| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 07/28/2005 | US20050163324 Apparatus and method of limiting power applied to a loudspeaker |
| 07/27/2005 | EP1558060A2 Vehicle audio system surround modes |
| 07/27/2005 | EP1557688A1 Acoustic measurement system for locating sources of noise |
| 07/27/2005 | EP1502475B1 Method and system of representing a sound field |
| 07/27/2005 | CN1647582A Loudspeaker with GPS receiver |
| 07/27/2005 | CN1647579A Loudspeaker with shaped sound field |
| 07/21/2005 | WO2005067347A1 Speaker apparatus |
| 07/21/2005 | WO2005067342A1 Method for adjusting adaptation control of adaptive interference canceller |
| 07/21/2005 | WO2005067341A1 Speaker apparatus |
| 07/21/2005 | US20050159945 Noise cancellation system, speech recognition system, and car navigation system |
| 07/21/2005 | US20050159944 Method and system for measuring a system's transmission quality |
| 07/21/2005 | US20050157892 Cabled & wireless dual-purpose microphone |
| 07/21/2005 | US20050157891 Method of digital equalisation of a sound from loudspeakers in rooms and use of the method |
| 07/21/2005 | US20050157830 Mixer apparatus and parameter setting method for the apparatus, and program for the apparatus and method |
| 07/21/2005 | US20050157177 Electronic apparatus including image pick-up means and image pick-up apparatus including recording and reproducing means |
| 07/20/2005 | EP1555535A1 Potential fixing device, potential fixing method, and capacitance mearuing instrument |
| 07/20/2005 | EP1554910A1 Dynamic binaural sound capture and reproduction |
| 07/20/2005 | CN1643975A Digital microphone |
| 07/20/2005 | CN1643784A Modulator- amplifier |
| 07/20/2005 | CN1643571A Nicrophone and voice activity detection (vad) configurations for use with communication systems |
| 07/20/2005 | CN1642363A Vehicle audio system surround modes |
| 07/20/2005 | CN1212045C High eficiency audio frequency transmission channel |
| 07/20/2005 | CN1211919C Loudspeaker driving circuit |
| 07/19/2005 | US6920227 Active noise suppression for a hearing aid device which can be worn in the ear or a hearing aid device with otoplastic which can be worn in the ear |
| 07/19/2005 | US6920224 Deep bass sound booster device |
| 07/19/2005 | US6919503 Musical tone generation control system, musical tone generation control method, and program for implementing the method |
| 07/14/2005 | WO2005064986A1 Audio output apparatus |
| 07/14/2005 | WO2005064900A1 Device for polarisation of a microphone with a low voltage and corresponding radiocommunication device |
| 07/14/2005 | WO2005029908A3 Loudspeaker with single or dual channel input selector and lockout |
| 07/14/2005 | US20050152563 Noise suppression apparatus and method |
| 07/14/2005 | US20050152562 Vehicle audio system surround modes |
| 07/14/2005 | US20050152561 Modulator - amplifier |
| 07/14/2005 | US20050152557 Multi-speaker audio system and automatic control method |
| 07/14/2005 | US20050150713 Integrated acoustic transducer assembly |
| 07/14/2005 | DE10156954B9 Bildgestützte adaptive Akustik Image-guided adaptive acoustic |
| 07/14/2005 | DE10052196B4 Mikrofoneinheit Microphone unit |
| 07/13/2005 | EP1553804A2 Acoustic characteristic adjustment device |
| 07/13/2005 | EP1552719A1 Delay network microphones with harmonic nesting |
| 07/13/2005 | EP1552608A2 Electrical impedance based audio compensation in audio devices and methods therefor |
| 07/13/2005 | CN2710293Y Sound equipment of independent broadcast high middle low sound |
| 07/13/2005 | CN2710227Y Electronic protective circuit device for loudspeaker |
| 07/13/2005 | CN2710100Y 参数显示控制器 Parameter Display Controller |
| 07/13/2005 | CN1640190A Dynamic range compression using digital frequency warping |
| 07/13/2005 | CN1640186A Dynamic carrier system for parametric arrays |
| 07/13/2005 | CN1638535A Audio mixer apparatus and parameter setting method for the apparatus |
| 07/13/2005 | CN1638533A Sound heterodyne apparatus and method |
| 07/13/2005 | CN1638464A Electronic apparatus and image pick-up apparatus |
| 07/13/2005 | CN1637857A Noise eliminating system, sound identification system and vehicle navigation system |
| 07/12/2005 | US6917915 Memory sharing scheme in audio post-processing |
| 07/07/2005 | WO2005062663A1 Audio output level setting method and device |
| 07/07/2005 | WO2005048644A3 System and method for controlling audio output |
