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Deep learning-based speech enhancement (SE) models have recently outperformed traditional techniques, yet their deployment on resource-constrained devices remains challenging due to high computational and memory demands. This paper…

Sound · Computer Science 2025-02-10 Xihao Yuan , Siqi Liu , Hanting Chen , Lu Zhou , Jian Li , Jie Hu

We introduce a state-of-the-art real-time, high-fidelity, audio codec leveraging neural networks. It consists in a streaming encoder-decoder architecture with quantized latent space trained in an end-to-end fashion. We simplify and speed-up…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-25 Alexandre Défossez , Jade Copet , Gabriel Synnaeve , Yossi Adi

Sequential models achieve state-of-the-art results in audio, visual and textual domains with respect to both estimating the data distribution and generating high-quality samples. Efficient sampling for this class of models has however…

Binaural audio plays a significant role in constructing immersive augmented and virtual realities. As it is expensive to record binaural audio from the real world, synthesizing them from mono audio has attracted increasing attention. This…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-30 Yichong Leng , Zehua Chen , Junliang Guo , Haohe Liu , Jiawei Chen , Xu Tan , Danilo Mandic , Lei He , Xiang-Yang Li , Tao Qin , Sheng Zhao , Tie-Yan Liu

Recent advances in diffusion models have positioned them as powerful generative frameworks for speech synthesis, demonstrating substantial improvements in audio quality and stability. Nevertheless, their effectiveness in vocoders…

Sound · Computer Science 2025-12-01 Teysir Baoueb , Xiaoyu Bie , Mathieu Fontaine , Gaël Richard

Frequency estimation from measurements corrupted by noise is a fundamental challenge across numerous engineering and scientific fields. Among the pivotal factors shaping the resolution capacity of any frequency estimation technique are…

Signal Processing · Electrical Eng. & Systems 2024-09-23 Sampath Kumar Dondapati , Omkar Nitsure , Satish Mulleti

In this paper, we propose a technique to alleviate the quality degradation caused by collapsed speech segments sometimes generated by the WaveNet vocoder. The effectiveness of the WaveNet vocoder for generating natural speech from acoustic…

Audio and Speech Processing · Electrical Eng. & Systems 2018-08-10 Yi-Chiao Wu , Kazuhiro Kobayashi , Tomoki Hayashi , Patrick Lumban Tobing , Tomoki Toda

Inspired by the success of deep neural networks (DNNs) in speech processing, this paper presents Deep Vocoder, a direct end-to-end low bit rate speech compression method with deep autoencoder (DAE). In Deep Vocoder, DAE is used for…

Multimedia · Computer Science 2019-05-15 Gang Min , Changqing Zhang , Xiongwei Zhang , Wei Tan

Diffusion Transformers achieve impressive generative quality but remain computationally expensive due to iterative sampling. Recently, dynamic resolution sampling has emerged as a promising acceleration technique by reducing the resolution…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Shikang Zheng , Guantao Chen , Lixuan He , Jiacheng Liu , Yuqi Lin , Chang Zou , Linfeng Zhang

Diffusion models provide a powerful generative prior for perceptual reconstruction at ultra-low bitrates, but effective video compression requires controlling the generative process using highly compact conditioning signals. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Amirhosein Javadi , Shirin Saeedi Bidokhti , Tara Javidi

Denoising Diffusion Probabilistic Models (DDPMs) are emerging in text-to-speech (TTS) synthesis because of their strong capability of generating high-fidelity samples. However, their iterative refinement process in high-dimensional data…

Audio and Speech Processing · Electrical Eng. & Systems 2023-01-02 Zehua Chen , Yihan Wu , Yichong Leng , Jiawei Chen , Haohe Liu , Xu Tan , Yang Cui , Ke Wang , Lei He , Sheng Zhao , Jiang Bian , Danilo Mandic

Communication efficiency is a widely recognised research problem in Federated Learning (FL), with recent work focused on developing techniques for efficient compression, distribution and aggregation of model parameters between clients and…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-09-10 Chamath Palihawadana , Nirmalie Wiratunga , Anjana Wijekoon , Harsha Kalutarage

The rapid advancement of generative models has led to the synthesis of real-fake ambiguous voices. To erase the ambiguity, embedding watermarks into the frequency-domain features of synthesized voices has become a common routine. However,…

Cryptography and Security · Computer Science 2025-06-24 Yue Li , Weizhi Liu , Dongdong Lin , Hui Tian , Hongxia Wang

Diffusion models exhibit impressive generative capabilities but are significantly impacted by exposure bias. In this paper, we make a key observation: the energy of predicted noisy samples in the reverse process continuously declines…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Meng Yu , Kun Zhan

Recently, BigVGAN has emerged as high-performance speech vocoder. Its sequence-to-sequence-based synthesis, however, prohibits usage in low-latency conversational applications. Our work addresses this shortcoming in three steps. First, we…

Audio and Speech Processing · Electrical Eng. & Systems 2024-08-27 Renzheng Shi , Andreas Bär , Marvin Sach , Wouter Tirry , Tim Fingscheidt

Properly setting up recording conditions, including microphone type and placement, room acoustics, and ambient noise, is essential to obtaining the desired acoustic characteristics of speech. In this paper, we propose Diff-R-EN-T, a…

Sound · Computer Science 2024-01-17 Jaekwon Im , Juhan Nam

Prompt learning has demonstrated promising results in fine-tuning pre-trained multimodal models. However, the performance improvement is limited when applied to more complex and fine-grained tasks. The reason is that most existing methods…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Weicai Yan , Wang Lin , Zirun Guo , Ye Wang , Fangming Feng , Xiaoda Yang , Zehan Wang , Tao Jin

Discrete diffusion models are a powerful class of generative models with strong performance across many domains. For efficiency, however, discrete diffusion typically parameterizes the generative (reverse) process with factorized…

Machine Learning · Statistics 2026-05-19 Grigory Bartosh , Teodora Pandeva , Sushrut Karmalkar , Javier Zazo

Diffusion transformers have demonstrated remarkable generation quality, albeit requiring longer training iterations and numerous inference steps. In each denoising step, diffusion transformers encode the noisy inputs to extract the…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Shuai Wang , Zhi Tian , Weilin Huang , Limin Wang

Autoregressive neural vocoders have achieved outstanding performance in speech synthesis tasks such as text-to-speech and voice conversion. An autoregressive vocoder predicts a sample at some time step conditioned on those at previous time…

Sound · Computer Science 2024-06-06 Po-chun Hsu , Da-rong Liu , Andy T. Liu , Hung-yi Lee