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This paper proposes a novel control scheme, named self-reflective model predictive control, which takes its own limitations in the presence of process noise and measurement errors into account. In contrast to existing output-feedback MPC…

最优化与控制 · 数学 2017-05-01 Boris Houska , Dries Telen , Filip Logist , Jan Van Impe

Active headrests can reduce low-frequency noise around ears based on active noise control (ANC) system. Both the control system using fixed control filters and the remote microphone-based adaptive control system provide good noise reduction…

计算机视觉与模式识别 · 计算机科学 2024-01-22 Yuteng Liu , Haowen Li , Haishan Zou , Jing Lu , Zhibin Lin

Funnel control achieves output tracking with guaranteed tracking performance for unknown systems and arbitrary reference signals. In particular, the tracking error is guaranteed to satisfy time-varying error bounds for all times (it evolves…

最优化与控制 · 数学 2024-03-29 Thomas Berger , Christoph M. Hackl , Stephan Trenn

Acoustic Echo Cancellation (AEC) plays a key role in speech interaction by suppressing the echo received at microphone introduced by acoustic reverberations from loudspeakers. Since the performance of linear adaptive filter (AF) would…

声音 · 计算机科学 2021-06-02 Lu Ma , Song Yang , Yaguang Gong , Zhongqin Wu

Acoustic Echo Cancellation (AEC) whose aim is to suppress the echo originated from acoustic coupling between loudspeakers and microphones, plays a key role in voice interaction. Linear adaptive filter (AF) is always used for handling this…

声音 · 计算机科学 2021-06-01 Lu Ma , Song Yang , Yaguang Gong , Xintian Wang , Zhongqin Wu

We consider the problem of simultaneous reduction of acoustic echo, reverberation and noise. In real scenarios, these distortion sources may occur simultaneously and reducing them implies combining the corresponding distortion-specific…

声音 · 计算机科学 2020-07-28 Guillaume Carbajal , Romain Serizel , Emmanuel Vincent , Eric Humbert

Acoustic Echo Cancellation (AEC) plays a key role in voice interaction. Due to the explicit mathematical principle and intelligent nature to accommodate conditions, adaptive filters with different types of implementations are always used…

声音 · 计算机科学 2020-05-20 Lu Ma , Hua Huang , Pei Zhao , Tengrong Su

This paper proposes a deep cerebellar model articulation controller (DCMAC) for adaptive noise cancellation (ANC). We expand upon the conventional CMAC by stacking sin-gle-layer CMAC models into multiple layers to form a DCMAC model and…

系统与控制 · 计算机科学 2017-05-03 Yu Tsao , Hao-Chun Chu , Shih-Wei Lan , Shih-Hau Fang , Junghsi Lee , Chih-Min Lin

Acoustic echo cancellation with stereo signals is generally an under-determined problem because of the high coherence between the left and right channels. In this paper, we present a novel method of significantly reducing inter-channel…

声音 · 计算机科学 2016-03-01 Jean-Marc Valin

Active Noise Cancellation (ANC) algorithms aim to suppress unwanted acoustic disturbances by generating anti-noise signals that destructively interfere with the original noise in real time. Although recent deep learning-based ANC algorithms…

信息论 · 计算机科学 2025-05-26 François Derrida , Shahar Lutati , Eliya Nachmani

Smart glasses are becoming an increasingly prevalent wearable platform, with audio as a key interaction modality. However, hearing in noisy environments remains challenging because smart glasses are equipped with open-ear speakers that do…

音频与语音处理 · 电气工程与系统科学 2026-04-08 Kuang Yuan , Freddy Yifei Liu , Tong Xiao , Yiwen Song , Chengyi Shen , Saksham Bhutani , Justin Chan , Swarun Kumar

Dynamical generative models that produce samples through an iterative process, such as Flow Matching and denoising diffusion models, have seen widespread use, but there have not been many theoretically-sound methods for improving these…

机器学习 · 计算机科学 2025-01-08 Carles Domingo-Enrich , Michal Drozdzal , Brian Karrer , Ricky T. Q. Chen

One enduring challenge for controlling high frequency sound in local active noise control (ANC) systems is to obtain the acoustic signal at the specific location to be controlled. In some applications such as in ANC headrest systems, it is…

系统与控制 · 电气工程与系统科学 2020-12-01 Tong Xiao , Xiaojun Qiu , Benjamin Halkon

We propose a nonlinear acoustic echo cancellation system, which aims to model the echo path from the far-end signal to the near-end microphone in two parts. Inspired by the physical behavior of modern hands-free devices, we first introduce…

声音 · 计算机科学 2021-06-28 Amir Ivry , Israel Cohen , Baruch Berdugo

The SNS SRF system is operated with a pulsed beam. For the SRF system to track the repetitive reference trajectory, a feedback and a feedforward controllers has been proposed. The feedback controller is to guarantee the closed loop system…

加速器物理 · 物理学 2007-05-23 Sung-il Kwon , Yi-Ming Wang , Amy Regan , Tony Rohlev , Mark Prokop , Dave Thomson

Adaptive filters (AFs) are vital for enhancing the performance of downstream tasks, such as speech recognition, sound event detection, and keyword spotting. However, traditional AF design prioritizes isolated signal-level objectives, often…

声音 · 计算机科学 2023-12-19 Jonah Casebeer , Junkai Wu , Paris Smaragdis

Snoring is a common disorder that affects people's social and marital lives. The annoyance caused by snoring can be partially solved with active noise control systems. In this context, the present work aims at introducing an enhanced system…

音频与语音处理 · 电气工程与系统科学 2023-08-01 Valeria Bruschi , Michela Cantarini , Luca Serafini , Stefano Nobili , Stefania Cecchi , Stefano Squartini

In theory, active control could be used to reduce the unwanted noise reflections from surfaces such as a submarine hull or the walls of an anechoic room. In the recent years, a real-time algorithm has been developed to this effect at the…

经典物理 · 物理学 2009-11-25 Emmanuel Friot , Alexandre Gintz

Active noise control (ANC) has become popular for reducing noise and thus enhancing user comfort in headphones. While feedback control offers an effective way to implement ANC, it is restricted by uncertainty of the controlled system that…

系统与控制 · 电气工程与系统科学 2025-09-22 Florian Hilgemann , Egke Chatzimoustafa , Peter Jax

The remote microphone technique (RMT) is often used in active noise control (ANC) applications to overcome design constraints in microphone placements by estimating the acoustic pressure at inconvenient locations using a pre-calibrated…

信号处理 · 电气工程与系统科学 2023-07-04 Chung Kwan Lai , Bhan Lam , Dongyuan Shi , Woon-Seng Gan