197475 ⎘
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
Spectral refinement system
#602Audio signal encoding
#603Estimating own-voice activity in a hearing-instrument system from direct-to-reverberant ratio
#604Adaptive noise suppression for digital speech signals
#605Noise reduction with integrated tonal noise reduction
#606Two stage frequency subband decomposition
#607Method and noise suppression circuit incorporating a plurality of noise suppression techniques
#608Speech dialog control based on signal pre-processing
#609SYSTEM AND METHOD FOR IMPROVING AN INTERACTIVE EXPERIENCE WITH A SPEECH-ENABLED SYSTEM THROUGH THE USE OF ARTIFICIALLY GENERATED WHITE NOISE
#610Mobile phone and ambient noise filtering method used in the mobile phone
#611Method, medium and apparatus enhancing a bass signal using an auditory property
#612Sound Processing Apparatus
#613Method and apparatus for active noise cancellation
#614Encoding an audio signal
#615Enhancing audio signals by nonlinear spectral operations
#616Systems and arrangements for controlling modes of audio devices based on user selectable parameters
#617Dual microphone noise reduction for headset application
#618AUDIO SIGNAL COMPONENT COMPENSATION SYSTEM
#619Method of processing a noisy sound signal and device for implementing said method
#620RESPONSE-SELECT NULL STEERING CIRCUIT
#621Adjustable noise suppression system
#622Digital voice profiles
#623Method for classifying a signal
#624High frequency compression integration
#625Audio system with varying time delay and method for processing audio signals
#626Method and apparatus for injecting comfort noise in a communications signal
#627Music detector for echo cancellation and noise reduction
#628Selective audio signal enhancement
#629Calibration based beamforming, non-linear adaptive filtering, and multi-sensor headset
#630System and method for detecting the recognizability of input speech signals
#631Method and system for suppressing receiver audio regeneration
#632Adaptive reduction of noise signals and background signals in a speech-processing system
#633System and method for providing environmental specific noise reduction algorithms
#634Voicemail system and related method
#635Selective security masking within recorded speech utilizing speech recognition techniques
#636Method and device for separating acoustic signals
#637System for adaptive enhancement of speech signals
#638Enhancing the intelligibility of received speech in a noisy environment
#639Adapted audio response
#640Communication system noise cancellation power signal calculation techniques
#641System for improving speech quality and intelligibility with bandwidth compression/expansion
#642System for improving speech intelligibility through high frequency compression
#643Method and system for improving audiovisual communication
#644Listening device
#645Method and apparatus for adaptive level control
#646Method and apparatus for modifying an encoded signal
#647Method and apparatus for modifying an encoded signal
#648Method of extracting a signal
#649Acoustic processing system, acoustic processing device, acoustic processing method, acoustic processing program, and storage medium
#650Signal processor for robust pattern recognition
#651Audio data interpolation apparatus
#652Multi-effect processing device for wireless microphone
#653Method for selectively picking up a sound signal
#654Acoustical virtual reality engine and advanced techniques for enhancing delivered sound
#655Method of cascading noise reduction algorithms to avoid speech distortion
#656Communication terminal with bandwidth widening expansion and echo compensation
#657Detecting events of interest using quantum resonance interferometry
#658Noise and interference reduction in digitized signals
#659Sound signal processing apparatus and degree of speech computation method
#660Dynamic range control and equalization of digital audio using warped processing
#661Audio signal processing apparatus and method
#662Delay free noise suppression
#663Method, device and program for extracting and recognizing voice
#664Signal noise reduction
#665Method and apparatus to compensate for imperfections in sound field using peak and dip frequencies
#666Audio enhancement system having a spectral power ratio dependent processor
#667Techniques for improving audio clarity and intelligibility at reduced bit rates over a digital network
#668Method and device for the suppression of periodic interference signals
#669Speech enhancement in the presence of background noise
#670Method and apparatus for adjusting the level of a speech signal in its encoded format
#671System and method for processing low signal-to-noise ratio signals
#672Apparatus and method for correcting a speech signal for ambient noise in a vehicle
#673Speech recognition for assisting patients with speech difficulties
#674Speaker disambiguation and transcription from multiple audio feeds
#675Encoding audio metadata in an audio frame
#676Dereverberation and noise reduction
#677Encoding audio metadata in an audio frame
#678Autonomously motile device with noise suppression
#679Speaker disambiguation and transcription from multiple audio feeds
#680Method for efficient autonomous loudspeaker room adaptation
#681Multi-path calculations for device energy levels
#682Cascaded adaptive interference cancellation algorithms
#683Optimizing call quality using vocal frequency fingerprints to filter voice calls
#684Voice apparatus and dual-microphone voice system with noise cancellation
#685Multi-path calculations for device energy levels
#686Audio adjustment based on dynamic and static rules
#687Synthetic speech for in vehicle communication
#688Blind source separation systems
#689Optimizing call quality using vocal frequency fingerprints to filter voice calls
#690Adaptive noise cancellation
#691Neural network processing of multiple feature streams using max pooling and restricted connectivity
#692Efficient dereverberation in networked audio systems
#693System and method of optimizing a beamformer for echo control
#694Method and apparatus for voice clarity and speech intelligibility detection and correction
#695Systems and methods facilitating selective removal of content from a mixed audio recording
#696Reference signal generation for acoustic echo cancellation
#697Echo cancellation via frequency domain modulation
#698Asynchronous transfer of audio data
#699Acoustic echo cancellation processing based on feedback from speech recognizer
#700Nonstationary noise estimator (NNSE)
#701Noise suppression assisted automatic speech recognition
#702Adaptive noise cancelation