| 07/07/2005 | US20050149338 Ultrasonic speaker and audio signal playback control method for ultrasonic speaker |
| 07/07/2005 | US20050147274 Acoustic device |
| 07/07/2005 | US20050147273 Acoustic device |
| 07/07/2005 | US20050147263 Loudspeaker system |
| 07/07/2005 | US20050147261 Head relational transfer function virtualizer |
| 07/07/2005 | US20050147258 Method for adjusting adaptation control of adaptive interference canceller |
| 07/07/2005 | DE10355146A1 Vorrichtung und Verfahren zum Erzeugen eines Tieftonkanals Apparatus and method for generating a low-frequency channel |
| 07/07/2005 | DE10320190B4 Detektionsvorrichtung Detection device |
| 07/06/2005 | EP1551205A1 Head relational transfer function virtualizer |
| 07/06/2005 | EP1551204A2 Speaker system |
| 07/06/2005 | EP1551119A2 Audio mixer apparatus and parameter setting method for the apparatus |
| 07/06/2005 | CN2708562Y Vacuum processing apparatus for wireless microphone |
| 07/06/2005 | CN1636423A Multichannel echo canceller system using active audio matrix coefficients |
| 07/06/2005 | CN1636420A 紧凑的环绕声系统 Compact surround sound system |
| 07/05/2005 | US6914991 Parametric audio amplifier system |
| 06/30/2005 | WO2005060308A1 Dynamic sweet spot tracking |
| 06/30/2005 | WO2005060307A1 Device and method for producing a low-frequency channel |
| 06/30/2005 | US20050141735 Speaker system to control directivity of a speaker unit using a plurality of microphones and a method thereof |
| 06/30/2005 | US20050141732 Amplifying apparatus |
| 06/30/2005 | US20050141727 Apparatus for generating harmonics in an audio signal |
| 06/30/2005 | US20050141724 Loudspeaker positions select infrastructure signal |
| 06/30/2005 | US20050141723 3D audio signal processing system using rigid sphere and method thereof |
| 06/30/2005 | US20050140810 Microphone apparatus, reproducing apparatus, and image taking apparatus |
| 06/30/2005 | US20050140667 Connection device capable of converting a pixel clock to a character clock |
| 06/30/2005 | DE202005003062U1 Resistor network for a surround sound loudspeaker box adapts individual frequency ranges in loudspeaker systems to receive an unhindered current cycle and voltage flow in a power circuit |
| 06/30/2005 | DE202005002151U1 Microphone arrangement, has signal filter positioned between top-end and air chamber |
| 06/30/2005 | DE10392425T5 Audiorückkoppelungsverarbeitungssystem Audio feedback processing system |
| 06/29/2005 | EP1549104A1 Speaker device |
| 06/29/2005 | EP1549060A2 Electronic apparatus including image pick-up means and recording and reproducing means |
| 06/29/2005 | EP1547257A1 System and method for integral transference of acoustical events |
| 06/29/2005 | EP1547246A2 Integrated circuit with automatic polarity detection and configuration |
| 06/29/2005 | CN1633210A A method for realizing crosstalk elimination and filter generation and playing device |
| 06/28/2005 | US6912178 System and method for computing a location of an acoustic source |
| 06/23/2005 | WO2005057984A1 Audio signal processing device and audio signal reproduction system |
| 06/23/2005 | WO2005057551A1 Acoustic signal removal device, acoustic signal removal method, and acoustic signal removal program |
| 06/23/2005 | WO2004082322A3 Apparatus and method of limiting power applied to a loudspeaker |
| 06/23/2005 | US20050137860 Apparatus and method for controlling frequency band considering individual auditory characteristic in a mobile communication system |
| 06/23/2005 | US20050136848 Multi-mode audio processors and methods of operating the same |
| 06/23/2005 | US20050135643 Apparatus and method of reproducing virtual sound |
| 06/23/2005 | US20050135639 Method and apparatus to digitally simulate periodic frequency modulation |
| 06/23/2005 | US20050135637 Intelligibility measurement of audio announcement systems |
| 06/23/2005 | US20050135631 Automatic sound field correcting device and computer program therefor |
| 06/22/2005 | EP1545156A2 Measurement device for measuring the delay time in an acoustic environment and computer program therefor |
| 06/22/2005 | EP1545155A2 Automatic sound field correcting device and computer program therefor |
| 06/22/2005 | EP1545154A2 A virtual surround sound device |
| 06/22/2005 | EP1544635A1 Sound source search system |
| 06/22/2005 | EP1543702A2 Drive mechanism |
| 06/22/2005 | CN1630434A Apparatus and method of reproducing virtual sound |
| 06/22/2005 | CN1630427A A method of bass boosting processing |