Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 3 - Circuits for transducers
Patents for H04R 3 - Circuits for transducers (18,190)
10/2014
10/23/2014US20140311499 Headset to provide noise reduction
10/21/2014US8869032 Telecom web browsers, and methods for defining a telecom web browser
10/21/2014US8868418 Receiver intelligibility enhancement system
10/21/2014US8868417 Handset intelligibility enhancement system using adaptive filters and signal buffers
10/21/2014US8868413 Accelerometer vector controlled noise cancelling method
10/21/2014US8867773 Audio processing device
10/21/2014US8867771 Portable vibration speaker
10/21/2014US8867765 Antenna used in conjunction with the conductors for an audio transducer
10/21/2014US8867759 System and method for utilizing inter-microphone level differences for speech enhancement
10/21/2014US8867757 Microphone under keyboard to assist in noise cancellation
10/16/2014US20140307910 Microphone biasing circuitry and method thereof
10/16/2014US20140307895 Acoustic set comprising a speaker with controlled and variable directivity
10/16/2014US20140307894 Method and apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an ambisonics representation of the sound field
10/16/2014US20140307893 Digital Audio Routing System
10/16/2014US20140307888 Systems and methods for multi-mode adaptive noise cancellation for audio headsets
10/16/2014US20140307887 Systems and methods for hybrid adaptive noise cancellation
10/16/2014US20140307886 Method And A System For Noise Suppressing An Audio Signal
10/16/2014US20140307885 Differential outputs in multiple motor mems devices
10/16/2014US20140307883 Method for determining a set of filter coefficients for an acoustic echo compensator
10/16/2014US20140307882 Acoustic echo cancellation with internal upmixing
10/14/2014US8862189 Portable electronic device, sound output method, and sound output program
10/14/2014US8861765 Microphone component and method for operating same
10/14/2014US8861759 Feedback suppression device and method for periodic adaptation of a feedback suppression device
10/14/2014US8861757 Apparatus and method for calculating driving coefficients for loudspeakers of a loudspeaker arrangement and apparatus and method for providing drive signals for loudspeakers of a loudspeaker arrangement based on an audio signal associated with a virtual source
10/14/2014US8861756 Microphone array system
10/14/2014US8861753 Acoustic transducer, and microphone using the acoustic transducer
10/14/2014US8861750 Mobile tele-presence system with a microphone system
10/14/2014US8861745 Wind noise mitigation
10/14/2014US8861742 Masker sound generation apparatus and program
10/14/2014US8861740 Automatic computer audio input and output control
10/14/2014US8860822 Imaging device
10/14/2014US8859866 Keyboard instrument
10/14/2014US8857559 Speaker cabinet and method for fabrication
10/09/2014WO2014164233A1 Reducing audio distortion in an audio system
10/09/2014WO2014163780A2 Apparatus with adaptive microphone configuration based on surface proximity, surface type and motion
10/09/2014WO2014163739A1 Method and apparatus for detecting and controlling the orientation of a virtual microphone
10/09/2014WO2014162408A1 Headphones
10/09/2014WO2014162171A1 Visual audio processing apparatus
10/09/2014WO2014161091A1 Unified communications system and method
10/09/2014US20140301572 Systems and methods for compressing a digital signal in a digital microphone system
10/09/2014US20140301571 Systems and methods for generating a digital output signal in a digital microphone system
10/09/2014US20140301569 Active noise equalization
10/09/2014US20140301567 Method for providing a compensation service for characteristics of an audio device using a smart device
10/09/2014US20140301565 Vehicle Sound Signal and Method
10/09/2014US20140301564 System and Method for Identification and Management of Audio Streams in a Live Sound Environment
10/09/2014US20140301557 Gaming system and method for dynamic noise suppression
10/09/2014US20140301555 Blind extraction of target signals
10/09/2014DE102014206348A1 Mikrofoneinheit und Trommelzubehöreinheit Microphone and drum accessory unit
10/08/2014EP2787746A1 Apparatus and method for improving the audibility of specific sounds to a user
