197485 ⎘
Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility; Speech enhancement, e.g. noise reduction or echo cancellation; Noise filtering characterised by the method used for estimating noise; Number of inputs available containing the signal or the noise to be suppressed Two microphones, one receiving mainly the noise signal and the other one mainly the speech signal
Systems, methods, and apparatus for multi-microphone based speech enhancement
#302Sound input device
#303Device in a headset
#304Sound separating apparatus
#305Partial speech reconstruction
#306Mixer with adaptive post-filtering
#307Robust two microphone noise suppression system
#308Multiple microphone voice activity detector
#309Speech processing apparatus and method
#310System and method for adaptive intelligent noise suppression
#311Microphone array with rear venting
#312Microphone array with rear venting
#313Microphone array with rear venting
#314Microphone array with rear venting
#315Forming virtual microphone arrays using dual omnidirectional microphone array (DOMA)
#316Virtual microphone array systems using dual omindirectional microphone array (DOMA)
#317Dual omnidirectional microphone array (DOMA)
#318Virtual microphone arrays using dual omnidirectional microphone array (DOMA)
#319Signal separating apparatus, signal separating method, signal separating program and recording medium
#320Headset for separation of speech signals in a noisy environment
#321Signal processing apparatus and signal processing method
#322System for suppressing ambient noise in a hands-free device
#323Method and system for eliminating noises in voice signals
#324Noisy environment communication enhancement system
#325Device and method for voice activity detection based on the direction from which sound signals emanate
#326Dual microphone noise reduction for headset application
#327Frequency domain noise attenuation utilizing two transducers
#328Detecting voiced and unvoiced speech using both acoustic and nonacoustic sensors
#329Telephony Device with Improved Noise Suppression
#330Earset assembly
#331Signal processing method and apparatus
#332Method and device for noise reduction
#333System for communication enhancement in a noisy environment
#334System and method for providing environmental specific noise reduction algorithms
#335Actuator control of adjustable elements by speech localization in a vehicle
#336Separation of target acoustic signals in a multi-transducer arrangement
#337Interference suppression techniques
#338Robust separation of speech signals in a noisy environment
#339Multi-sensory speech enhancement using synthesized sensor signal
#340Method and device for separating acoustic signals
#341Multi-sensory speech enhancement using a speech-state model
#342System and process for robust sound source localization
#343Continuous speech processing using heterogeneous and adapted transfer function
#344System and process for robust sound source localization
#345Apparatus and method for separating audio signals
#346Acoustic signal processing apparatus, acoustic signal processing method, acoustic signal processing program, and computer-readable recording medium recording acoustic signal processing program
#347Method and apparatus for reducing noise corruption from an alternative sensor signal during multi-sensory speech enhancement
#348Wireless telephone having multiple microphones
#349Selective shaping of communication signals
#350Robot
#351Noise adaptive mobile communication device, and call sound synthesizing method using the same
#352Method for supressing surrounding noise in a hands-free device and hands-free device
#353Multi-mode audio processors and methods of operating the same
#354Method and apparatus for multi-sensory speech enhancement
#355Cardioid beam with a desired null based acoustic devices, systems and methods
#356Apparatus and method for detecting user speech
#357Separation of target acoustic signals in a multi-transducer arrangement
#358Microphone reference echo cancellation
#359Inter-channel level difference based acoustic tap detection
#360Audio processing for wearables in high-noise environment
#361Noise reference estimation for noise reduction
#362Adaptive multi-microphone beamforming
#363Method and apparatus for tracking sound source movement for audio signal processing
#364Voice activity detection using air conduction and bone conduction microphones
#365Method and apparatus for filtering noise in a signal received by a wireless receiver
#366Steerable beamformer
#367Multiple-stage adaptive filtering of audio signals