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Audio-visual speech enhancement aims to extract clean speech from a noisy environment by leveraging not only the audio itself but also the target speaker's lip movements. This approach has been shown to yield improvements over audio-only…

This paper addresses the challenge of speaker separation, which remains an active research topic despite the promising results achieved in recent years. These results, however, often degrade in real recording conditions due to the presence…

Sound · Computer Science 2024-11-14 Rawad Melhem , Assef Jafar , Oumayma Al Dakkak

The presence of non-speech segments in utterances often leads to the performance degradation of speaker verification. Existing systems usually use voice activation detection as a preprocessing step to cut off long silence segments. However,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-21 Zijun Huang , Chengdong Liang , Jiadi Yao , Xiao-Lei Zhang

Retrieval-Augmented Generation (RAG) systems leverage Large Language Models (LLMs) to generate accurate and reliable responses that are grounded in retrieved context. However, LLMs often generate inconsistent outputs for semantically…

Computation and Language · Computer Science 2025-10-17 Xujun Peng , Anoop Kumar , Jingyu Wu , Parker Glenn , Daben Liu

Deep learning based speech enhancement and source separation systems have recently reached unprecedented levels of quality, to the point that performance is reaching a new ceiling. Most systems rely on estimating the magnitude of a target…

Sound · Computer Science 2019-06-26 Jonathan Le Roux , Gordon Wichern , Shinji Watanabe , Andy Sarroff , John R. Hershey

Video-to-speech synthesis is the task of reconstructing the speech signal from a silent video of a speaker. Most established approaches to date involve a two-step process, whereby an intermediate representation from the video, such as a…

Sound · Computer Science 2024-10-28 Triantafyllos Kefalas , Yannis Panagakis , Maja Pantic

In this paper, we present ConvoGen: an innovative framework for generating synthetic conversational data using multi-agent systems. Our method leverages few-shot learning and introduces iterative sampling from a dynamically updated few-shot…

Computation and Language · Computer Science 2025-05-12 Reem Gody , Mahmoud Goudy , Ahmed Y. Tawfik

Learning a new language involves constantly comparing speech productions with reference productions from the environment. Early in speech acquisition, children make articulatory adjustments to match their caregivers' speech. Grownup…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-01 Talia Ben-Simon , Felix Kreuk , Faten Awwad , Jacob T. Cohen , Joseph Keshet

Generative adversarial network (GAN) still exists some problems in dealing with speech enhancement (SE) task. Some GAN-based systems adopt the same structure from Pixel-to-Pixel directly without special optimization. The importance of the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-09 Huixiang Huang , Renjie Wu , Jingbiao Huang , Jucai Lin , Jun Yin

In this paper, we describe a statistical parametric speech synthesis approach with unit-level acoustic representation. In conventional deep neural network based speech synthesis, the input text features are repeated for the entire duration…

Sound · Computer Science 2016-06-21 Sivanand Achanta , KNRK Raju Alluri , Suryakanth V Gangashetty

Speaking rate refers to the average number of phonemes within some unit time, while the rhythmic patterns refer to duration distributions for realizations of different phonemes within different phonetic structures. Both are key components…

Sound · Computer Science 2018-08-10 Cheng-chieh Yeh , Po-chun Hsu , Ju-chieh Chou , Hung-yi Lee , Lin-shan Lee

Text-based audio generation models have limitations as they cannot encompass all the information in audio, leading to restricted controllability when relying solely on text. To address this issue, we propose a novel model that enhances the…

Sound · Computer Science 2023-12-29 Zhifang Guo , Jianguo Mao , Rui Tao , Long Yan , Kazushige Ouchi , Hong Liu , Xiangdong Wang

We present a new method for separating a mixed audio sequence, in which multiple voices speak simultaneously. The new method employs gated neural networks that are trained to separate the voices at multiple processing steps, while…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-02 Eliya Nachmani , Yossi Adi , Lior Wolf

Speech synthesis is crucial for human-computer interaction, enabling natural and intuitive communication. However, existing datasets involve high construction costs due to manual annotation and suffer from limited character diversity,…

Computation and Language · Computer Science 2025-04-22 Xiang Li , Duyi Pan , Hongru Xiao , Jiale Han , Jing Tang , Jiabao Ma , Wei Wang , Bo Cheng

For the lack of adequate paired noisy-clean speech corpus in many real scenarios, non-parallel training is a promising task for DNN-based speech enhancement methods. However, because of the severe mismatch between input and target speeches,…

Sound · Computer Science 2022-02-15 Guochen Yu , Andong Li , Yutian Wang , Yinuo Guo , Hui Wang , Chengshi Zheng

Generative adversarial networks (GANs) have shown potential in learning emotional attributes and generating new data samples. However, their performance is usually hindered by the unavailability of larger speech emotion recognition (SER)…

Sound · Computer Science 2020-07-28 Siddique Latif , Muhammad Asim , Rajib Rana , Sara Khalifa , Raja Jurdak , Björn W. Schuller

Multimodality-to-Multiaudio (MM2MA) generation faces significant challenges in synthesizing diverse and contextually aligned audio types (e.g., sound effects, speech, music, and songs) from multimodal inputs (e.g., video, text, images),…

Sound · Computer Science 2025-08-06 Yan Rong , Jinting Wang , Guangzhi Lei , Shan Yang , Li Liu

Recent studies have shown that neural vocoders based on generative adversarial network (GAN) can generate audios with high quality. While GAN based neural vocoders have shown to be computationally much more efficient than those based on…

Sound · Computer Science 2021-06-28 Zhengxi Liu , Yanmin Qian

Virtual humans have gained considerable attention in numerous industries, e.g., entertainment and e-commerce. As a core technology, synthesizing photorealistic face frames from target speech and facial identity has been actively studied…

Current two-stage TTS framework typically integrates an acoustic model with a vocoder -- the acoustic model predicts a low resolution intermediate representation such as Mel-spectrum while the vocoder generates waveform from the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-23 Jian Cong , Shan Yang , Lei Xie , Dan Su