H04R 3 - Circuits for transducers

Patents for H04R 3 - Circuits for transducers (18,190)
11/2011
11/23/2011	CN202050532U Digital audio distributor
11/23/2011	CN202044746U Audio vitality board/skateboard
11/23/2011	CN1883228B Array speaker device
11/23/2011	CN1822709B Echo eliminating system for microphone echo
11/23/2011	CN102257728A Audio signal adjustment device and audio signal adjustment method
11/23/2011	CN102257561A Speech signal processing
11/23/2011	CN102256194A Sound device with alternating current filter
11/23/2011	CN102256193A Audio signal receiving device and audio signal transmission system
11/23/2011	CN102256192A Individualization of sound signals
11/23/2011	CN101411063B Filter adaptive frequency resolution
11/23/2011	CN101326853B Device for and method of processing an audio data stream
11/23/2011	CN101170302B Audio processing method and audio processing apparatus
11/23/2011	CN101052242B Method for automatically equalizing a sound system
11/22/2011	US8064747 Reproducing device and reproducing method
11/22/2011	US8064622 Self-biased amplifier device for an electrecret microphone
11/22/2011	US8064620 Driver circuit and driving method for electrostatic loudspeaker
11/22/2011	US8064619 Microphone and integrated circuit capible of echo cancellation
11/22/2011	US8064618 Direction detection apparatus, direction detection method and direction detection program, and direction control apparatus, direction control method, and direction control program
11/22/2011	US8064617 Microphone non-uniformity compensation system
11/22/2011	CA2496785C Sound source search system
11/22/2011	CA2422449C Method for controlling a transmission system, use of this method, transmission system, receiving unit and hearing aid
11/17/2011	US20110282660 System for Suppressing Rain Noise
11/17/2011	DE102010011730A1 Hörvorrichtung und Verfahren zum Erzeugen einer omnidirektionalen Richtcharakteristik Hearing apparatus and method for generating an omnidirectional polar pattern
11/16/2011	EP2387251A1 Sound reproduction and detection
11/16/2011	EP2387032A1 Noise cancellation device and noise cancellation program
11/16/2011	EP2386943A1 Control device, method, and program
11/16/2011	CN202043273U Power amplifier board
11/16/2011	CN202043264U Frequency modulation wireless microphone circuit with voltage stabilizing circuit
11/16/2011	CN202041959U International express clearance RFID (radio frequency identification) voice reporting system
11/16/2011	CN102246230A Systems and methods for improving the intelligibility of speech in a noisy environment
11/16/2011	CN102244828A Guitar sound box
11/16/2011	CN101427930B Method for improving doppler sound quality for colorful ultrasonic system
11/16/2011	CN101222786B Sound outputting apparatus, sound outputting method, sound output processing program and system
11/15/2011	US8059840 System and method for locating sound sources
11/15/2011	US8059838 Interfacing circuit for a removable microphone
11/15/2011	US8059837 Audio processing method and system
11/15/2011	US8059836 Microphone bias circuits
11/15/2011	US8059828 Audio privacy method and system
11/10/2011	WO2011137852A1 Method and apparatus for estimating interchannel delay of sound signal
11/10/2011	US20110275434 Methods for controlling a process of a game and electronic devices utilizing the same
11/10/2011	US20110275350 Method of Simulating Communication
11/10/2011	US20110274289 Sensor array beamformer post-processor
11/10/2011	DE102010019390A1 Circuit arrangement for suppression of electromagnetic spurious signals in e.g. compact disk player, has circuit portion formed by planar, single-piece, meander-shaped metal element i.e. metal sheet, or unilaterally connected capacitors
11/09/2011	EP2385711A1 Howling suppressing apparatus, howling suppressing method, program, and integrated circuit
11/09/2011	CN202026876U Digital, intelligent and rhythmic luminous pattern device
11/09/2011	CN102239706A Acoustic system
11/09/2011	CN102239705A Wind noise detection method and system
11/09/2011	CN102238457A Signal dereverberation using environment information
11/09/2011	CN102238456A Signal processing device, signal processing method and program
