[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Hasegawa et al., 2017 - Google Patents

Headrest application of multi-channel feedback active noise control with virtual sensing technique

Hasegawa et al., 2017

Document ID
136069025992521995
Author
Hasegawa R
Kajikawa Y
Chang C
Kuo S
Publication year
Publication venue
INTER-NOISE and NOISE-CON Congress and Conference Proceedings

External Links

Snippet

Conventional ANC system based on the feedback structure can cancel the periodicity or narrow-band noise around the error microphone. Therefore, the quiet zone is not realized around the eardrums neither opening of ear canal, especially the noise includes high …
Continue reading at www.ingentaconnect.com (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
    • G10K2210/3028—Filtering, e.g. Kalman filters or special analogue or digital filters
    • 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
    • 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
    • G10K2210/3055—Transfer function of the acoustic system
    • 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
    • G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
    • 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
    • G10K2210/321—Physical
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets providing an auditory perception; Electric tinnitus maskers providing an auditory perception

Similar Documents

Publication Publication Date Title
US11503409B1 (en) Spatial headphone transparency
JP7008806B2 (en) Parallel Active Noise Reduction (ANR) and Hear-Through Signal Transduction Paths for Acoustic Devices
US8693699B2 (en) Method for adaptive control and equalization of electroacoustic channels
Shi et al. Feedforward multichannel virtual-sensing active control of noise through an aperture: Analysis on causality and sensor-actuator constraints
US20160314778A1 (en) Active noise control system
CN110402540B (en) Active noise reduction method, device, chip, active control system and storage medium
Shen et al. Alternative switching hybrid ANC
Shi et al. A novel selective active noise control algorithm to overcome practical implementation issue
US12002447B2 (en) Noise cancellation system and signal processing method for an ear-mountable playback device
Das et al. Nonlinear active noise control for headrest using virtual microphone control
Shen et al. Multi-channel wireless hybrid active noise control with fixed-adaptive control selection
Ahmed et al. Gain scheduling of auxiliary noise and variable step-size for online acoustic feedback cancellation in narrow-band active noise control systems
Hirose et al. Effectiveness of headrest anc system with virtual sensing technique for factory noise
Behera et al. Adaptive nonlinear active noise control algorithm for active headrest with moving error microphones
Hasegawa et al. Headrest application of multi-channel feedback active noise control with virtual sensing technique
Patel et al. A hybrid multi-reference subband control strategy for active noise control headphones
Kajikawa et al. Comparison of virtual sensing techniques for broadband feedforward active noise control
US11264004B2 (en) Parallel noise cancellation filters
Yin et al. Selective fixed-filter active noise control based on frequency response matching in headphones
Rivera Benois et al. Improving the performance of an active noise cancelling headphones prototype
Håkansson et al. Noise Canceling Headsets for Speech Communication
Xie et al. A feedforward and feedback composite active noise reduction headset based on inverse filter frequency equalization and its DSP system implementation
Huang et al. Implementation of feedforward active noise control techniques for headphones
Kajikawa Feedback active noise control system and its application to MRI noise
Bao et al. A novel feedforward active noise control structure with spectrum-tuning for residual noise