| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 03/28/2007 | CN2884733Y Cell phone having double pick-up devices |
| 03/28/2007 | CN1939093A Fader device |
| 03/28/2007 | CN1939090A Handheld device loudspeaker system |
| 03/28/2007 | CN1939089A Sound volume control circuit, semiconductor integrated circuit, and sound source device |
| 03/28/2007 | CN1938927A Microphine with voltage pump |
| 03/28/2007 | CN1937403A Intelligent volume switching method for multimedia |
| 03/28/2007 | CN1937402A Speaker protection circuit |
| 03/27/2007 | CA2373114C Acoustic echo cancellation |
| 03/22/2007 | WO2007032389A1 Sound volume control device, sound volume control method, sound volume control program, and computer-readable recording medium |
| 03/22/2007 | WO2007032388A1 Sound volume control device, sound volume control method, sound volume control program, and computer-readable recording medium |
| 03/22/2007 | WO2007032108A1 Speaker apparatus and voice conference apparatus |
| 03/22/2007 | WO2007032100A1 Acoustic device and conversation device |
| 03/22/2007 | US20070064960 Apparatus to convert analog signal of array microphone into digital signal and computer system including the same |
| 03/22/2007 | US20070064959 Microphone system |
| 03/22/2007 | US20070064925 Integral microphone and speaker configuration type two-way communication apparatus |
| 03/22/2007 | US20070063780 Oscillation detection |
| 03/21/2007 | CN2882174Y Multifunction multi-media loudspeaker |
| 03/21/2007 | CN1934897A Howling detection method, device, and acoustic device using the same |
| 03/21/2007 | CN1934896A Oscillation echo canceller system |
| 03/21/2007 | CN1933677A Noise reducing apparatus, method and program and sound pickup apparatus for electronic equipment |
| 03/21/2007 | CN1933676A Method and apparatus for setting loudspeaker array utilizing reverse-phase |
| 03/21/2007 | CN1933507A Mobile terminal device |
| 03/21/2007 | CN1932975A Nondestructive voice quality stereo echo cancelling method |
| 03/20/2007 | US7194098 Acoustic device |
| 03/20/2007 | US7194096 Method and apparatus for adaptively pre-shaping audio signal to accommodate loudspeaker characteristics |
| 03/20/2007 | US7194094 Sound masking system |
| 03/15/2007 | WO2007029500A1 Voice output device and method, program, and room |
| 03/15/2007 | US20070056434 Sound system and method for creating a sound event based on a modeled sound field |
| 03/15/2007 | DE202006014943U1 Kopfhörer und Kopfhörer-Leistungsverwaltungseinrichtung Headphones and earphones power management device |
| 03/14/2007 | EP1319224A4 Dynamic power sharing in a multi-channel sound system |
| 03/14/2007 | CN1930916A Music content reproduction device |
| 03/14/2007 | CN1930915A A method and system for processing sound signals |
| 03/14/2007 | CN1930909A Filter circuit and reproduction device using the same |
| 03/14/2007 | CN1929698A Sound reproduction apparatus and method of enhancing low frequency component |
| 03/14/2007 | CN1929697A Optimization method and device for loudspeaker array |
| 03/14/2007 | CN1929696A Method and device for loudspeaker array setting by using quadratic residue sequence phase delay |
| 03/14/2007 | CN1929447A Method and device for searching address prefixion and message transfer method and system |
| 03/14/2007 | CN1929350A Digital mixer |
| 03/13/2007 | US7191124 Voice input and output apparatus with balancing among sound pressures at control points in a sound field |
| 03/13/2007 | US7190800 Howling control device and howling control method |
| 03/08/2007 | WO2007026827A1 Post filter for microphone array |
| 03/08/2007 | US20070055505 Method and device for noise reduction |
| 03/08/2007 | US20070053532 Sound reproduction systems for use by adjacent users |
| 03/08/2007 | US20070053524 Method and system for communication enhancement in a noisy environment |
| 03/08/2007 | DE102006009568A1 Acoustic system for vehicle, has acoustic units coupled with each other by level balancers and echo compensators so that passengers communicate with each other, and activation and deactivation unit for activation and deactivation of units |
| 03/08/2007 | DE102005042430A1 Static noise suppression method for ear protection, involves performing complex compensation of spectral parts of noise by amplitude and phase adjustment and by weighted addition of spectrum after processing of noise signal |
| 03/07/2007 | EP1680781B1 System and method for audio signal processing |
| 03/07/2007 | CN1926913A Vibrating plate for electricity-sound transformer and method for producing the same, and electricity-sound transformer and equipment using the same |
