| Patents for H04R 3 - Circuits for transducers (18,190) |
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| 06/06/2013 | WO2013079781A1 Apparatus and method for audio reactive ui information and display |
| 06/06/2013 | WO2013079568A1 Apparatus and method for microphone positioning based on a spatial power density |
| 06/06/2013 | WO2013079004A1 Preamplifier circuit for microphone |
| 06/06/2013 | WO2013078916A1 Amplifying loudspeaker apparatus |
| 06/06/2013 | WO2013006700A3 Processing audio signals |
| 06/06/2013 | US20130142357 Method for visualizing sound source energy distribution in echoic environment |
| 06/06/2013 | US20130142356 Near-field null and beamforming |
| 06/06/2013 | US20130142355 Near-field null and beamforming |
| 06/06/2013 | US20130142343 Sound source separation device, sound source separation method and program |
| 06/06/2013 | US20130142337 Method and apparatus to shape sound |
| 06/06/2013 | DE102011087692A1 Method for enhancement of perceptibility of environment sound for user of hearing device e.g. hearing aid, involves superimposing overlay signal on to reinforcing portion of input signal using additive to produce output signal |
| 06/06/2013 | DE102011087676A1 Verfahren und Vorrichtung zur Überprüfung einer Lautsprecheranordnung Method and apparatus for verifying a speaker assembly |
| 06/06/2013 | DE102011006129B4 Hörvorrichtung mit Rückkopplungsunterdrückungseinrichtung und Verfahren zum Betreiben der Hörvorrichtung Hearing device with feedback suppression device and method of operating the hearing |
| 06/06/2013 | DE102010025918B4 Verfahren zum Betrieb eines Hörgeräts und Hörgerät mit variabler Frequenzverschiebung Method for operating a hearing device and the hearing aid with variable frequency shift |
| 06/06/2013 | CA2857611A1 Apparatus and method for microphone positioning based on a spatial power density |
| 06/05/2013 | EP2600637A1 Apparatus and method for microphone positioning based on a spatial power density |
| 06/05/2013 | EP2600636A1 Distortion reduction for small loudspeakers by band limiting |
| 06/05/2013 | EP2600344A1 Multi-input noise suppresion device, multi-input noise suppression method, program, and integrated circuit |
| 06/05/2013 | EP2599330A1 Systems, methods, and apparatus for enhanced creation of an acoustic image space |
| 06/05/2013 | EP2599329A2 Systems, methods, apparatus, and computer-readable media for multi-microphone location-selective processing |
| 06/05/2013 | EP2599328A1 Electronic apparatus for generating beamformed audio signals with steerable nulls |
| 06/05/2013 | CN202979272U Portable noise-reduction sounder |
| 06/05/2013 | CN202979266U Bluetooth session handle with long battery life |
| 06/05/2013 | CN202979265U Multifunctional practical stereo |
| 06/05/2013 | CN202979264U Capacitive handheld microphone for singing |
| 06/05/2013 | CN202979263U Wireless microphone emitter with USB (universal serial bus) charging interface |
| 06/05/2013 | CN202979262U Audio system |
| 06/05/2013 | CN202979261U Adjustable gain microphone |
| 06/05/2013 | CN202979260U Device for automatically matching earphone mode |
| 06/05/2013 | CN202979259U Speech signal processing system based on microphone array |
| 06/05/2013 | CN202979258U Intelligent broadband noise reduction headphone |
| 06/05/2013 | CN202979252U Sound equipment |
| 06/05/2013 | CN202979251U Earphone device with novel switch structure |
| 06/05/2013 | CN202979240U Earphone device, electronic device, and receiver device |
| 06/05/2013 | CN202979229U Wireless microphone receiver with USB (universal serial bus) charging interfaces |
| 06/05/2013 | CN202978912U Intelligent public address system |
| 06/05/2013 | CN103139689A Device and method for eliminating popping sound of earphone |
| 06/05/2013 | CN103139688A Method, device and hearing-aid for eliminating environmental noise |
| 06/05/2013 | CN103139687A Sound frequency special effect editor based on acoustic parametric array acoustic beam reflection |
| 06/05/2013 | CN103139686A Sound system circuit board |
| 06/05/2013 | CN103139685A Audio signal processing device of optical fiber monitoring system |
| 06/05/2013 | CN103139684A Earphone hearing aiding protective device |
| 06/05/2013 | CN103139677A Audio headset with active noise control of the non-adaptive type for listening to an audio music source and/or for "hands-free" telephony functions |
| 06/05/2013 | CN103139673A Bluetooth small loudspeaker box |
| 06/05/2013 | CN103139512A Device, method and display equipment for audio dual output |
