| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 06/07/2007 | US20070127742 Output coupling capacitor free audio power amplifier dynamically configured for speakers and headphones with excellent click and pop performance |
| 06/07/2007 | US20070127741 Receiver |
| 06/07/2007 | US20070127740 Sound reproduction in portable electronic equipment |
| 06/07/2007 | US20070127738 Audio signal processing device and audio signal reproduction system |
| 06/07/2007 | US20070127736 Handsfree system for use in a vehicle |
| 06/07/2007 | US20070127732 Distributed stereo system |
| 06/07/2007 | US20070127731 Selective audio signal enhancement |
| 06/06/2007 | EP1793645A2 Acoustical feedback suppression for audio amplification systems |
| 06/06/2007 | EP1552608A4 Electrical impedance based audio compensation in audio devices and methods therefor |
| 06/06/2007 | DE102005058175A1 Lautsprecheranordnung zur Beschallung in einem Kraftfahrzeug Loudspeaker arrangement for sound reinforcement in a motor vehicle |
| 06/06/2007 | CN2909752Y Portable miniature loudspeaker box |
| 06/06/2007 | CN1976544A Capacitive load driving circuit, electrostatic transducer, ultrasonic speaker |
| 06/06/2007 | CN1976543A 半导体集成电路 The semiconductor integrated circuit |
| 06/06/2007 | CN1975908A Multi-track digital recording and reproducing device, method and programme |
| 06/06/2007 | CN1320782C Echo processing apparatus |
| 06/05/2007 | US7227963 Audio signal processing apparatus |
| 06/05/2007 | US7227960 Robot and controlling method of the same |
| 06/05/2007 | US7227959 Multi-channel digital feedback reducer system |
| 06/05/2007 | US7227565 Electronic apparatus equipped with image capturing device and microphone |
| 05/31/2007 | US20070121970 Electrostatic transducer, ultrasonic speaker, driving circuit of capacitive load, method of setting circuit constant, display device, and directional sound system |
| 05/31/2007 | US20070121969 Electrostatic transducer, driving circuit of capacitive load, method for setting circuit constant, ultrasonic speaker, display device and directional acoustic system |
| 05/31/2007 | US20070121968 Ultra directional speaker system and signal processing method thereof |
| 05/31/2007 | US20070121967 Hearing aid with large diaphragm microphone element including a printed circuit board |
| 05/31/2007 | US20070121964 First-order loudspeaker crossover network |
| 05/31/2007 | US20070121956 Device and method for integrating sound effect processing and active noise control |
| 05/30/2007 | EP1791390A2 Ultra directional speaker system and signal processing method thereof |
| 05/30/2007 | EP1790194A1 Audio/visual apparatus with ultrasound |
| 05/30/2007 | EP1684467B1 Power saving via variable listen intervals in a WLAN |
| 05/30/2007 | CN2907148Y Dedicated microphone gain increasing processor for KTV |
| 05/30/2007 | CN2907142Y Kara OK power amplifier |
| 05/30/2007 | CN1972530A Electrostatic transducer, ultrasonic speaker, driving circuit of capacitive load |
| 05/30/2007 | CN1972525A Ultra directional speaker system and signal processing method thereof |
| 05/30/2007 | CN1972524A Music file playing method and apparatus |
| 05/30/2007 | CN1971709A Noise elimination system, voice identification system and automobile navigation system |
| 05/30/2007 | CN1971454A Output control method of audio device |
| 05/30/2007 | CN1319411C Method and arrangement for voice communication |
| 05/29/2007 | US7224811 Audio system utilizing personal computer |
| 05/29/2007 | US7224809 Method for the acoustic localization of persons in an area of detection |
| 05/29/2007 | US7224808 Dynamic carrier system for parametric arrays |
| 05/29/2007 | US7224738 Method of high-frequency signal transmission |
| 05/29/2007 | US7224385 Video camera with multiple microphones and audio processor producing one signal for recording |
| 05/29/2007 | US7224219 Modulator-amplifier |
| 05/29/2007 | CA2475183C A method to reduce acoustic coupling in audio conferencing systems |
| 05/29/2007 | CA2228051C Acoustic correction apparatus |
| 05/24/2007 | WO2007059255A1 Dual-microphone spatial noise suppression |
| 05/24/2007 | WO2007058130A1 Teleconference device and sound emission/collection device |
| 05/24/2007 | WO2007058121A1 Reverberation suppressing method, device, and reverberation suppressing program |