| 03/07/2007 | CN1926911A Howling suppression device, program, integrated circuit, and howling suppression method |
| 03/07/2007 | CN1926910A Sound quality regulator |
| 03/07/2007 | CN1925693A Signal processing system and method for calibrating channel signals supplied from an array of sensors |
| 03/06/2007 | US7187775 Audio signal recording apparatus |
| 03/01/2007 | WO2007025265A2 Method and apparatus for improving noise discrimination using enhanced phase difference value |
| 03/01/2007 | WO2007025033A2 Method and system for enhancing regional sensitivity noise discrimination |
| 03/01/2007 | US20070047753 Vehicle Accessory Microphone |
| 03/01/2007 | US20070047744 Noise mitigating microphone system and method |
| 03/01/2007 | US20070047743 Method and apparatus for improving noise discrimination using enhanced phase difference value |
| 03/01/2007 | US20070047742 Method and system for enhancing regional sensitivity noise discrimination |
| 03/01/2007 | US20070046512 Data conversion system |
| 03/01/2007 | US20070045550 Miniature camera module with lens containing image sensor |
| 03/01/2007 | DE102005039943A1 Auxgate for direct feed and management of external audio sources in audio equipment or sound system used in motor vehicle, uses interface radio loudspeakers to generate improved audio sound while maintaining mark-specific work radio |
| 02/28/2007 | EP1758428A1 Acoustical signal processing apparatus |
| 02/28/2007 | EP1757159A1 Ultrasonic transducer and ultrasonic speaker using the same |
| 02/28/2007 | CN1922916A Projector equipped with ultrasonic speaker, and method for displaying sound reproduction range in projector |
| 02/28/2007 | CN1921586A 声音信号处理装置 Sound signal processing apparatus |
| 02/28/2007 | CN1921567A Miniature camera module with lens containing image sensor |
| 02/27/2007 | US7184559 System and method for audio telepresence |
| 02/27/2007 | US7184558 Volume controller |
| 02/27/2007 | US7183857 Single supply direct drive amplifier |
| 02/27/2007 | US7183538 Apparatus for adjusting a signal based on a position of a movable member |
| 02/22/2007 | WO2007020104A1 Device for reproducing audio signals |
| 02/22/2007 | US20070041602 Hearing aid having switchable first and second order directional responses |
| 02/22/2007 | US20070041593 Audio on/off switching |
| 02/22/2007 | US20070041589 System and method for providing environmental specific noise reduction algorithms |
| 02/22/2007 | DE202006014632U1 Surface-mounting loudspeaker arrangement, has coupling device assessable externally by end-user |
| 02/22/2007 | DE102005039195A1 Vorrichtung zur Wiedergabe von Tonsignalen A device for playback of audio signals |
| 02/21/2007 | EP1755112A1 Method and apparatus for separating a sound-source signal |
| 02/21/2007 | EP1755111A1 Method and device for detecting pitch |
| 02/21/2007 | EP1754393A1 Apparatuses and methods for use in creating an audio scene |
| 02/21/2007 | EP1346552B1 A sound-based proximity detector for use in a mobile telephone apparatus |
| 02/21/2007 | EP1057364A4 Digital and analog directional microphone |
| 02/21/2007 | CN1918942A Acoustic feedback suppression |
| 02/21/2007 | CN1918941A Acoustic adjustment table |
| 02/21/2007 | CN1918791A Amplifier and acoustic system |
| 02/21/2007 | CN1917717A Audio player |
| 02/21/2007 | CN1301514C Inductance coil and divider applied for speaker |
| 02/20/2007 | US7181029 Speaker system for picture receiver and speaker installing method |
| 02/20/2007 | US7181026 Post-processing scheme for adaptive directional microphone system with noise/interference suppression |
| 02/20/2007 | US7181025 Ultrasound based parametric loudspeaker system |
| 02/20/2007 | US7181023 Distributed stereo system |
| 02/20/2007 | US7181021 Apparatus for acoustically improving an environment |
| 02/15/2007 | WO2007018293A1 Sound source separating device, speech recognizing device, portable telephone, and sound source separating method, and program |
| 02/15/2007 | US20070038444 Automatic control of adjustable elements associated with a vehicle |
| 02/15/2007 | US20070036366 Audio characteristic correction system |
| 02/14/2007 | EP1753262A1 Plasma display device |
| 02/14/2007 | EP1751854A1 Audio amplifier and speaker incorporating audio amplifier |
| 02/14/2007 | EP1671516B1 Device and method for producing a low-frequency channel |
| 02/14/2007 | CN1914950A First-order loudspeaker crossover network |
| 02/14/2007 | CN1914949A Method for adjusting adaptation control of adaptive interference canceller |
| 02/14/2007 | CN1913721A Voice controller utilizing wireless earphone and wireless earphone |