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Related papers: DeCodec: Rethinking Audio Codecs as Universal Dise…

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Neural speech codecs have become the discrete interface between raw audio and speech language models, yet they remain optimized primarily for acoustic reconstruction fidelity, which leaves emotion-relevant cues vulnerable to being discarded…

Sound · Computer Science 2026-05-25 Zhaoyang Meng , Zhengyao Ma , Kecan Mao , Yingming Gao , Ya Li

Speech codecs serve as bridges between continuous speech signals and large language models, yet face an inherent conflict between acoustic fidelity and semantic preservation. To mitigate this conflict, prevailing methods augment acoustic…

Sound · Computer Science 2026-01-28 Xin Zhang , Lin Li , Xiangni Lu , Jianquan Liu , Kong Aik Lee

The recent advancement of end-to-end neural audio codecs enables compressing audio at very low bitrates while reconstructing the output audio with high fidelity. Nonetheless, such improvements often come at the cost of increased model…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-25 Sunghwan Ahn , Beom Jun Woo , Min Hyun Han , Chanyeong Moon , Nam Soo Kim

The increasing availability of multi-sensor data sparks wide interest in multimodal self-supervised learning. However, most existing approaches learn only common representations across modalities while ignoring intra-modal training and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Yi Wang , Conrad M Albrecht , Nassim Ait Ali Braham , Chenying Liu , Zhitong Xiong , Xiao Xiang Zhu

While humans can effortlessly transform complex visual scenes into simple words and the other way around by leveraging their high-level understanding of the content, conventional or the more recent learned image compression codecs do not…

Image and Video Processing · Electrical Eng. & Systems 2022-08-10 Shiyu Duan , Huaijin Chen , Jinwei Gu

Recently, a few open-vocabulary methods have been proposed by employing a unified architecture to tackle generic segmentation and detection tasks. However, their performance still lags behind the task-specific models due to the conflict…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Shuai Li , Minghan Li , Pengfei Wang , Lei Zhang

This paper introduces a novel audio-to-image encoding framework that integrates multiple dimensions of voice characteristics into a single RGB image for speaker recognition. In this method, the green channel encodes raw audio data, the red…

Sound · Computer Science 2025-03-11 Youness Atif

All previous methods for audio-driven talking head generation assume the input audio to be clean with a neutral tone. As we show empirically, one can easily break these systems by simply adding certain background noise to the utterance or…

Computer Vision and Pattern Recognition · Computer Science 2019-10-03 Gaurav Mittal , Baoyuan Wang

The emergence of multi-codebook neutral audio codecs such as Residual Vector Quantization (RVQ) and Group Vector Quantization (GVQ) has significantly advanced Large-Language-Model (LLM) based Text-to-Speech (TTS) systems. These codecs are…

Sound · Computer Science 2025-05-26 Rui Wang , Qianguo Sun , Tianrong Chen , Zhiyun Zeng , Junlong Wu , Jiaxing Zhang

Auditory Attention Decoding (AAD) algorithms play a crucial role in isolating desired sound sources within challenging acoustic environments directly from brain activity. Although recent research has shown promise in AAD using shallow…

Sound · Computer Science 2023-11-08 Karan Thakkar , Jiarui Hai , Mounya Elhilali

Discrete speech tokenization is a fundamental component in speech codecs. However, in large-scale speech-to-speech systems, the complexity of parallel streams from multiple quantizers and the computational cost of high-time-dimensional…

Sound · Computer Science 2025-07-28 Rongkun Xue , Yazhe Niu , Shuai Hu , Zixin Yin , Yongqiang Yao , Jing Yang

Creating universal speaker encoders which are robust for different acoustic and speech duration conditions is a big challenge today. According to our observations systems trained on short speech segments are optimal for short phrase speaker…

Sound · Computer Science 2022-10-31 Sergey Novoselov , Vladimir Volokhov , Galina Lavrentyeva

Neural speech codecs provide discrete representations for speech language models, but emotional cues are often degraded during quantization. Existing codecs mainly optimize acoustic reconstruction, leaving emotion expressiveness…

Sound · Computer Science 2026-05-13 Jiacheng Shi , Hongfei Du , Xinyuan Song , Y. Alicia Hong , Yanfu Zhang , Ye Gao

We contribute an unsupervised method that effectively learns disentangled content and style representations from sequences of observations. Unlike most disentanglement algorithms that rely on domain-specific labels or knowledge, our method…

Machine Learning · Computer Science 2025-03-18 Yuxuan Wu , Ziyu Wang , Bhiksha Raj , Gus Xia

Speech compression is commonly used to send voice over radio channels in applications such as mobile telephony and two-way push-to-talk (PTT) radio. In classical systems, the speech codec is combined with forward error correction,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-29 David Rowe , Jean-Marc Valin

Voice style transfer, also called voice conversion, seeks to modify one speaker's voice to generate speech as if it came from another (target) speaker. Previous works have made progress on voice conversion with parallel training data and…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-18 Siyang Yuan , Pengyu Cheng , Ruiyi Zhang , Weituo Hao , Zhe Gan , Lawrence Carin

Neural audio compression has emerged as a promising technology for efficiently representing speech, music, and general audio. However, existing methods suffer from significant performance degradation at limited bitrates, where the available…

Sound · Computer Science 2026-05-08 Jin Wang , Wenbin Jiang , Xiangbo Wang , Yubo You , Sheng Fang

Recent advancements in audio language models have underscored the pivotal role of audio tokenization, which converts audio signals into discrete tokens, thereby facilitating the application of language model architectures to the audio…

Voice conversion has made great progress in the past few years under the studio-quality test scenario in terms of speech quality and speaker similarity. However, in real applications, test speech from source speaker or target speaker can be…

Sound · Computer Science 2022-01-27 Hongqiang Du , Lei Xie , Haizhou Li

Speech Brain Computer Interfaces (BCIs) offer promising solutions to people with severe paralysis unable to communicate. A number of recent studies have demonstrated convincing reconstruction of intelligible speech from surface…