| 06/05/2013 | CN103138695A Audio amplification circuit |
| 06/05/2013 | CN101742383B Device and method for eliminating plosives of headset |
| 06/05/2013 | CN101630802B Headphone jack structure |
| 06/05/2013 | CN101616351B Noise reduction audio reproducing device and noise reduction audio reproducing method |
| 06/04/2013 | US8457332 Microphone and orientation sensor assembly |
| 06/04/2013 | CA2653803C System and method for a sound masking system for networked workstations or offices |
| 05/30/2013 | WO2013078474A1 Processing signals |
| 05/30/2013 | WO2013076611A1 Method and apparatus for configuration and control of mixer for audio system using wireless docking system |
| 05/30/2013 | WO2013076223A1 System and method for bass enhancement |
| 05/30/2013 | WO2013075848A1 System and method for signal level detection |
| 05/30/2013 | US20130136276 Method and apparatus for receiving and playing a signal in a radio receiver |
| 05/30/2013 | US20130136274 Processing Signals |
| 05/30/2013 | US20130136273 Real-time quality monitoring of speech and audio signals in noisy reverberant environments for teleconferencing systems |
| 05/30/2013 | US20130136267 Microphone and Method for Calibrating a Microphone |
| 05/29/2013 | EP2597894A1 Vibration device and electronic device |
| 05/29/2013 | EP2597893A1 Acoustic apparatus and oscillating unit |
| 05/29/2013 | EP2597892A1 Vibration device |
| 05/29/2013 | EP2596645A1 Driving of parametric loudspeakers |
| 05/29/2013 | DE102012221795A1 Mikrofon und Verfahren zum Kalibrieren eines Mikrofons A method of calibrating a microphone and a microphone |
| 05/29/2013 | CN202957962U Novel vehicle-mounted multimedia player |
| 05/29/2013 | CN202957961U Digital sound amplifying circuit |
| 05/29/2013 | CN202957960U High-fidelity (Hi-Fi) audio switching device |
| 05/29/2013 | CN202957959U Key tone circuit for automobile radio cassette player |
| 05/29/2013 | CN202957954U Earphone |
| 05/29/2013 | CN202957952U Bluetooth headset |
| 05/29/2013 | CN202957951U Microphone in high signal-to-noise ratio |
| 05/29/2013 | CN202957790U Bass intensifier and sounding device |
| 05/29/2013 | CN101815232B Audio device and audio output/input method |
| 05/28/2013 | US8452027 Audio conference system |
| 05/28/2013 | US8452019 Testing and calibration for audio processing system with noise cancelation based on selected nulls |
| 05/28/2013 | US8450907 Sound generator for use in parametric array |
| 05/23/2013 | WO2013075070A1 Processing audio signals |
| 05/23/2013 | WO2013073703A1 Acoustic signal processing device and parameter adjustment method |
| 05/23/2013 | WO2013073560A1 Directional speaker device |
| 05/23/2013 | WO2013073008A1 Sound output device and output sound control method |
| 05/23/2013 | WO2013072792A1 Method and device for reducing acoustic feedback |
| 05/23/2013 | US20130129117 Audio amplification circuit |
| 05/23/2013 | US20130129113 Sound source signal filtering apparatus based on calculated distance between microphone and sound source |
| 05/23/2013 | US20130129107 Voice acquisition system for vehicle |
| 05/23/2013 | US20130129101 Multichannel acoustic echo reduction |
| 05/23/2013 | DE102011086728A1 Hörvorrichtung mit einer Einrichtung zum Verringern eines Mikrofonrauschens und Verfahren zum Verringern eines Mikrofonrauschens The hearing device comprising means for reducing a noise microphone and method for reducing noise of a microphone |
| 05/23/2013 | DE102006035573B4 Verfahren zum Betreiben eines Lautsprechers und Audio-Anlage A method for operating a speaker and an audio system |
| 05/22/2013 | EP2594092A1 A method and apparatus for stereo enhancement of an audio system |
| 05/22/2013 | EP2594087A1 Electronic apparatus for generating modified wideband audio signals based on two or more wideband microphone signals |
| 05/22/2013 | DE202013101280U1 Eine Audioschaltung An audio circuit |
| 05/22/2013 | CN202949553U Sound receiving device |
| 05/22/2013 | CN202949534U Dedicated wireless microphone of all-in-one machine |
| 05/22/2013 | CN1650528B Multi-channel downmixing device |
| 05/22/2013 | CN103119962A Microphone unit and sound pickup device |
| 05/22/2013 | CN103119642A Audio output device and audio output method |
| 05/22/2013 | CN103118317A Voice frequency amplifying circuit |
| 05/22/2013 | CN103118311A Tour earphone |
| 05/22/2013 | CN103117064A Processing signals |
| 05/22/2013 | CN102006534B Directivity optimization method for loudspeaker array |
| 05/22/2013 | CN101860780B Output indicator for sound box |