Patents
Patents for G10L 21 - 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 (18,985)
03/2004
03/17/2004EP1398759A2 Systems and methods for determining the N-best strings of an automaton
03/17/2004EP1398758A2 Method and apparatus for generating decision tree questions for speech processing
03/17/2004EP1397796A1 Speech quality indication
03/17/2004EP1018100A4 Method and system for making an audio-visual work with a series of visual word symbols coordinated with oral word utterances and such audio-visual work
03/17/2004CN1482596A Method and system for noise reduction
03/16/2004US6708145 Enhancing perceptual performance of sbr and related hfr coding methods by adaptive noise-floor addition and noise substitution limiting
03/16/2004US6707910 Detection of the speech activity of a source
03/11/2004WO2004021738A1 Microphone and communication interface system
03/11/2004WO2004021631A1 Error processing of user information received by a communication network
03/11/2004WO2004021333A1 Multichannel voice detection in adverse environments
03/11/2004WO2004021332A1 Controlling loudness of speech in signals that contain speech and other types of audio material
03/11/2004WO2003071519A3 Voice-controlled data entry
03/11/2004US20040049393 Automated delivery of audio content to a personal messaging device
03/11/2004US20040049391 Systems and methods for dynamic reading fluency proficiency assessment
03/11/2004US20040049383 Noise removing method and device
03/10/2004EP1397024A1 Control circuit for small electrodynamic transducers in audio systems depending on the input signal characteristics
03/10/2004EP1396845A1 Method of iterative noise estimation in a recursive framework
03/10/2004EP1395981A1 Device and method for processing an audio signal
03/10/2004EP1395980A1 Audio coding
03/10/2004CN1481546A Enhancing source coding systems by adaptive transposition
03/10/2004CN1481545A Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
03/10/2004CN1481186A Information processing terminal and method for operating content notice
03/10/2004CN1141698C Pich interval standardizing device for speech identification of input speech
03/09/2004US6704711 System and method for modifying speech signals
03/09/2004US6704701 Bi-directional pitch enhancement in speech coding systems
03/09/2004US6704369 Apparatus and method for signal separation and recording medium for the same
03/04/2004WO2004019654A1 Automatic wind noise reduction circuit and automatic wind noise reduction method
03/04/2004WO2004019497A1 Signal encoding device, method, signal decoding device, and method
03/04/2004WO2004019317A2 Identification end exclusion of pause frames for speech storage, transmission and playback
03/04/2004WO2003084207B1 Method and system for enhancing data quality
03/04/2004US20040044528 Method and apparatus for generating decision tree questions for speech processing
03/04/2004US20040044525 Controlling loudness of speech in signals that contain speech and other types of audio material
03/04/2004US20040044428 Audio processor, audio processing method, computer program, and computer readable storage medium
03/04/2004US20040042626 Multichannel voice detection in adverse environments
03/04/2004US20040042622 Speech Processing apparatus and mobile communication terminal
03/04/2004US20040040621 Recovering method of target speech based on split spectra using sound sources' locational information
03/03/2004EP1393300A1 Segmenting audio signals into auditory events
03/03/2004EP1393298A1 Comparing audio using characterizations based on auditory events
03/03/2004EP0954850B1 Audio processing arrangement with multiple sources
03/02/2004US6700976 Noise canceler system with adaptive cross-talk filters
02/2004
02/26/2004WO2004017303A1 Method and system for processing subband signals using adaptive filters
02/26/2004WO2004017302A1 Speech recognition faciliation method and apparatus
02/26/2004WO2004017163A2 System and method for selecting a music channel
02/26/2004WO2004006223A3 Voice-controllable communication gateway for controlling multiple electronic and information appliances
02/26/2004WO2003049108A3 Digital audio with parameters for real-time time scaling
02/26/2004US20040039566 Condensed voice buffering, transmission and playback
02/26/2004US20040037439 Acoustic signal processing apparatus and method, and audio device
02/25/2004EP1391879A2 Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus
02/25/2004EP1391878A2 Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus
02/25/2004EP1391103A1 Efficient buffer allocation for current and predicted active speakers in voice conferencing systems
