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Related papers: Hallucination in Perceptual Metric-Driven Speech E…

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Plausible, but inaccurate, tokens in model-generated text are widely believed to be pervasive and problematic for the responsible adoption of language models. Despite this concern, there is little scientific work that attempts to measure…

Computation and Language · Computer Science 2025-11-06 Justin D. Norman , Michael U. Rivera , D. Alex Hughes

In real life, room effect, also known as room reverberation, and the present background noise degrade the quality of speech. Recently, deep learning-based speech enhancement approaches have shown a lot of promise and surpassed traditional…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-17 Jean-Marc Valin , Ritwik Giri , Shrikant Venkataramani , Umut Isik , Arvindh Krishnaswamy

Contemporary speech enhancement predominantly relies on audio transforms that are trained to reconstruct a clean speech waveform. The development of high-performing neural network sound recognition systems has raised the possibility of…

Audio and Speech Processing · Electrical Eng. & Systems 2025-11-18 Mark R. Saddler , Andrew Francl , Jenelle Feather , Kaizhi Qian , Yang Zhang , Josh H. McDermott

Concerns regarding the propensity of Large Language Models (LLMs) to produce inaccurate outputs, also known as hallucinations, have escalated. Detecting them is vital for ensuring the reliability of applications relying on LLM-generated…

Computation and Language · Computer Science 2024-05-31 Ernesto Quevedo , Jorge Yero , Rachel Koerner , Pablo Rivas , Tomas Cerny

Hallucinations remain a significant challenge in current Generative AI models, undermining trust in AI systems and their reliability. This study investigates how orchestrating multiple specialized Artificial Intelligent Agents can help…

Computation and Language · Computer Science 2025-01-27 Diego Gosmar , Deborah A. Dahl

Language model (LM)-based speech enhancement (SE) can generate natural-sounding speech, but under severe noise it often suffers from unreliable conditioning, leading to perceptually plausible yet linguistically incorrect outputs. To address…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-12 Zheng Wang , Xiaobin Rong , Hang Su , Tianyi Tan , Junnan Wu , Lichun Fan , Zhenbo Luo , Jian Luan , Jing Lu

The intelligibility and quality of speech from a mobile phone or public announcement system are often affected by background noise in the listening environment. By pre-processing the speech signal it is possible to improve the speech…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-21 Andreas Jonas Fuglsig , Jesper Jensen , Zheng-Hua Tan , Lars Søndergaard Bertelsen , Jens Christian Lindof , Jan Østergaard

Most neural network speech enhancement models ignore speech production mathematical models by directly mapping Fourier transform spectrums or waveforms. In this work, we propose a neural source filter network for speech enhancement.…

Sound · Computer Science 2022-10-31 Shulin He , Wei Rao , Jinjiang Liu , Jun Chen , Yukai Ju , Xueliang Zhang , Yannan Wang , Shidong Shang

The Transformer architecture has demonstrated a superior ability compared to recurrent neural networks in many different natural language processing applications. Therefore, our study applies a modified Transformer in a speech enhancement…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-04 Szu-Wei Fu , Chien-Feng Liao , Tsun-An Hsieh , Kuo-Hsuan Hung , Syu-Siang Wang , Cheng Yu , Heng-Cheng Kuo , Ryandhimas E. Zezario , You-Jin Li , Shang-Yi Chuang , Yen-Ju Lu , Yu Tsao

The evaluation of synthetic and processed speech has long been a cornerstone of audio engineering and speech science. Although subjective listening tests remain the gold standard for assessing perceptual quality and intelligibility, their…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-05 Yu Tsao

Speech emotion recognition is an important component of any human centered system. But speech characteristics produced and perceived by a person can be influenced by a multitude of reasons, both desirable such as emotion, and undesirable…

Sound · Computer Science 2023-09-04 Mimansa Jaiswal , Emily Mower Provost

Natural and artificial audition can in principle acquire different solutions to a given problem. The constraints of the task, however, can nudge the cognitive science and engineering of audition to qualitatively converge, suggesting that a…

Sound · Computer Science 2023-04-20 Federico Adolfi , Jeffrey S. Bowers , David Poeppel

Knowledge-grounded conversational models are known to suffer from producing factually invalid statements, a phenomenon commonly called hallucination. In this work, we investigate the underlying causes of this phenomenon: is hallucination…

Computation and Language · Computer Science 2022-04-19 Nouha Dziri , Sivan Milton , Mo Yu , Osmar Zaiane , Siva Reddy

Supervised masking approaches in the time-frequency domain aim to employ deep neural networks to estimate a multiplicative mask to extract clean speech. This leads to a single estimate for each input without any guarantees or measures of…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-16 Huajian Fang , Dennis Becker , Stefan Wermter , Timo Gerkmann

Quality and intelligibility of speech signals are degraded under additive background noise which is a critical problem for hearing aid and cochlear implant users. Motivated to address this problem, we propose a novel speech enhancement…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-06 Hamidreza Baradaran Kashani , Ata Jodeiri , Mohammad Mohsen Goodarzi , Iman Sarraf Rezaei

Large Language Models (LLMs) have transformed the Natural Language Processing (NLP) landscape with their remarkable ability to understand and generate human-like text. However, these models are prone to ``hallucinations'' -- outputs that do…

Generative speech enhancement has recently shown promising advancements in improving speech quality in noisy environments. Multiple diffusion-based frameworks exist, each employing distinct training objectives and learning techniques. This…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-22 Julius Richter , Danilo de Oliveira , Timo Gerkmann

Speech enhancement has recently achieved great success with various deep learning methods. However, most conventional speech enhancement systems are trained with supervised methods that impose two significant challenges. First, a majority…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-22 Viet Anh Trinh , Sebastian Braun

Dysfluencies and variations in speech pronunciation can severely degrade speech recognition performance, and for many individuals with moderate-to-severe speech disorders, voice operated systems do not work. Current speech recognition…

Generative artificial intelligence (AI) is conquering our lives at lightning speed. Large language models such as ChatGPT answer our questions or write texts for us, large computer vision models such as GAIA-1 generate videos on the basis…

Computation and Language · Computer Science 2026-01-13 Tim Fingscheidt , Patrick Blumenberg , Björn Möller
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