [audio]
12. Jean-Marie Lemercier, Julius Richter, Simon Welker, Timo Gerkmann, "Analysing Diffusion-based Generative Approaches versus Discriminative Approaches for Speech Restoration," IEEE Int. Conf. Acoust., Speech, Signal Process. (ICASSP), Rhodes, Greece, Jun. 2023. [doi] [arxiv]
13. Jean-Marie Lemercier, Julius Richter, Simon Welker, Timo Gerkmann, "StoRM: A Diffusion-based Stochastic Regeneration Model for Speech Enhancement and Dereverberation," IEEE/ACM Transactions on Audio, Speech, Language Processing, vol. 31, pp. 2724 -2737, 2023. [doi] [arxiv] [audio] [code]
14. Julius Richter, Simon Welker, Jean-Marie Lemercier, Bunlong Lay, Timo Gerkmann, "Speech Enhancement and Dereverberation with Diffusion-Based Generative Models," IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol. 31, pp. 2351 - 2364, 2023. [doi] [arxiv] [audio] [code]
15. Simon Welker, Julius Richter, Timo Gerkmann, "Speech Enhancement with Score-Based Generative Models in the Complex STFT Domain," ISCA Interspeech, Incheon, Korea, Sep. 2022. [doi] [arxiv] [audio] [code]
16. Julius Richter, Jeanine Liebold, Timo Gerkmann, "Continuous Phoneme Recognition based on Audio-Visual Modality Fusion," IEEE World Congress on Computational Intelligence, Padua, Italy, Jul. 2022. [doi] [code]
17. Guillaume Carbajal, Julius Richter, Timo Gerkmann, "Disentanglement Learning for Variational Autoencoders Applied to Audio-Visual Speech Enhancement," IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA), New Paltz, NY, USA, Oct. 2021. [doi] [arxiv]
18. Guillaume Carbajal, Julius Richter, Timo Gerkmann, "Guided Variational Autoencoder for Speech Enhancement With a Supervised Classifier," IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Toronto, Ontario, Canada, Jun. 2021. [doi] [arxiv]
19. Julius Richter, Guillaume Carbajal, Timo Gerkmann, "Speech Enhancement with Stochastic Temporal Convolutional Networks," ISCA Interspeech, Shanghai, China, Oct. 2020. [doi] [audio]
20. Quan Nguyen, Julius Richter, Mikko Lauri, Timo Gerkmann, Simone Frintrop, "Improving mix-and-separate training in audio-visual sound source separation with an object prior," ICPR 2020. [doi]