Patents
Sitemap › G10 - Musical instruments; Acoustics › G10L - Speech analysis or synthesis; Speech recognition; Speech or voice processing; Speech or audio coding or decoding › G10L 25 - Speech or voice analysis techniques not restricted to a single one of groups
Patents for G10L 25 - Speech or voice analysis techniques not restricted to a single one of groups (4,910)
07/2003
07/10/2003US20030130846 Speech processing with hmm trained on tespar parameters
07/10/2003US20030130839 Method and apparatus of controlling noise level calculations in a conferencing system
07/09/2003EP0919052B1 A method and a system for speech-to-speech conversion
07/03/2003WO2003054856A1 Method and device for voice recognition
07/03/2003US20030125934 Method of pitch mark determination for a speech
07/02/2003EP1323108A2 Method and apparatus for creating mixed media messages
07/02/2003CN1113332C Transmission system comprising at least a coder
07/01/2003US6587816 Fast frequency-domain pitch estimation
06/2003
06/26/2003US20030120926 Data encryption method, recording medium, data transfer apparatus, and encrypted data decryption method
06/26/2003US20030120487 Dynamic adjustment of noise separation in data handling, particularly voice activation
06/26/2003US20030118176 Telephone apparatus
06/19/2003US20030115042 Techniques for measurement of perceptual audio quality
06/19/2003US20030112265 Indexing video by detecting speech and music in audio
06/18/2003CN1425176A System and method for speech recognition using tonal modeling
06/12/2003WO2003049014A1 Neural network model for compressing/decompressing image/acoustic data files
06/12/2003WO2003048711A2 Speech detection system in an audio signal in noisy surrounding
06/11/2003EP1317752A1 A method and a device for objective speech quality assessment without reference signal
06/05/2003WO2003046887A1 Method of operating a barge-in dialogue system
06/05/2003US20030105626 Method for improving speech quality in speech transmission tasks
06/05/2003US20030103667 Neural network model for compressing/decompressing image/acoustic data files
06/04/2003CN1422382A Estimating the pitch of a speech signal using a binary signal
06/04/2003CN1110790C Controller for starting vehicle by means of sound
05/2003
05/28/2003CN1421030A Methods and apparatuses for signal analysis
05/22/2003WO2003043277A1 Error concealment apparatus and method
05/22/2003WO2003042974A1 Method and system for chinese speech pitch extraction
05/22/2003WO2003042648A1 Speech encoder, speech decoder, speech encoding method, and speech decoding method
05/22/2003US20030097261 Speech detection apparatus under noise environment and method thereof
05/21/2003CA2465552A1 Method and apparatus for removing noise from electronic signals
05/15/2003US20030093265 Method and system of chinese speech pitch extraction
05/14/2003EP1309964A2 Fast frequency-domain pitch estimation
05/13/2003US6564182 Look-ahead pitch determination
05/08/2003WO2003038806A1 Methods and apparatus for pitch determination
05/08/2003WO2003038805A1 Methods and apparatus for pitch determination
05/08/2003WO2002086860A3 Processing speech signals
05/08/2003US20030088622 Efficient and robust adaptive algorithm for silence detection in real-time conferencing
05/08/2003US20030088401 Methods and apparatus for pitch determination
05/07/2003CN1416563A Wideband extension of telephone speech for higher perceptual quality
05/01/2003WO2002101717A3 Pitch candidate selection method for multi-channel pitch detectors
04/2003
04/24/2003US20030078770 Method for detecting a voice activity decision (voice activity detector)
04/23/2003EP1303854A1 Method of calculating line spectral frequencies
04/17/2003WO2003032488A1 Method and system for estimating parameters
04/10/2003US20030069011 Method and apparatus for evaluating the voice quality of telephone calls
04/09/2003EP1299996A1 Speech quality estimation for off-line speech recognition
04/02/2003EP1298646A1 Improved method for determining the quality of a speech signal
04/02/2003CN1408109A Enhancing perceptual performance of SBR and related HFR coding methods by adaptive noise-floor addition and noise substitution limiting
03/2003
03/31/2003WO2003015080A1 Pitch cycle search range setting device and pitch cycle search device
03/27/2003US20030061047 Voice converter with extraction and modification of attribute data
03/27/2003US20030061042 Method and apparatus for transmitting speech activity in distributed voice recognition systems
03/25/2003US6539350 Method and circuit arrangement for speech level measurement in a speech signal processing system
03/20/2003US20030055647 Voice converter with extraction and modification of attribute data
