| Patents for G10L 25 - Speech or voice analysis techniques not restricted to a single one of groups (4,910) |
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| 12/18/2002 | EP0776566B1 Test method |
| 12/12/2002 | US20020188442 Method of detecting voice activity in a signal, and a voice signal coder including a device for implementing the method |
| 12/11/2002 | EP1062658B1 A signal processing method to analyse transients of speech signals |
| 12/11/2002 | EP0548054B1 Voice activity detector |
| 12/05/2002 | WO2002098169A1 Detecting voiced and unvoiced speech using both acoustic and nonacoustic sensors |
| 12/05/2002 | WO2002097793A1 Method for extracting the fundamental frequency of a sound signal |
| 12/05/2002 | WO2002097792A1 Segmenting audio signals into auditory events |
| 12/05/2002 | WO2002097791A1 Method for time aligning audio signals using characterizations based on auditory events |
| 12/05/2002 | WO2002097790A1 Comparing audio using characterizations based on auditory events |
| 12/05/2002 | US20020184259 Data reproducing/recording apparatus/ method and list updating method |
| 12/05/2002 | CA2448669A1 Detecting voiced and unvoiced speech using both acoustic and nonacoustic sensors |
| 12/04/2002 | CN1383544A Method of calculating line spectral frequencies |
| 11/28/2002 | WO2002095726A1 Speech quality indication |
| 11/28/2002 | WO2002073601B1 Method and device for determining the quality of a speech signal |
| 11/28/2002 | US20020177994 Method and apparatus for tracking pitch in audio analysis |
| 11/27/2002 | EP1259955A1 Method and apparatus for tracking the phase of a quasi-periodic signal |
| 11/21/2002 | WO2002093801A2 Silence detection |
| 11/21/2002 | WO2002093557A1 Device and method for analysing an audio signal in view of obtaining rhythm information |
| 11/21/2002 | WO2002093553A1 Estimation of fundamental periods of multiple concurrent sources in particular of sound |
| 11/21/2002 | WO2002093552A1 Estimating signal power in compressed audio |
| 11/21/2002 | WO2002093550A2 Device for the analysis of an audio signal with regard to the rhythm information using an auto-correlation function |
| 11/20/2002 | EP1257998A1 Speech processing with hmm trained on tespar parameters |
| 11/20/2002 | EP1088300B1 Method for executing automatic evaluation of transmission quality of audio signals |
| 11/19/2002 | CA2233896C Signal coding system |
| 11/14/2002 | WO2002091354A1 Method and device for automatically differentiating and/or detecting acoustic signals |
| 11/07/2002 | WO2002089008A2 Automatic content analysis and representation of multimedia presentations |
| 11/07/2002 | US20020164151 Automatic content analysis and representation of multimedia presentations |
| 11/07/2002 | DE10121532A1 Verfahren und Vorrichtung zur automatischen Differenzierung und/oder Detektion akustischer Signale Method and apparatus for automatically differentiating and / or detecting acoustic signals |
| 11/05/2002 | US6475245 Method and apparatus for hybrid coding of speech at 4KBPS having phase alignment between mode-switched frames |
| 10/31/2002 | WO2002086860A2 Processing speech signals |
| 10/31/2002 | WO2002085215A1 Chaos-theoretical human factor evaluation apparatus |
| 10/31/2002 | CA2445378A1 Processing speech signals |
| 10/30/2002 | CN1377499A Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching |
| 10/29/2002 | US6471420 Voice selection apparatus voice response apparatus, and game apparatus using word tables from which selected words are output as voice selections |
| 10/24/2002 | WO2002084645A2 High quality time-scaling and pitch-scaling of audio signals |
| 10/24/2002 | WO2002084644A1 Method for determining intensity parameters of background noise in speech pauses of voice signals |
| 10/24/2002 | US20020156620 Method and apparatus for speech coding with voiced/unvoiced determination |
| 10/24/2002 | US20020156618 Compressing messages on a per semantic component basis while maintaining a degree of human readability |
| 10/24/2002 | DE10120168A1 Determining characteristic intensity values of background noise in non-speech intervals by defining statistical-frequency threshold and using to remove signal segments below |
| 10/23/2002 | EP1250830A1 Method and device for determining the quality of a signal |
| 10/23/2002 | EP1250700A1 Speech parameter compression |
| 10/22/2002 | US6470309 Subframe-based correlation |
| 10/22/2002 | CA2260685C Linear trajectory models incorporating preprocessing parameters for speech recognition |
| 10/17/2002 | WO2002082428A1 Time-scale modification of signals applying techniques specific to determined signal types |
| 10/17/2002 | WO2002082424A1 Method and device for extracting acoustic parameters of a voice signal |
| 10/10/2002 | DE10123281C1 Device for analyzing audio signal with respect to rhythm information divides signal into sub-band signals, investigates sub-band signal(s) for periodicity with autocorrelation function |
| 10/09/2002 | EP1247389A1 Method and platform for evaluating speech quality in telephone communications |
