| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 09/01/2005 | US20050190935 Car audio equipment |
| 09/01/2005 | US20050190932 Streophonic apparatus having multiple switching function and an apparatus for controlling sound signal |
| 09/01/2005 | US20050190929 Apparatus and method for suppressing feedback |
| 09/01/2005 | US20050190928 Transmitting/receiving system, transmitting device, and device including speaker |
| 08/31/2005 | EP1569497A1 Motional feedback loudspeaker |
| 08/31/2005 | CN1662100A Bass boost circuit and bass boost processing program |
| 08/31/2005 | CN1217518C Complex circuit safety frequency mixing system |
| 08/30/2005 | US6937734 Mute apparatus and mute method |
| 08/25/2005 | WO2005079109A1 Acoustic feedback suppression |
| 08/25/2005 | WO2005079108A1 Acoustic adjustment table |
| 08/25/2005 | US20050187645 Folding electronic device |
| 08/25/2005 | US20050185809 Audio frequency speaker |
| 08/25/2005 | US20050185807 Condenser microphone |
| 08/25/2005 | US20050185805 Parameter setting apparatus for audio mixer, and program therefor |
| 08/25/2005 | US20050185802 Bass boost circuit and bass boost processing program |
| 08/25/2005 | US20050185800 Parametric sound system with lower sideband |
| 08/25/2005 | US20050184807 Single supply direct drive amplifier |
| 08/25/2005 | US20050184706 Hybrid capacitor module for car audio system |
| 08/25/2005 | DE10392880T5 Rauschunterdrückungssystem und Kopfhörer hierfür Noise reduction system and headphones for this |
| 08/24/2005 | EP1566950A1 Folding electronic device with pair of speakers and state dependent allocation of right and left channel |
| 08/24/2005 | EP1566796A2 Method and apparatus for separating a sound-source signal and method and device for detecting pitch |
| 08/24/2005 | CN1659927A Method of digital equalisation of a sound from loudspeakers in rooms and use of the method |
| 08/24/2005 | CN1659926A Method and system of representing a sound field |
| 08/24/2005 | CN1659608A Multi-section decoding lens |
| 08/24/2005 | CN1659507A Apparatus and method for adapting audio signal |
| 08/24/2005 | CN1658629A Folding electronic device |
| 08/24/2005 | CN1658283A Method and apparatus for separating sound-source signal and method and device for detecting pitch |
| 08/24/2005 | CN1216364C Equipment with acoustic output device and control method thereof |
| 08/23/2005 | US6934397 Method and device for signal separation of a mixed signal |
| 08/18/2005 | WO2005076663A1 Audio system having reverberation reducing filter |
| 08/18/2005 | WO2005076662A1 Audio system providing for filter coefficient copying |
| 08/18/2005 | WO2005076661A1 Mobile body with superdirectivity speaker |
| 08/18/2005 | WO2005076660A1 Mobile body with superdirectivity speaker |
| 08/18/2005 | WO2005076659A1 Method and device for the separation of sound signals |
| 08/18/2005 | WO2005076468A1 Amplifier and acoustic system |
| 08/18/2005 | WO2005076466A1 Digital microphone |
| 08/18/2005 | US20050180591 Speaker |
| 08/18/2005 | US20050180587 Equalizable active electroacoustic device for panels, and method of converting the panels and assembling the devices |
| 08/18/2005 | US20050180582 A System and Method for Utilizing Disjoint Audio Devices |
| 08/18/2005 | US20050180578 Apparatus and method for adapting audio signal |
| 08/18/2005 | US20050180577 Loudspeaker array system |
| 08/18/2005 | US20050179701 Dynamic sound source and listener position based audio rendering |
| 08/18/2005 | DE4308961B4 Aktives, akustisch wirksames Wandelement mit vorgebbarer akustischer Impedanz Active, acoustically effective wall element with arbitrary acoustic impedance |
| 08/18/2005 | DE102004010867B3 Matching phases of microphones of hearing aid directional microphone involves matching second signal level to first by varying transition time of output signal from microphone without taking into account sound source position information |
| 08/18/2005 | DE10140523B4 Vorrichtung zum Feedback Cancelling bei der Ausgabe von Mikrofonsignalen durch Lautsprecher Apparatus for canceling feedback on the issue of microphone signals by speaker |
| 08/17/2005 | EP1565035A2 Dynamic sound source and listener position based audio rendering |
| 08/17/2005 | EP1565033A1 Loudspeaker with a magnetic circuit arranged at front side of diaphragm and a crossover network element behind the membrane and attached to the frame |
| 08/17/2005 | EP1564980A1 Acoustic echo canceller |
| 08/17/2005 | EP1564561A1 Detecting connectivity of a speaker |