02/25/2004EP1390947A2 Method for signal reception
02/25/2004EP1390942A1 Method for time aligning audio signals using characterizations based on auditory events
02/25/2004EP0807286B1 Communication terminal device
02/24/2004US6697486 Echo canceler and operating method
02/19/2004WO2004016040A1 Signal strength information dependent control of small electrodynamic transducers in audio systems
02/19/2004WO2004016037A1 Method of increasing speech intelligibility and device therefor
02/19/2004WO2004015688A1 Audio signal time-scale modification method using variable length synthesis and reduced cross-correlation computations
02/19/2004WO2004015652A1 Audio-intonation calibration method
02/19/2004WO2003090610A3 Fast estimation of weak bio-signals using novel algorithms for generating multiple additional data frames
02/19/2004US20040034536 System and method for selecting a music channel
02/19/2004US20040034535 Speech to touch translator assembly and method
02/19/2004US20040034533 Voice control apparatus of vacuum cleaner and method thereof
02/19/2004US20040034526 Speech recognition faciliation method and apparatus
02/19/2004US20040032509 Camera having audio noise attenuation capability
02/19/2004CA2494697A1 Audio-intonation calibration method
02/18/2004CN1139042C Character recognizing and translating system
02/17/2004US6694291 System and method for enhancing low frequency spectrum content of a digitized voice signal
02/17/2004US6694029 Unobtrusive removal of periodic noise
02/17/2004US6694018 Echo canceling apparatus and method, and voice reproducing apparatus
02/17/2004US6693652 System and method for automatic generation of visual representations and links in a hierarchical messaging system
02/16/2004CA2399159A1 Convergence improvement for oversampled subband adaptive filters
02/12/2004WO2004013841A1 Audio decoding apparatus and audio decoding method based on spectral band repliction
02/12/2004WO2004013840A1 Digital signal processing techniques for improving audio clarity and intelligibility
02/12/2004WO2004002028A3 Audio signal processing apparatus and method
02/12/2004US20040030561 Method and apparatus for digital signal communication between computer-based multi-channel audio controller and surround sound systems
02/12/2004US20040030557 Method and apparatus for providing an integrated speech recognition and natural language understanding for a dialog system
02/12/2004US20040030553 Voice recognition system, communication terminal, voice recognition server and program
02/12/2004US20040030550 Systems and methods for providing acoustic classification
02/12/2004US20040030546 Apparatus and method for generating pitch waveform signal and apparatus and mehtod for compressing/decomprising and synthesizing speech signal using the same
02/12/2004US20040029084 Automated language acquisition system and method
02/12/2004US20040028244 Audio signal decoding device and audio signal encoding device
02/12/2004US20040028239 Vehicle accessory microphone assembly having a windscreen with hydrophobic properties
02/12/2004US20040028191 System for text assisted telephony
02/11/2004EP1388832A1 Method for calibrating audio intonation
02/11/2004EP1388147A1 Method for enlarging the band width of a narrow-band filtered voice signal, especially a voice signal emitted by a telecommunication appliance
02/11/2004CN1475010A Enhancing performance of coding system that use high frequency reconstruction methods
02/11/2004CN1474675A Methods and devices for delivering exogenously generated speech signals to enhance fluency in persons who stutter
02/11/2004CN1474622A Communication terminal capable of revising transmitting voice in telephone call
02/11/2004CN1474318A Computer aided word meaning teaching system and method with accent prompting
02/10/2004US6691083 Wideband speech synthesis from a narrowband speech signal
02/10/2004US6691073 Adaptive state space signal separation, discrimination and recovery
02/10/2004US6690799 Stereo signal processing apparatus
02/05/2004WO2004012181A1 Information signal converting system
02/05/2004WO2004012097A1 Method for fast dynamic estimation of background noise
02/05/2004WO2003091988A3 Non-stuttering biofeedback method and apparatus using daf
02/05/2004WO2003019775A3 Audio processing device
02/05/2004US20040024598 Thematic segmentation of speech
02/05/2004US20040024596 Noise reduction system
02/05/2004US20040024591 Method and apparatus for enhancing loudness of an audio signal
02/05/2004US20040024585 Linguistic segmentation of speech