Patents for H04R 3 - Circuits for transducers (18,190)
09/2005
09/28/2005EP1581026A1 Method for detecting and reducing noise from a microphone array
09/28/2005EP1580911A2 Mixing apparatus, mixing method, and mixing program
09/28/2005EP1580910A2 Audio-related system node instantiation
09/28/2005EP1580884A1 Dynamic equalizing
09/28/2005EP1579728A1 Microphone system with directional response
09/28/2005EP1502475B8 Method and system of representing a sound field
09/28/2005EP1391138B1 Method of generating an electrical output signal and acoustical/electrical conversion system
09/28/2005CN1675959A Loudspeaker arrangement
09/28/2005CN1675958A 自动风噪声减小电路及其方法 Automatic wind noise reduction circuit and method
09/28/2005CN1675833A Ring triggered mute
09/28/2005CN1675627A Identification system and method for recognizing any one of a number of different types of devices
09/28/2005CN1674719A 扬声器 Speaker
09/28/2005CN1674451A Dynamic equalizing technology
09/27/2005US6950528 Method and apparatus for suppressing an acoustic interference signal in an incoming audio signal
09/27/2005US6950513 Impulse response setting method for the 2-channel echo canceling filter, a two-channel echo canceller, and a two-way 2-channel voice transmission device
09/27/2005US6950036 Station identification for a local area augmentation system on a visual display
09/22/2005WO2005089018A1 Stereophonic reproducing system and stereophonic reproducing device
09/22/2005WO2005089011A2 Input signal dependent signal conditioning
09/22/2005WO2005081576B1 Loudspeaker surround system
09/22/2005US20050207600 Speaker
09/22/2005US20050207598 Speaker system
09/22/2005US20050207597 Mixing apparatus, mixing method, and mixing program
09/22/2005US20050207595 Microphone apparatus built in computer network
09/22/2005US20050207594 Sound signal processing apparatus and sound signal processing method
09/22/2005US20050207593 Modular loudspeaker
09/22/2005US20050207592 Apparatus and method of determining an impulse response and apparatus and method of presenting an audio piece
09/22/2005US20050207588 Focused hypersonic communication
09/22/2005US20050207584 System for limiting loudspeaker displacement
09/22/2005US20050207582 Test apparatus, test method, and computer program
09/22/2005US20050207568 Low echo communicating apparatus and communicating method thereof
09/22/2005US20050207566 Sound pickup apparatus and method of the same
09/22/2005US20050207332 Picture/sound output device with automatic output adjustment function
09/22/2005DE102005009785A1 Simultan-Audiowiedergabegerät Simultaneous audio playback device
09/22/2005DE102005009070A1 Process for improving sound reproduction via loudspeaker in noisy areas, e.g. in a motor vehicle passenger compartment, comprises modifying the amplitude/frequency response of an audio signal as a function of the disturbing noise
09/22/2005DE102005000818A1 Rauschunterdrückungssystem, Spracherkennungssystem und Fahrzeug-Navigationssystem Noise reduction system, speech recognition system, and vehicle navigation system
09/21/2005EP1578170A2 Test apparatus, test method, and computer program
09/21/2005EP1578169A1 Method and device for measuring sound wave propagation time between loudspeaker and microphone
09/21/2005EP1576847A1 Audio playback system and method for playing back an audio signal
09/21/2005EP1051879B1 Audio signal processors
09/21/2005CN2728149Y Radio FM earphone with read repeat function
09/21/2005CN2728144Y Stereo radio accompaniment microphone
09/21/2005CN1672462A Signal strength information dependent control of small electrodynamic transducers in audio systems
09/21/2005CN1672458A Electroacoustic transducer with built in transducer circuit
09/21/2005CN1672325A Acoustical virtual reality engine and advanced techniques for enhancing delivered sound
09/21/2005CN1671253A Test apparatus, test method, and computer program
09/21/2005CN1670823A Method for detecting and reducing noise from a microphone array
09/20/2005US6947570 Method for analyzing an acoustical environment and a system to do so
09/20/2005US6947569 Audio signal processing device, interface circuit device for angular velocity sensor and signal processing device
