[go: up one dir, main page]

Friot, 2015 - Google Patents

Time-domain versus frequency-domain effort weighting in active noise control

Friot, 2015

View PDF
Document ID
6161173128031118882
Author
Friot E
Publication year

External Links

Snippet

Although Active Noise Control aims at reducing the noise at a set of error sensors, it is often designed by minimizing an error index that includes a weighted penalty on the actuator inputs. In this way, the control tends to be more robust and the effort-weighting parameter …
Continue reading at hal.science (PDF) (other versions)

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound
    • G10K11/175—Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1784—Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase using multiple inputs; single output
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3023—Estimation of noise, e.g. on error signals
    • G10K2210/30232—Transfer functions, e.g. impulse response
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/105—Appliances, e.g. washing machines or dishwashers
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting, or directing sound

Similar Documents

Publication Publication Date Title
Zhang et al. Deep MCANC: A deep learning approach to multi-channel active noise control
Morgan History, applications, and subsequent development of the FXLMS Algorithm [DSP History]
Zhang et al. Causality study on a feedforward active noise control headset with different noise coming directions in free field
US5633795A (en) Adaptive tonal control system with constrained output and adaptation
CN101393736B (en) Active noise control method without secondary channel modeling
CN110402540A (en) Active denoising method, device, chip, active control system and storage medium
CN110246480A (en) Utilize the active noise cancellation systems of diagonalization electric-wave filter matrix
US5469087A (en) Control system using harmonic filters
Das et al. Nonlinear active noise control for headrest using virtual microphone control
Kukde et al. Incremental learning based adaptive filter for nonlinear distributed active noise control system
Patel et al. A hybrid multi-reference subband control strategy for active noise control headphones
EP0654901B1 (en) System for the rapid convergence of an adaptive filter in the generation of a time variant signal for cancellation of a primary signal
KR101696597B1 (en) Noise control method
CN107315343A (en) Narrowband self-adaption method is referred to a kind of many vibration sources of mechanical active vibration isolation more
Warsitz et al. Acoustic filter-and-sum beamforming by adaptive principal component analysis
JP3646809B2 (en) Time domain adaptive control system
Friot Time-domain versus frequency-domain effort weighting in active noise control
Borra et al. Arrays of first-order steerable differential microphones
Wesselink et al. Fast affine projections and the regularized modified filtered-error algorithm in multichannel active noise control
Chen et al. The stability and convergence characteristics of the delayed-x LMS algorithm in ANC systems
Friot Time-domain versus frequency-domain effort weighting in active noise control design
Chen et al. Evaluation of the convergence characteristics of the filtered-x LMS algorithm in the frequency domain
EP0647372B1 (en) Control system using harmonic filters
Guillaume et al. Iterative algorithms for multichannel equalization in sound reproduction systems
CN120340452B (en) Narrow-band active noise control method and system thereof