11/09/2011	CN102238455A Sound sensor with electromagnetic wave receiver
11/09/2011	CN102238454A ECM (electret condenser microphone) switching circuit and method
11/09/2011	CN102238452A Method for actively resisting noises in hands-free earphone and hands-free earphone
11/08/2011	US8054996 Video/audio output device and external speaker control apparatus
11/08/2011	US8054992 High frequency compensating
11/08/2011	US8054991 Sound pickup apparatus and conference telephone
11/08/2011	US8054990 Method of recognizing speech from a plurality of speaking locations within a vehicle
11/08/2011	US8054988 Communications device for transmitting acoustic signals in a motor vehicle
11/03/2011	WO2011135646A1 Speaker device and filter coefficient generation device therefor
11/03/2011	WO2011134243A1 Microphone circuit in two-mode two-standby mobile terminal and implementing method thereof
11/03/2011	WO2011134212A1 Terminal and voice input method
11/03/2011	US20110268292 Apparatus
11/02/2011	EP2384024A2 Handset Leak-Tolerant Receiver
11/02/2011	EP2384023A1 Using a loudspeaker as a vibration sensor
11/02/2011	EP2382802A2 Method of and apparatus for planar audio source tracking
11/02/2011	EP2382799A1 Speech capturing and speech rendering
11/02/2011	EP2382798A1 Elevated toroid microphone apparatus and method
11/02/2011	EP1699259B1 Audio output apparatus
11/02/2011	CN202019795U Barrier prompt scarf
11/02/2011	CN101795427B Bidimensional cruciate sound column with controllable directive property
11/02/2011	CN101247671B Optimal estimation of transducer parameters
11/02/2011	CN101184345B Noise reducing device, noise reducing method, noise reducing program, and noise reducing audio outputting device
11/01/2011	US8050931 Sound masking system and masking sound generation method
11/01/2011	US8050717 Signal processing system and method for calibrating channel signals supplied from an array of sensors having different operating characteristics
11/01/2011	US8050432 Sound system
11/01/2011	US8050425 Audio signal supplying device, parameter providing system, television set, AV system, speaker apparatus, and audio signal supplying method
11/01/2011	CA2653922C Methods and apparatus for processing audio signals
10/2011
10/27/2011	WO2011132845A2 Ear microphone
10/27/2011	US20110261973 Apparatus and method for reproducing a sound field with a loudspeaker array controlled via a control volume
10/27/2011	DE102010017959A1 Microphone e.g. micro-electromechanical system (MEMS) microphone for use in mobile communication apparatus, has membrane and back plate between which variable electrical bias is produced by bias generation unit
10/26/2011	EP2380164A1 Speech signal processing
10/26/2011	EP2208364B1 Noise cancellation circuit for electronic device
10/26/2011	EP1876706B1 Acoustic reproduction device
10/26/2011	CN202019443U Electromagnetic radiation reducing circuit
10/26/2011	CN202019442U Digital sound source circuit control device
10/26/2011	CN202019430U Digital high-fidelity multi-channel microphone system
10/26/2011	CN202016626U Talking chocolate box
10/26/2011	CN1682444B Integrated circuit with automatic polarity detection and configuration
10/26/2011	CN102227918A Sound collection device
10/26/2011	CN102227768A Noise cancellation device and noise cancellation program
10/26/2011	CN101267686B Speaker array apparatus and signal processing method therefor
10/25/2011	US8045840 Video-audio recording apparatus and method, and video-audio reproducing apparatus and method
10/25/2011	US8045735 Ultrasonic transducer and ultrasonic speaker using the same
10/25/2011	US8045730 Methods and systems for reducing acoustic echoes in communication systems
10/25/2011	US8045701 Method and apparatus for active reduction of speakerphone singing
10/20/2011	US20110255709 Audio control device and audio output device
10/19/2011	EP2378795A1 Sound field correction system
10/19/2011	EP2378790A1 Loudspeaker system and sound emission/collection method
10/19/2011	EP2378788A2 Device and method for in-ear sound generation
10/19/2011	EP1730993B1 Listening device with two or more microphones
10/19/2011	EP1419672B1 Listening device

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