| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 09/14/2006 | US20060204022 Sound beam loudspeaker system |
| 09/14/2006 | US20060204019 Acoustic signal processing apparatus, acoustic signal processing method, acoustic signal processing program, and computer-readable recording medium recording acoustic signal processing program |
| 09/14/2006 | DE102005012976B3 Hearing aid, has noise generator, formed of microphone and analog-to-digital converter, generating noise signal for representing earpiece based on wind noise signal, such that wind noise signal is partly masked |
| 09/13/2006 | EP1699913A2 A method for generating noise references for generalized sidelobe canceling |
| 09/13/2006 | EP1485691B1 Method and system for measuring a system's transmission quality |
| 09/13/2006 | EP1269624B1 System and method of producing direct audio from a power supply |
| 09/13/2006 | EP1203509B1 Feedback cancellation using bandwidth detection |
| 09/13/2006 | CN2816868Y Multi-channel digital control audio frequency power-amplifying device |
| 09/13/2006 | CN1833466A 阵列扬声器系统 Array speaker system |
| 09/12/2006 | US7106876 Microphone for simultaneous noise sensing and speech pickup |
| 09/12/2006 | US7106868 Active noise control for vehicle door noise |
| 09/08/2006 | WO2006093256A1 Audio reproducing device and method, and computer program |
| 09/08/2006 | WO2006092995A1 Acoustic reproduction device |
| 09/07/2006 | US20060198539 Signal transmission mechanism between wireless microphone and receiver |
| 09/07/2006 | US20060198538 Microphone array signal enhancement |
| 09/07/2006 | US20060198537 Ultra-directional microphones |
| 09/07/2006 | US20060198536 Microphone array signal processing apparatus, microphone array signal processing method, and microphone array system |
| 09/07/2006 | US20060198529 System and method for determining directionality of sound detected by a hearing aid |
| 09/06/2006 | EP1699260A2 Microphone array signal processing apparatus, microphone array signal processing method, and microphone array system |
| 09/06/2006 | EP1699259A1 Audio output apparatus |
| 09/06/2006 | EP1698208A1 Method for adjusting adaptation control of adaptive interference canceller |
| 09/06/2006 | EP1697932A1 Multi-mode audio processors and methods of operating the same |
| 09/06/2006 | CN2814804Y EIDC intelligent distortion control self-protecting system |
| 09/06/2006 | CN2814601Y Mixed equipment |
| 09/06/2006 | CN1830225A Speaker system for picture receiver and speaker installing method |
| 09/06/2006 | CN1829392A Howling detection circuit |
| 09/06/2006 | CN1827040A Hand-held portable hearing screening apparatus utilized otoacoustic emissions |
| 09/06/2006 | CN1274184C Method and apparatus for controlling bass reproduction of audio frequency signal in electroacoustic transducer |
| 09/06/2006 | CN1274183C Transponder with a changeable circuit configuration |
| 09/06/2006 | CN1274182C Parametric loudspeaker system and parameter output method for increasing loudspeaker |
| 09/05/2006 | US7103191 Hearing aid having second order directional response |
| 09/05/2006 | US7102663 Mixed-media telecommunication call set-up |
| 08/31/2006 | WO2006091335A2 Methods and systems for intelligibility measurement of audio announcement systems |
| 08/31/2006 | WO2006090799A1 Array speaker apparatus |
| 08/31/2006 | WO2006090758A1 A/v amplifier and method for driving the same |
| 08/31/2006 | WO2006089667A1 Apparatus and method for controlling a wave field synthesis rendering device |
| 08/31/2006 | WO2005112602A3 Speaker with frequency directed dual drivers |
| 08/31/2006 | US20060195322 System and method for detecting and storing important information |
| 08/31/2006 | US20060193483 Volume control method and system |
| 08/31/2006 | US20060193477 System for audio signal processing with sound spectrum selection |
| 08/31/2006 | DE19848641B4 Doppelsprech-unempfindlicher NLMS Algorithmus Double-talk insensitive NLMS algorithm |
| 08/31/2006 | DE102005019149B3 Hearing aid system with compensation for acoustic and electromagnetic feedback signals and having a delay member between the receiver and the signal processor |
| 08/31/2006 | DE102005008318A1 Hörhilfegerät mit benutzergesteuerter Einmessautomatik Hearing aid with user-controlled automatic calibration |
| 08/31/2006 | DE102005007623A1 Mikrofon Microphone |
| 08/30/2006 | EP1696703A1 Audio signal processing device and audio signal reproduction system |
| 08/30/2006 | EP1696695A1 Acoustic device and method for treating an audio signal |
| 08/30/2006 | EP1695593A1 Intelligibility testing for monitoring or public address systems |
| 08/30/2006 | EP1695592A1 Integrated circuit for hearing aids including a magnetic field sensor |
| 08/30/2006 | EP1695590A1 Method and apparatus for producing adaptive directional signals |