| 08/17/2005 | EP1563706A2 A high intensity directional electroacoustic sound generating system for communications targeting |
| 08/17/2005 | EP1563555A2 Applications of nano-enabled large area macroelectronic substrates incorporating nanowires and nanowire composites |
| 08/17/2005 | CN2718924Y Multimedia microphone apparatus |
| 08/17/2005 | CN2718896Y Sound volume controller |
| 08/17/2005 | CN1655649A Detecting connectivity of a speaker |
| 08/17/2005 | CN1655646A Sound pickup apparatus and method of the same |
| 08/17/2005 | CN1655645A Loudspeaker and apparatus using loudspeaker |
| 08/16/2005 | US6931138 Zoom microphone device |
| 08/16/2005 | US6931135 Frequency dependent excursion limiter |
| 08/16/2005 | US6930957 Method for directional location and locating system |
| 08/11/2005 | WO2005074317A1 Microphone aperture |
| 08/11/2005 | WO2005073073A1 Mouth mask for underwater communication |
| 08/11/2005 | WO2005072349A2 Method and apparatus for spatially enhancing the stereo image in sound reproduction and reinforcement systems |
| 08/11/2005 | US20050177606 Method and system of representing a sound field |
| 08/11/2005 | US20050175197 Audio reproduction system and method for reproducing an audio signal |
| 08/11/2005 | US20050175195 Detecting connectivity of a speaker |
| 08/11/2005 | US20050175193 Method for designing a modal equalizer for a low frequency audible range especially for closely positioned modes |
| 08/11/2005 | US20050175192 Noise cancellation |
| 08/11/2005 | US20050175190 Self-descriptive microphone array |
| 08/11/2005 | US20050175189 Dual microphone communication device for teleconference |
| 08/11/2005 | US20050172788 Reproduction controller, reproduction control method, program for the same, and recording medium with the program recorded therein |
| 08/10/2005 | EP1562403A1 Audio signal processing method and processing device |
| 08/10/2005 | EP1562176A1 Reproducing rhythm controller, reproduction rhythm control method, program for the same and recording medium with program recorded therein |
| 08/10/2005 | EP1540646A4 Voice controlled system and method |
| 08/10/2005 | CN1214690C 5-2-5 Matrix encoder and decoder system |
| 08/09/2005 | US6928177 Speaker-use protection element and speaker device |
| 08/09/2005 | US6928176 Switching circuit built in IC for earphone and loudspeaker of portable information device |
| 08/09/2005 | US6928173 Capacitor microphone |
| 08/09/2005 | US6928172 Automatic sound field correcting system |
| 08/09/2005 | US6928170 Wireless microphone having a split-band audio frequency companding system that provides improved noise reduction and sound quality |
| 08/09/2005 | US6926671 Ultrasonic imaging apparatus and method |
| 08/04/2005 | WO2005071831A1 Audio speaker including impedance matching circuit |
| 08/04/2005 | US20050169493 Loudspeaker array system |
| 08/04/2005 | US20050169490 Microphone for hearing aid and communications applications having switchable polar and frequency response characteristics |
| 08/04/2005 | US20050169488 Acoustic characteristic adjustment device |
| 08/04/2005 | US20050169487 Directional microphone array system |
| 08/04/2005 | US20050169483 Analog preamplifier measurement for a microphone array |
| 08/03/2005 | EP1560460A1 Linear array loudspeaker and method for positioning of transducers |
| 08/03/2005 | EP0983678B1 Method and device for reducing multi-channel acoustic echo and adapting sound to space conditions |
| 08/03/2005 | CN1650528A Multi-channel downmixing device |
| 08/03/2005 | CN1649447A 超低噪音助听器电路 Ultra-low noise hearing aid circuit |
| 08/03/2005 | CN1648690A Integrated acoustic transducer assembly |
| 08/02/2005 | US6925426 Process for high fidelity sound recording and reproduction of musical sound |
| 08/02/2005 | US6925296 Sound-based proximity detector |
| 08/02/2005 | US6924753 Robust system for transmitting and receiving map data |
| 07/28/2005 | WO2005069685A1 Intelligibility testing for monitoring or public address systems |
| 07/28/2005 | WO2005069679A2 Audio signal enhancement |
| 07/28/2005 | WO2005069279A1 Multi-mode audio processors and methods of operating the same |
| 07/28/2005 | WO2005069275A1 Systems and methods for automatically equalizing audio signals |
| 07/28/2005 | US20050163330 Acoustic measuring system for locating noise sources |
| 07/28/2005 | US20050163329 Method and apparatus for spatially enhancing the stereo image in sound reproduction and reinforcement systems |