09/20/2005US6947567 Audio boost circuit
09/20/2005US6947550 Acoustic echo cancellation
09/17/2005CA2497859A1 Method for detecting and reducing noise via a microphone array
09/15/2005WO2005086526A1 Method of creating a sound field
09/15/2005WO2005086525A1 Filter circuit and reproduction device using the same
09/15/2005WO2005011323A3 Self-adjustment of acoustic and light amplitudes
09/15/2005US20050201204 High precision beamsteerer based on fixed beamforming approach beampatterns
09/15/2005DE102004009171A1 Circuit structure for suppressing low frequency interference voltages in microphones, e.g. pop or wind noise, feeds microphone voltage to a voltage current current transformer
09/14/2005EP1575332A1 Resonance frequency sensing method, resonance frequency selecting method, and resonance frequency sensor
09/14/2005EP1575331A2 Beamsteerer
09/14/2005EP1575164A2 Sound signal processing apparatus and sound signal processing method
09/14/2005EP1575034A1 Input sound processor
09/14/2005EP1362342A4 A voice command identifier for a voice recognition system
09/14/2005EP1097510A4 Capacitor-less crossover network for electro-acoustic loudspeakers
09/14/2005CN1669356A Electronic devices, methods of operating the same, and computer program products for detecting noise in a signal based on a combination of spatial correlation and time correlation
09/14/2005CN1667702A Input sound processor
09/13/2005US6944302 Sound reproducing system
09/13/2005US6943734 Multi-band omni directional antenna
09/08/2005US20050196010 Electret condenser microphone for noise isolation and electrostatic discharge protection
09/08/2005US20050195998 Simultaneous audio playback device
09/08/2005US20050195994 Apparatus and method for improving voice clarity
09/08/2005US20050195993 Method and apparatus of compensating for speaker distortion in an audio apparatus
09/08/2005US20050195992 Input sound processor
09/08/2005US20050195990 Method and apparatus for separating sound-source signal and method and device for detecting pitch
09/08/2005US20050195989 Robot
09/08/2005US20050195988 System and method for beamforming using a microphone array
09/08/2005US20050195984 Sound reproducing method and apparatus
09/08/2005US20050195982 Method for predicting loudspeaker preference
09/07/2005EP1571885A1 Audio signal reproducing method and reproducing apparatus
09/07/2005EP1571884A2 Sound reproducing method and apparatus
09/07/2005EP1571881A2 Method and device for adapting the phase of microphones in a directional hearing-aid
09/07/2005EP1571875A2 A system and method for beamforming using a microphone array
09/07/2005EP1571874A2 Electret condenser microphone for noise isolation and electrostatic discharge protection
09/07/2005EP1571870A1 Array speaker equipped with projection screen
09/07/2005EP1571753A1 Method and apparatus of compensating for speaker distortion in an audio apparatus
09/07/2005EP1570573A1 A fully parametric equalizer
09/07/2005EP1348314A4 Directional microphone
09/07/2005CN2724343Y Moving-oil microphone suitable for multiple interface circuit
09/07/2005CN2724340Y Clock lamp speaker
09/07/2005CN2724091Y Computer acoustic amplifier
09/07/2005CN1666495A Stationary spectral power dependent audio enhancement system
09/07/2005CN1665350A Method and apparatus for matching phase of audiphone directional microphone
09/07/2005CN1665348A Electret condenser microphone for noise isolation and electrostatic discharge protection
09/07/2005CN1664921A Sound reproducing method and apparatus
09/07/2005CN1664610A System and method for beamforming using a microphone array
09/06/2005US6940981 Apparatus and method of limiting power applied to a loudspeaker
09/02/2005CA2499033A1 A system and method for beamforming using a microphone array
09/01/2005WO2005081578A1 First-order loudspeaker crossover network
09/01/2005WO2005081577A1 Howling detection method, device, and acoustic device using the same
09/01/2005WO2005081576A1 Loudspeaker surround system
09/01/2005WO2005081575A1 Projector equipped with ultrasonic speaker, and method for displaying sound reproduction range in projector
09/01/2005US20050192685 Direct digital drive audio system and method