| 05/24/2007 | WO2007058056A1 Ultrasound diagnostic apparatus and method of calibrating the same |
| 05/24/2007 | US20070118857 System and method of recording video content |
| 05/24/2007 | US20070116306 Dynamic sweet spot tracking |
| 05/24/2007 | US20070116300 Channel decoding for wireless telephones with multiple microphones and multiple description transmission |
| 05/23/2007 | EP1788846A1 Audio reproducing system |
| 05/23/2007 | EP1788837A1 Electronic device and sound level control method |
| 05/23/2007 | CN1968546A Electrostatic transducer, driving circuit of capacitive load, method for setting circuit constant |
| 05/23/2007 | CN1968543A Multi-channel audio player and its control method |
| 05/23/2007 | CN1968542A Loud-speaker with multi-way power output |
| 05/23/2007 | CN1967940A Handheld device with loudhailer as antenna |
| 05/22/2007 | US7221766 Microphone input buffer biasing circuit |
| 05/22/2007 | US7221622 Speaker distance detection apparatus using microphone array and speech input/output apparatus |
| 05/18/2007 | WO2007056613A2 Diagnostic circuit |
| 05/18/2007 | WO2007054888A2 Device for and method of generating a vibration source-driving-signal |
| 05/17/2007 | US20070110268 Array speaker apparatus |
| 05/17/2007 | US20070110263 Voice activity detection with adaptive noise floor tracking |
| 05/17/2007 | US20070110257 Microphone array with physical beamforming using omnidirectional microphones |
| 05/17/2007 | US20070110252 Diagnostic circuit |
| 05/16/2007 | EP1786236A1 Complementary-pair equalizer |
| 05/16/2007 | EP1784816A2 Headset for separation of speech signals in a noisy environment |
| 05/16/2007 | CN1965609A Ultrasonic transducer and ultrasonic speaker using the same |
| 05/16/2007 | CN1965608A Sound device provided with a geometric and electronic radiation control |
| 05/16/2007 | CN1964486A A method to quantify difference for video code processing and its device |
| 05/16/2007 | CN1963742A Connecting line of USB interface with amplifier of microphone |
| 05/16/2007 | CN1316770C Sound signal processor |
| 05/15/2007 | US7218741 System and method for adaptive multi-sensor arrays |
| 05/15/2007 | CA2301062C A distributed stereo system |
| 05/10/2007 | WO2007052726A1 Teleconference device |
| 05/10/2007 | WO2007052636A1 Audio output system control method and audio output system |
| 05/10/2007 | WO2007052604A1 Sound collecting device |
| 05/10/2007 | WO2007052374A1 Voice signal transmitting/receiving apparatus |
| 05/10/2007 | US20070106941 System and method of providing audio content |
| 05/10/2007 | US20070104338 Amplifier Arrangement and Distributed Audio System |
| 05/10/2007 | DE102005032274B4 Hörvorrichtung und entsprechendes Verfahren zur Eigenstimmendetektion Hearing apparatus and corresponding method for detection eigenvoices |
| 05/09/2007 | CN2899363Y Controller of reverberating unit |
| 05/09/2007 | CN2899358Y High-frequency loundspeaker protector |
| 05/09/2007 | CN1961611A Acoustical signal processing apparatus |
| 05/09/2007 | CN1961607A 等离子体显示装置 The plasma display apparatus |
| 05/09/2007 | CN1960579A Device inside automobile wheelhouse for monitoring horn sounds of other vehicles |
| 05/09/2007 | CN1960577A Portable audio drive unit |
| 05/09/2007 | CN1960175A Method and apparatus to control output power of a power amplifier and audio player having the same |
| 05/08/2007 | US7215788 Digital loudspeaker |
| 05/08/2007 | US7215787 Digital audio precompensation |
| 05/08/2007 | US7215527 MEMS digital-to-acoustic transducer with error cancellation |
| 05/03/2007 | WO2007049644A1 Echo suppressing method and device |
| 05/03/2007 | WO2007049643A1 Echo suppressing method and device |
| 05/03/2007 | WO2007049200A1 A device for and a method of audio data processing |
| 05/03/2007 | WO2007049091A1 Vibration motor as a transducer of audio |
| 05/03/2007 | WO2007048692A1 Method for the estimation of a transmission function by means of an adaptive algorithm, and method for carrying out said method |
| 05/03/2007 | WO2007048682A1 Method for determining a transmission function, and device for carrying out said method |
| 05/03/2007 | WO2007004188A3 Apparatus and method for acoustic beamforming |
| 05/03/2007 | WO2006031304A3 Single supply direct drive amplifier |
| 05/03/2007 | US20070100605 Method for processing audio-signals |