[go: up one dir, main page]

Grove, 2001 - Google Patents

Effects of thresholding on a small-scale matched filter array

Grove, 2001

Document ID
20378010196603500
Author
Grove D
Publication year
Publication venue
Proceedings of the 2001 IEEE Workshop on the Applications of Signal Processing to Audio and Acoustics (Cat. No. 01TH8575)

External Links

Snippet

Impulse responses (IRs) from eight microphones were measured in a conference room for evaluation with matched filter array (MFA) processing. Since truncation of the filters can be applied to the MFA with little loss in signal-to-noise ratio (SNR), the effects of diffusion and …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • 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
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • 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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
    • 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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Interconnection arrangements not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for suppressing echoes or otherwise conditioning for one or other direction of traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements

Similar Documents

Publication Publication Date Title
CA1230666A (en) Acoustic direction identification system
Jeub et al. A binaural room impulse response database for the evaluation of dereverberation algorithms
US20060256974A1 (en) Tracking talkers using virtual broadside scan and directed beams
KR102573148B1 (en) Perceptually-Transparent Estimation of Two-Channel Spatial Transfer Functions for Sound Correction
Grove Effects of thresholding on a small-scale matched filter array
Raikar et al. Effect of Microphone Position Measurement Error on RIR and its Impact on Speech Intelligibility and Quality.
Mason et al. A tubular directional microphone
TW201506915A (en) Method and device for extracting single audio source from multiple audio sources within space
Renomeron et al. Small-scale matched filter array processing for spatially selective sound capture
Firoozabadi et al. Combination of nested microphone array and subband processing for multiple simultaneous speaker localization
JP2002062900A (en) Sound collecting device and receiving device
Nishiura et al. Speech enhancement by multiple beamforming with reflection signal equalization
Jan Parallel processing of large scale microphone arrays for sound capture
Li et al. Spatial sound rendering using measured room impulse responses
Escudero et al. Highly-reverberant real environment database: Hrre
CN113726969A (en) Reverberation detection method, device and equipment
Gusó et al. MB-RIRs: a Synthetic Room Impulse Response Dataset with Frequency-Dependent Absorption Coefficients
Gadag et al. Beamforming using Different Window Techniques for Near-Field Speech in Anechoic and Reverberant Environment
Garre et al. An Acoustic Echo Cancellation System based on Adaptive Algorithm
Grenier et al. Microphone array response to speaker movements
Ramnath et al. Robust speech direction detection for low cost robotics applications
Nishiura et al. * ATR Spoken Language Translation Research Laboratories
Kavruk Two stage blind dereverberation based on stochastic models of speech and reverberation
Talmon et al. Identification of the relative transfer function between sensors in the short-time Fourier transform domain
BASAVA Microphone Array Wiener Beamforming with modeling of SRP-PHAT for Speaker Localization