10/08/2014EP2786593A1 Apparatus and method for microphone positioning based on a spatial power density
10/08/2014EP2786243A1 Apparatus and method for audio reactive ui information and display
10/07/2014US8855565 Terminal device and application control method
10/07/2014US8855354 Electroacoustic transducer with wireless charging coil
10/07/2014US8855341 Systems, methods, apparatus, and computer-readable media for head tracking based on recorded sound signals
10/07/2014US8855336 System and method for biasing active devices
10/07/2014US8855335 Distortion suppression in high-level capable audio amplification circuit
10/07/2014US8855331 Audio analysis apparatus
10/07/2014US8855330 Automated sensor signal matching
10/07/2014US8855326 Microphone system and method of operating the same
10/07/2014US8855322 Loudness maximization with constrained loudspeaker excursion
10/07/2014US8855187 Signal processing method for enhancing a dynamic range of a signal
10/02/2014WO2014160443A1 Apparatuses and methods for acoustic channel auto-balancing during multi-channel signal extraction
10/02/2014WO2014158449A1 Low-latency multi-driver adaptive noise canceling (anc) system for a personal audio device
10/02/2014WO2014157684A1 Speaker system
10/02/2014WO2014157351A1 Electroacoustic conversion film, electroacoustic converter, flexible display, and projector screen
10/02/2014WO2014153943A1 Balancing apparatus for sound field in vehicle
10/02/2014US20140294228 Loudspeaker magnetic circuit and loudspeaker using same
10/02/2014US20140294226 Transducer apparatus with a tension actuator
10/02/2014US20140294218 Transducer apparatus
10/02/2014US20140294205 Output-stage circuit and method for over current protection thereof and audio amplify system
10/02/2014US20140294199 Signal analysis apparatus and signal analysis method
10/02/2014US20140294198 Feedback cancellation for vehicle communications system
10/02/2014US20140294196 User device having plurality of microphones and operating method thereof
10/02/2014US20140294194 Terminal to control audio output path and method for controlling audio output path between terminals
10/02/2014US20140293095 Image capturing apparatus, signal processing apparatus and method
10/02/2014US20140291787 Structure of mems electroacoustic transducer
10/01/2014EP2783523A1 System and method for signal level detection
10/01/2014EP2783521A1 System and method for bass enhancement
09/2014
09/30/2014US8849663 Systems and methods for segmenting and/or classifying an audio signal from transformed audio information
09/30/2014US8849656 System enhancement of speech signals
09/30/2014US8849185 Hybrid audio delivery system and method therefor
09/30/2014US8848942 Acoustic beam forming array using feedback-controlled microphones for tuning and self-matching of frequency response
09/30/2014US8848941 Information processing apparatus, information processing method, and program
09/30/2014US8848932 Proximity sensing for user detection and automatic volume regulation with sensor interruption override
09/30/2014US8848902 Headphone device
09/30/2014US8848901 Speech canceler-enhancer system for use in call-center applications
09/30/2014US8848030 Method and system for determining a direction between a detection point and an acoustic source
09/30/2014CA2722883C System and method for dynamic sound delivery
09/25/2014WO2014153170A1 Decorative flat panel sound system
09/25/2014WO2014151390A1 Reset circuit for mems capacitive microphones
09/25/2014WO2014150598A1 Method and system for modifying a sound field at specified positions within a given listening space
09/25/2014WO2014150018A2 Portable audio networking system
09/25/2014WO2014149588A1 Acoustic sensor with integrated programmable electronic interface
09/25/2014WO2014148524A1 Liquid crystal display device and setting method therefor
09/25/2014WO2014148204A1 Periphery monitoring device for work machine
09/25/2014WO2014146547A1 Sound signal processing method and device
09/25/2014US20140288357 Filtering well-defined feedback from a hard-coupled vibrating transducer
09/25/2014US20140286524 Loud speakers
09/25/2014US20140286508 Interpolation Circuit for Interpolating a First and a Second Microphone Signal
09/25/2014US20140286507 Multi-Channel Pairing in a Media System
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ... 182