03/20/2003US20030055646 Voice converter with extraction and modification of attribute data
03/20/2003US20030055639 Speech processing apparatus and method
03/20/2003US20030055634 Speech processing method and apparatus and program therefor
03/20/2003US20030055608 Method and device for determining the quality of a signal
03/20/2003US20030053639 Method for improving near-end voice activity detection in talker localization system utilizing beamforming technology
03/19/2003EP1293961A1 A signal processing method to analyse transients of a speech signal
03/18/2003US6535844 Method of detecting silence in a packetized voice stream
03/13/2003US20030048836 Astute system for detect to adapt to environment
03/12/2003CN1402851A Method, apparatus, and system for bottom-up tone integration to Chinese continuous speech recognition system
03/12/2003CN1103141C Method and device for encoding information, method and device for decoding information and information transmitting method
03/11/2003US6532445 Information processing for retrieving coded audiovisual data
03/05/2003EP1288914A2 Method for the correction of measured speech quality values
03/05/2003EP1288911A1 Emphasis detection for automatic speech summary
02/2003
02/27/2003WO2003017250A1 2-phase pitch detection method and appartus
02/27/2003WO2002093550A3 Device for the analysis of an audio signal with regard to the rhythm information using an auto-correlation function
02/26/2003EP1286328A2 Method for improving near-end voice activity detection in talker localization system utilizing beamforming technology
02/25/2003US6526376 Split band linear prediction vocoder with pitch extraction
02/21/2003CA2397826A1 Method for improving near-end voice activity detection in talker localization system utilizing beamforming technology
02/13/2003WO2003012779A1 Method for analysing audio signals
02/13/2003US20030033140 Time-scale modification of signals
02/13/2003DE10209323C1 Automatic signal level adjustment method for speech recognition system uses adjustment of amplification factor dependent on measured speech signal level
02/12/2003CN1397123A Data reproducing/recording apparatus, method and listupdating method
02/06/2003US20030026420 Copyright protection in personal computers
02/05/2003EP0840975B1 Assessment of signal quality
02/05/2003CN1101087C Method and device for encoidng signals, method and device for decording signal, and signal transmitting device
01/2003
01/30/2003WO2002093801A3 Silence detection
01/30/2003US20030023428 Method and apparatus of mixing audios
01/29/2003EP1280138A1 Method for audio signals analysis
01/29/2003EP1279168A1 Method for improving speech quality in speech transmission tasks
01/29/2003EP1279164A1 Method for detecting a voice activity decision (voice activity detector)
01/28/2003US6512538 Signal processing
01/23/2003US20030018472 Vocoder-based voice recognizer
01/16/2003WO2002031728A3 Method and apparatus for creating mixed media messages
01/15/2003EP0965123B1 A high resolution post processing method for a speech decoder
01/15/2003CN1391212A Method for detecting phonetic activity in signals and phonetic signal encoder including device thereof
01/09/2003US20030009340 Synthetic voice sales system and phoneme copyright authentication system
01/08/2003EP1273003A1 Method and device for the determination of prosodic markers
01/02/2003EP1271470A1 Method and device for determining the voice quality degradation of a signal
01/02/2003EP1269462A2 Voice activity detection apparatus and method
01/01/2003CN1389059A Speech qality estimation for off-line speech recognition
12/2002
12/27/2002WO2002103679A1 Method and apparatus for transmitting speech activity in distributed voice recognition systems
12/27/2002WO2002103673A1 Neural network post-processor
12/26/2002US20020198704 Speech processing system
12/19/2002WO2002101721A1 Improved method for determining the quality of a speech signal
12/19/2002WO2002101717A2 Pitch candidate selection method for multi-channel pitch detectors
12/19/2002WO2002084645A3 High quality time-scaling and pitch-scaling of audio signals
12/19/2002US20020193988 Wideband extension of telephone speech for higher perceptual quality
12/19/2002US20020191798 Procedure and device for determining a measure of quality of an audio signal
12/19/2002DE10137685C1 Speech signal detection method for hearing aid provides evaluation index from correlation between instant amplitude signal and instant frequency signal
12/18/2002EP1267325A1 Process for voice activity detection in a signal, and speech signal coder comprising a device for carrying out the process
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