| 10/09/2002 | EP0909442B1 Voice activity detector |
| 10/08/2002 | US6463406 Fractional pitch method |
| 09/26/2002 | WO2002075725A1 Method and device for determining a quality measure for an audio signal |
| 09/26/2002 | US20020138253 Speech synthesis method and speech synthesizer |
| 09/25/2002 | EP1244094A1 Method and apparatus for determining a quality measure for an audio signal |
| 09/24/2002 | US6456965 Multi-stage pitch and mixed voicing estimation for harmonic speech coders |
| 09/19/2002 | WO2002073601A1 Method and device for determining the quality of a speech signal |
| 09/19/2002 | WO2002073593A1 A method and system for the automatic detection of similar or identical segments in audio recordings |
| 09/18/2002 | EP1241663A1 Method and device for determining the quality of speech signal |
| 09/18/2002 | EP1240644A1 Determination of the time relation between speech signals affected by time warping |
| 09/17/2002 | US6453283 Speech coding based on determining a noise contribution from a phase change |
| 09/06/2002 | WO2002069148A1 Method and arrangement for search and recording of media signals |
| 09/04/2002 | EP1237348A2 Method and device to monitor the transmission quality of a voice signal over an IP network |
| 08/29/2002 | WO2002067246A1 Method for determining optimum linear prediction coefficients |
| 08/29/2002 | US20020120456 Method and arrangement for search and recording of media signals |
| 08/29/2002 | US20020118648 Method and arrangement for testing the transmission system and method for quality of a speech transmission |
| 08/28/2002 | EP1235380A1 Data reproducing/recording apparatus / method and list updating method |
| 08/22/2002 | WO2002065456A1 System and method for voice quality of service measurement |
| 08/22/2002 | WO2002065450A1 Method of analysing a compressed signal for the presence or absence of information content |
| 08/22/2002 | US20020114463 Modifying material |
| 08/08/2002 | US20020105575 Enabling voice control of voice-controlled apparatus |
| 08/08/2002 | DE10123366C1 Vorrichtung zum Analysieren eines Audiosignals hinsichtlich von Rhythmusinformationen Apparatus for analyzing an audio signal with regard to rhythm information |
| 08/07/2002 | EP1228505A1 Non-intrusive speech-quality assessment |
| 08/07/2002 | EP1228502A1 Methods and apparatuses for signal analysis |
| 08/07/2002 | EP1125283B1 Method for quantizing speech coder parameters |
| 08/07/2002 | EP0901677B1 Device for determining the quality of an output signal to be generated by a signal processing circuit, and also method |
| 07/31/2002 | CN1361941A Spectrum modeling |
| 07/30/2002 | US6427134 Voice activity detector for calculating spectral irregularity measure on the basis of spectral difference measurements |
| 07/30/2002 | US6427133 Process and device for evaluating the quality of a transmitted voice signal |
| 07/25/2002 | US20020099538 Received speech signal processing apparatus and received speech signal reproducing apparatus |
| 07/24/2002 | EP1224531A2 Method for detecting the time sequences of a fundamental frequency of an audio-response unit to be synthesised |
| 07/11/2002 | WO2002054744A1 Audio signal quality enhancement in a digital network |
| 07/11/2002 | WO2002033697A3 Apparatus for bandwidth expansion of a speech signal |
| 07/10/2002 | CN1358029A Modifying source material |
| 07/04/2002 | WO2002052820A1 Method and platform for evaluating speech quality in telephone communications |
| 07/04/2002 | WO2002052546A1 Voice barge-in in telephony speech recognition |
| 07/03/2002 | EP1220200A1 Method and system for speaker independent recognition for a telecommunication or data processing device |
| 06/26/2002 | EP1216504A1 Spectrum modeling |
| 06/26/2002 | EP1216474A1 Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching |
| 06/26/2002 | EP0938727B1 Speech processing system |
| 06/25/2002 | US6411925 Speech processing apparatus and method for noise masking |
| 06/20/2002 | US20020078359 Apparatus for embedding and detecting watermark and method thereof |
| 06/19/2002 | EP1215910A2 Watermarking |
| 06/19/2002 | EP1215658A2 Visual activation of voice controlled apparatus |
| 06/19/2002 | EP1066623B1 A process and system for objective audio quality measurement |
| 06/13/2002 | WO2002023536A3 Formant emphasis in celp speech coding |
| 06/13/2002 | US20020072926 Information processing apparatus and method, and program storing medium |
| 06/13/2002 | US20020072903 Rate control device for variable-rate voice encoding system and method thereof |
| 06/06/2002 | WO2002045078A1 Audio decoder and audio decoding method |
| 06/05/2002 | EP1210710A1 Method of evaluating the rhythmicity of a digital signal composed of samples |
| 06/05/2002 | EP0819302B1 Arrangement and method relating to speech transmission and a telecommunications system comprising such arrangement |
| 05/30/2002 | WO2002043051A1 Non-intrusive detection of defects in a packet-transmitted speech signal |
| 05/30/2002 | WO2001089086A8 Spectrum modeling |