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A major drawback of supervised speech separation (SSep) systems is their reliance on synthetic data, leading to poor real-world generalization. Mixture invariant training (MixIT) was proposed as an unsupervised alternative that uses real…

Audio and Speech Processing · Electrical Eng. & Systems 2024-11-22 Joonas Kalda , Clément Pagés , Ricard Marxer , Tanel Alumäe , Hervé Bredin

Although deep learning has substantially advanced speech separation in recent years, most existing studies continue to prioritize separation quality while overlooking computational efficiency, an essential factor for low-latency speech…

Sound · Computer Science 2025-05-20 Yuqi Li , Kai Li , Xin Yin , Zhifei Yang , Junhao Dong , Zeyu Dong , Chuanguang Yang , Yingli Tian , Yao Lu

The mechanism proposed here is for real-time speaker change detection in conversations, which firstly trains a neural network text-independent speaker classifier using in-domain speaker data. Through the network, features of conversational…

Sound · Computer Science 2017-03-20 Zhenhao Ge , Ananth N. Iyer , Srinath Cheluvaraja , Aravind Ganapathiraju

We consider the problem of audio voice separation for binaural applications, such as earphones and hearing aids. While today's neural networks perform remarkably well (separating $4+$ sources with 2 microphones) they assume a known or fixed…

Sound · Computer Science 2022-07-18 Zhongweiyang Xu , Romit Roy Choudhury

Single-microphone, speaker-independent speech separation is normally performed through two steps: (i) separating the specific speech sources, and (ii) determining the best output-label assignment to find the separation error. The second…

Audio and Speech Processing · Electrical Eng. & Systems 2019-08-07 Midia Yousefi , Soheil Khorram , John H. L. Hansen

Speaker segmentation consists in partitioning a conversation between one or more speakers into speaker turns. Usually addressed as the late combination of three sub-tasks (voice activity detection, speaker change detection, and overlapped…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-11 Hervé Bredin , Antoine Laurent

Speech signals, typically sampled at rates in the tens of thousands per second, contain redundancies, evoking inefficiencies in sequence modeling. High-dimensional speech features such as spectrograms are often used as the input for the…

Speech separation is a fundamental task in audio processing, typically addressed with fully supervised systems trained on paired mixtures. While effective, such systems typically rely on synthetic data pipelines, which may not reflect…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-30 Runwu Shi , Kai Li , Chang Li , Jiang Wang , Sihan Tan , Kazuhiro Nakadai

Speaker-independent speech separation has achieved remarkable performance in recent years with the development of deep neural network (DNN). Various network architectures, from traditional convolutional neural network (CNN) and recurrent…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-17 Xue Yang , Changchun Bao

Although deep-learning-based methods have markedly improved the performance of speech separation over the past few years, it remains an open question how to integrate multi-channel signals for speech separation. We propose two methods,…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-12 Yuichiro Koyama , Oluwafemi Azeez , Bhiksha Raj

Speaker counting is the task of estimating the number of people that are simultaneously speaking in an audio recording. For several audio processing tasks such as speaker diarization, separation, localization and tracking, knowing the…

Sound · Computer Science 2021-01-07 Pierre-Amaury Grumiaux , Srdan Kitic , Laurent Girin , Alexandre Guérin

In recent years, rapid progress has been made on the problem of single-channel sound separation using supervised training of deep neural networks. In such supervised approaches, a model is trained to predict the component sources from…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-27 Scott Wisdom , Efthymios Tzinis , Hakan Erdogan , Ron J. Weiss , Kevin Wilson , John R. Hershey

Unsupervised single-channel overlapped speech recognition is one of the hardest problems in automatic speech recognition (ASR). Permutation invariant training (PIT) is a state of the art model-based approach, which applies a single neural…

Computation and Language · Computer Science 2017-12-27 Zhehuai Chen , Jasha Droppo , Jinyu Li , Wayne Xiong

Many approaches can derive information about a single speaker's identity from the speech by learning to recognize consistent characteristics of acoustic parameters. However, it is challenging to determine identity information when there are…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-07 Hyewon Han , Soo-Whan Chung , Hong-Goo Kang

Speaker counting is the task of estimating the number of people that are simultaneously speaking in an audio recording. For several audio processing tasks such as speaker diarization, separation, localization and tracking, knowing the…

Sound · Computer Science 2020-03-18 Pierre-Amaury Grumiaux , Srdjan Kitic , Laurent Girin , Alexandre Guérin

Speech separation in realistic acoustic environments remains challenging because overlapping speakers, background noise, and reverberation must be resolved simultaneously. Although recent time-frequency (TF) domain models have shown strong…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-15 Ui-Hyeop Shin , Hyung-Min Park

Speaker separation aims to extract multiple voices from a mixed signal. In this paper, we propose two speaker-aware designs to improve the existing speaker separation solutions. The first model is a speaker conditioning network that…

Sound · Computer Science 2022-10-13 Tao Sun , Nidal Abuhajar , Shuyu Gong , Zhewei Wang , Charles D. Smith , Xianhui Wang , Li Xu , Jundong Liu

We introduce VoiceFilter-Lite, a single-channel source separation model that runs on the device to preserve only the speech signals from a target user, as part of a streaming speech recognition system. Delivering such a model presents…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-10 Quan Wang , Ignacio Lopez Moreno , Mert Saglam , Kevin Wilson , Alan Chiao , Renjie Liu , Yanzhang He , Wei Li , Jason Pelecanos , Marily Nika , Alexander Gruenstein

Many applications of single channel source separation (SCSS) including automatic speech recognition (ASR), hearing aids etc. require an estimation of only one source from a mixture of many sources. Treating this special case as a regular…

Audio and Speech Processing · Electrical Eng. & Systems 2018-06-22 Arpita Gang , Pravesh Biyani , Akshay Soni

Traditional speech separation and speaker diarization approaches rely on prior knowledge of target speakers or a predetermined number of participants in audio signals. To address these limitations, recent advances focus on developing…