Patents for H04R 3 - Circuits for transducers (18,190)
10/2006
10/25/2006EP1221824B1 Loudspeaker device
10/25/2006CN2831668Y Intelligence audio mixer for meeting
10/25/2006CN2831620Y Radio digital mic
10/25/2006CN1853444A 高效音频换能器 Efficient audio transducer
10/25/2006CN1853443A High efficiency audio reproduction
10/25/2006CN1853442A Audio frequency range adaptation
10/25/2006CN1852619A Ear-phone wave-filtering system
10/24/2006US7127071 System and process for robust sound source localization
10/24/2006US7127070 Loudspeaker broadcasting system and loudspeaker broadcasting apparatus
10/19/2006WO2006109505A1 Audio output control device, method thereof, program thereof, and recording medium containing the program
10/19/2006WO2005089011A3 Input signal dependent signal conditioning
10/19/2006US20060233396 Hand microphone interfaced to game controller port of personal computer
10/19/2006US20060233395 Sound effects microphone
10/19/2006US20060233389 Methods and apparatus for targeted sound detection and characterization
10/19/2006US20060230598 Method for fixing a diaphragm in an electroacoustic transducer
10/18/2006EP1713306A1 Speaker apparatus
10/18/2006EP1713300A1 Vibrating plate for electricity-sound transformer and method for producing the same, and electricity-sound transformer and equipment using the same
10/18/2006CN1849845A Apparatus and method for generating, storing, or editing an audio representation of an audio scene
10/18/2006CN1849819A Digital loudspeaker
10/18/2006CN1281002C Adaptive filter emitting control in echo suppressor using structure lagging amplitude distribution estimation method
10/18/2006CN1280781C Portable karaoke device
10/17/2006US7123728 Speaker equalization tool
10/17/2006US7123727 Adaptive close-talking differential microphone array
10/12/2006WO2006107102A1 Sound signal processing device and sound signal processing method
10/12/2006WO2006106955A1 Handset, electronic device, and communication device
10/12/2006WO2006106690A1 Acoustic signal processing device
10/12/2006WO2006106480A1 Method and sound reproduction system for controlling a sound pressure level
10/12/2006WO2006106231A2 Amplifier with double feedback control and associated speaker
10/12/2006WO2006105974A1 Headphones for connection to an external active noise compensation device
10/12/2006US20060229752 Integrated audio video signal processing system using centralized processing of signals
10/12/2006US20060227980 Systems and methods for producing a sound pressure field
10/12/2006US20060227977 System and process for robust sound source localization
10/12/2006US20060227224 Imaging device, sound record device, and sound record method
10/12/2006DE102005016204A1 Kopfhörer zum Anschluss an eine externe aktive Lärmkompensationsvorrichtung Headphones for connection to an external active noise compensation device
10/11/2006EP1711030A1 Speaker apparatus
10/11/2006EP1711003A2 Imaging device, sound recording device and sound recording method
10/11/2006EP1057291B1 System and method for factoring a merged wave field into independent components
10/11/2006CN1845642A Digital wireless microphone and karaoke system using the same
10/11/2006CN1845582A Imaging device, sound record device, and sound record method
10/10/2006US7120262 Directional-microphone and method for signal processing in same
10/10/2006US7120261 Vehicle accessory microphone
10/05/2006WO2004103773A3 Rearview mirror assemblies incorporating hands-free telephone components
10/05/2006WO2004086810A3 Vocal pitch-training device
10/05/2006US20060222187 Microphone and sound image processing system
10/05/2006US20060220929 Device for detecting operation of operator on sound control apparatus
10/05/2006DE19937990B4 Integrierte Halbleiterschaltung für ein Elektret-Mikrofon A semiconductor integrated circuit for an electret microphone
10/05/2006DE102006014307A1 Audio signal amplifying device, has evaluation unit to evaluate distortion components based on difference between modes of oscillation of audio signal, and adding device to add components to audio signal and to provide output to amplifier