| 08/30/2006 | EP1449404B1 A high efficiency driver for miniature loudspeakers |
| 08/30/2006 | EP1436958A4 A digital implementation of multi-channel demodulators |
| 08/30/2006 | CN1826835A Device and method for operating voice-assisted systems in motor vehicles |
| 08/30/2006 | CN1826631A Variable multi-dimensional apodization control for ultrasonic transducers |
| 08/30/2006 | CN1826534A Capacitance determining circuit and capacitance determining method |
| 08/30/2006 | CN1826019A Microphone apparatus |
| 08/30/2006 | CN1826018A Microphone circuit and hand-held microphone comprising same |
| 08/30/2006 | CN1825944A Mobile video broadcasting system and method thereof |
| 08/30/2006 | CN1825884A Maintenance information communication terminal, management mainframe, image forming apparatus and communication method |
| 08/29/2006 | US7099481 Method and system for automatically detecting and powering PC speakers |
| 08/29/2006 | US7098865 Beam forming array of transducers |
| 08/24/2006 | WO2006087813A1 Echo canceler |
| 08/24/2006 | WO2006087285A1 Microphone comprising an output signal amplifier |
| 08/24/2006 | WO2006055723A9 Hearing protection and earphone device |
| 08/24/2006 | US20060188111 Microphone apparatus |
| 08/23/2006 | EP1694097A1 Array speaker device |
| 08/23/2006 | EP1692912A1 Selective audio signal enhancement |
| 08/23/2006 | CN2810073Y Portable digital flat panel sound box |
| 08/23/2006 | CN1823549A Panel-shaped acoustic wave generator |
| 08/23/2006 | CN1822718A Small light and thin large power high sensitivity high sound quality speaker and power drive and control circuit |
| 08/23/2006 | CN1822711A Device and method for arranging a flat panel display |
| 08/23/2006 | CN1822710A Integrated audio video signal processing system using centralized processing of signals |
| 08/23/2006 | CN1822709A Echo eliminating system for microphone echo |
| 08/23/2006 | CN1822708A No echo broadcast |
| 08/23/2006 | CN1822496A Method for increasing portable device horn playing volume |
| 08/23/2006 | CN1271888C Digital sound mixing apparatus |
| 08/23/2006 | CN1271418C Circuit and apparatus for detection of capacitance and microphone device |
| 08/23/2006 | CN1271417C Impedance measuring circuit and capacitance measuring circuit |
| 08/23/2006 | CN1271416C Sensor capacity sensing apparatus and sensor capacity sensing method |
| 08/23/2006 | CN1271415C Capacitance detection circuit, capacitance detection instrument and microphone device |
| 08/23/2006 | CA2537478A1 Speaker apparatus for handheld electronic device |
| 08/17/2006 | WO2006086094A2 Self-orienting audio system |
| 08/17/2006 | WO2006085401A1 Sound body-sensing device |
| 08/17/2006 | WO2006065473A3 Speaker diagnostics based upon driving-point impedance |
| 08/17/2006 | WO2004103013A3 A method and system for self-compensating for microphone non-uniformities |
| 08/17/2006 | US20060184361 Method and apparatus for reducing an interference noise signal fraction in a microphone signal |
| 08/17/2006 | US20060182292 Panel- shaped acoustic wave generator |
| 08/17/2006 | US20060182291 Acoustic processing system, acoustic processing device, acoustic processing method, acoustic processing program, and storage medium |
| 08/17/2006 | US20060182246 Maintenance information communication terminal, image forming apparatus provided with same, maintenance information management host,and communication method |
| 08/16/2006 | EP1691485A1 Electronic device comprising audio mute control circuit |
| 08/16/2006 | EP1691344A1 Speech recognition device |
| 08/16/2006 | EP1690437A2 Microphone comprising integral multi-level quantizer and single-bit conversion means |
| 08/16/2006 | EP1690332A1 Microphone with voltage pump |
| 08/16/2006 | EP0976208A4 Acoustic feedback elimination using adaptive notch filter algorithm |
| 08/16/2006 | CN1819717A Three-level magnetic pole lound speaker and its playing and controlling circuit |
| 08/16/2006 | CN1819716A Lound speaker with double magnetic pole and moving coil and its playing and controlling circuit |
| 08/16/2006 | CN1819715A Lound speaker with double-magnetic pole and moving coil, its playing and controlling circuit for cell-phone |
| 08/16/2006 | CN1819714A Lound speaker with double magnetic pole and moving coil, its playing and controlling circuit for radio communication apparatus |
| 08/16/2006 | CN1819713A High-acoustics lounderspeaker with electromagnetic energy converting into acoustic energy effectively, its playing and controlling circuit for mobile communication apparatus |
| 08/16/2006 | CN1819712A Electroacoustic double-magnetic pole and moving coil loundspeaker with high conversion rate and acoustics, its playing andcontrolling circuit thereof |
| 08/16/2006 | CN1819711A Hollow magnetic-core loundspeaker with internal magnetic pole and voice coil, its power-driven and controlling circuit |