10/04/2006EP1708394A2 Device for detecting operation of a rotary knob in an audio mixing console
10/04/2006EP1707027A2 Audio signal enhancement
10/04/2006EP1004222B1 A distributed stereo system
10/04/2006CN1843054A Audio system
10/04/2006CN1842712A Impedance measuring circuit, its method, and capacitance measuring circuit
10/04/2006CN1842227A Device and method for detecting operation of operator on sound control apparatus
10/04/2006CN1842223A Audio signal amplifying apparatus and distortion correcting method
10/04/2006CN1278487C Digital signal processor system
10/03/2006US7116792 Directional microphone system
10/03/2006US7116791 Microphone array system
09/2006
09/28/2006WO2006100999A1 Electronic device console apparatus
09/28/2006WO2006100980A1 Audio signal processing device and computer program for the same
09/28/2006WO2005006805A3 Microphoning
09/28/2006US20060215856 Detection device
09/28/2006US20060215850 System and process for robust sound source localization
09/28/2006US20060215849 Locating and tracking acoustic sources with microphone arrays
09/27/2006EP1704749A1 Audio system having reverberation reducing filter
09/27/2006EP1704748A1 Audio system providing for filter coefficient copying
09/27/2006EP1704559A1 Systems and methods for automatically equalizing audio signals
09/27/2006CN1839624A Data conversion system
09/27/2006CN1838573A Digital mixing method and apparatus
09/27/2006CN1277415C Mixed-media telecommunication call method and videophone
09/27/2006CN1277180C Apparatus and method for adapting audio signal
09/26/2006US7113609 Virtual multichannel speaker system
09/26/2006US7113607 Low frequency feedback controlled audio system
09/26/2006US7113605 System and process for time delay estimation in the presence of correlated noise and reverberation
09/26/2006US7113604 Apparatus and method for matching the response of microphones in magnitude and phase
09/26/2006US7113557 Noise canceling method and apparatus
09/21/2006WO2006098539A1 Low-cost acoustic-apparatus system, and design method therefor
09/21/2006US20060210106 Miniature condenser microphone and fabrication method therefor
09/21/2006US20060208735 System and method for reducing auditory perception of noise associated with a medical imaging process
09/21/2006DE102005028742B3 Hearing aid equipment, has signal source delivering test signal that is not directly coming from input signal, where information signal is delivered by equipment such that information signal is delivered from source and used as test signal
09/20/2006EP1703773A2 Sound system, method for controlling the sound system, and sound equipment
09/20/2006EP1703767A2 Howling canceler apparatus and sound amplification system
09/20/2006EP1614216B1 Amplifier arrangement and distributed audio system
09/20/2006CN2819377Y Player of integrated optical drive, loundspeaker box and data memory playing device
09/20/2006CN1836466A Device and method for locating a room area
09/20/2006CN1836372A System estimation method, program, recording medium, system estimation device
09/19/2006US7110800 Communication system using short range radio communication headset
09/19/2006US7110564 Multi-function actuator
09/19/2006US7110560 Electret condensor microphone preamplifier that is insensitive to leakage currents at the input
09/19/2006US7110559 System and method for controlling audio output
09/19/2006US7110557 Level adjustment circuit
09/19/2006US7110555 Sound signal reproducing apparatus
09/19/2006US7110553 Directional microphone assembly for mounting behind a surface
09/19/2006US7110552 Personal listening device for arena events
09/19/2006US7109789 Modulator—amplifier
09/19/2006CA2438969C Bone conduction hearing aid
09/19/2006CA2165512C Sound pickup device incorporating a video system for setting parameters and related setting process
09/14/2006WO2006096801A2 Reflective loudspeaker array
09/14/2006WO2006095736A1 Noise eliminating apparatus
09/14/2006US20060204029 Speaker unit and sound output device
09/14/2006US20060204023 Microphone array diffracting structure