| Patents for G10L 25 - Speech or voice analysis techniques not restricted to a single one of groups (4,910) |
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| 04/13/2006 | US20060080087 Pitch perception in an auditory prosthesis |
| 04/12/2006 | CN1758334A Enhancing perceptual quality of SBR (spectral band replication) and HFR (high frequency reconstruction) coding methods by adaptive noise-floor addition and noise substitution limiting |
| 04/12/2006 | CN1251176C Transmission system including at least a coder |
| 04/11/2006 | US7028340 Apparatus, a system and method for controlling access to contents |
| 04/06/2006 | WO2006034742A1 Device and method for changing the segmentation of an audio piece |
| 04/06/2006 | DE102004047069A1 Vorrichtung und Verfahren zum Ändern einer Segmentierung eines Audiostücks Device and method for changing a segmentation of an audio piece |
| 04/05/2006 | EP1643642A1 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
| 04/04/2006 | US7024352 Method and device for objective speech quality assessment without reference signal |
| 03/30/2006 | WO2006033570A1 Frequency compensation for perceptual speech analysis |
| 03/30/2006 | WO2006032751A1 Method and device for evaluating the efficiency of a noise reducing function for audio signals |
| 03/30/2006 | US20060065106 Apparatus and method for changing a segmentation of an audio piece |
| 03/30/2006 | DE10243955B4 Verfahren und Vorrichtung zur Übertragung von Sprachsignalen mittels einer Flugzeug-Sprachübertragungseinrichtung Method and apparatus for transmission of speech signals by means of a plane-speech communications device |
| 03/29/2006 | CN1248190C Method and apparatus for fast frequency-domain pitch estimation |
| 03/28/2006 | US7020613 Method and apparatus of mixing audios |
| 03/28/2006 | US7020448 Method for detecting a tone signal through digital signal processing |
| 03/23/2006 | DE102004022660B4 Vorrichtung und Verfahren zum Analysieren eines Informationssignals Apparatus and method for analyzing an information signal |
| 03/22/2006 | EP1456837B1 Method and device for voice recognition |
| 03/21/2006 | US7016832 Voiced/unvoiced information estimation system and method therefor |
| 03/21/2006 | US7016814 Method and device for determining the quality of a signal |
| 03/15/2006 | EP1635461A1 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
| 03/15/2006 | EP1634277A1 Extraction of test signal sections for measuring the quality of an audio signal |
| 03/15/2006 | CN1748246A 信号处理 Signal Processing |
| 03/14/2006 | US7013266 Method for determining speech quality by comparison of signal properties |
| 03/14/2006 | US7012186 2-phase pitch detection method and apparatus |
| 03/14/2006 | US7012183 Apparatus for analyzing an audio signal with regard to rhythm information of the audio signal by using an autocorrelation function |
| 03/09/2006 | WO2006025313A1 Audio encoding apparatus, audio decoding apparatus, communication apparatus and audio encoding method |
| 03/09/2006 | WO2006024697A1 Detection of voice activity in an audio signal |
| 03/09/2006 | US20060053007 Detection of voice activity in an audio signal |
| 03/08/2006 | EP1631954A1 Audio coding |
| 03/08/2006 | CN1244907C High frequency intensifier coding method for broadband speech coder and decoder and apparatus |
| 03/08/2006 | CN1244900C Silence detector in sound signal and receiver for receiving compressed sound signal |
| 03/07/2006 | US7010478 Compressing messages on a per semantic component basis while maintaining a degree of human readability |
| 03/01/2006 | CN1742332A Method for embedding and detecting a watermark in a digital audio signal |
| 02/28/2006 | CA2357959C Noise level calculator for echo canceller |
| 02/23/2006 | WO2006019555A2 Music detection with low-complexity pitch correlation algorithm |
| 02/23/2006 | DE102004040098A1 Device for suppressing speech signals used in telecommunication systems, hearing devices and voice recognition devices comprises an input interface, a signal analyzing unit, a transfer function unit and an output interface |
| 02/22/2006 | CN1737847A Data processing apparatus and method |
| 02/21/2006 | US7003452 Method and device for detecting voice activity |
| 02/09/2006 | WO2006014924A2 Method and system for improving voice quality of a vocoder |
| 02/09/2006 | US20060031065 Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching |
| 02/09/2006 | US20060031064 Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching |
| 02/09/2006 | US20060031063 Automatic performance apparatus for reproducing music piece |
| 02/08/2006 | EP1624359A2 Code generating method and unit thereof, code detecting method and unit therof, and watermark embedding unit and watermark detecting unit |
| 02/08/2006 | CN1732692A Method and system to mark an audio signal with metadata |
| 02/08/2006 | CN1732510A Method and system to mark an audio signal with metadata |
| 02/02/2006 | WO2006011295A1 Communication device |
| 02/02/2006 | WO2006010561A1 Device and method for robustly classifying audio signals, method for establishing and operating audio signal database and a computer program |
| 02/02/2006 | US20060025990 Method and system for improving voice quality of a vocoder |
| 02/01/2006 | EP1620844A2 System and method for combined frequency-domain and time-domain pitch extraction for speech signals |
| 02/01/2006 | EP1417583A4 Method and arrangement for search and recording of media signals |
| 01/26/2006 | WO2006008932A1 Audio encoding device and audio encoding method |
| 01/26/2006 | US20060020958 Apparatus and method for robust classification of audio signals, and method for establishing and operating an audio-signal database, as well as computer program |
| 01/26/2006 | DE10245107B4 Voice Activity Detection auf Basis von unüberwacht trainierten Clusterverfahren Voice activity detection based on unsupervised clustering methods trained |
| 01/25/2006 | EP1619872A2 Code generating method and unit thereof, code detecting method and unit thereof, and watermark embedding unit and watermark detecting unit |
| 01/19/2006 | WO2006006366A1 Pitch frequency estimation device, and pitch frequency estimation method |
| 01/19/2006 | US20060015327 Music detection with low-complexity pitch correlation algorithm |
| 01/18/2006 | EP1617418A2 Spectral band replication and high frequency reconstruction audio coding methods and apparatuses using adaptive noise-floor addition and noise substitution limiting |
| 01/18/2006 | EP1163662B1 Method of determining the voicing probability of speech signals |
| 01/12/2006 | WO2006003502A1 Speech activity detection |
| 01/12/2006 | US20060009968 Unified treatment of resolved and unresolved harmonics |
| 01/11/2006 | EP1527517B1 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
| 01/11/2006 | EP1259955B1 Method and apparatus for tracking the phase of a quasi-periodic signal |
| 01/05/2006 | WO2006000952A1 Method and apparatus to encode and decode multi-channel audio signals |
| 01/05/2006 | WO2006000215A1 Method of evaluating perception intensity of an audio signal and a method of controlling an input audio signal on the basis of the evaluation |
| 01/05/2006 | US20060004573 Microphone initialization enhancement for speech recognition |
| 01/05/2006 | US20060002686 Reproducing method, apparatus, and computer-readable recording medium |
| 01/04/2006 | EP1611571A1 Method and system for speech quality prediction of an audio transmission system |
| 01/04/2006 | CN1717044A Reproducing output method and programme and camera |
| 01/03/2006 | US6983249 Systems and methods for voice synthesis |
| 12/29/2005 | WO2005124739A1 Noise suppression device and noise suppression method |
| 12/29/2005 | DE102004046045B3 Method for analyzing transient speech signals, involves ascertaining part-bands of speech signal of fundamental driver process |
| 12/22/2005 | DE102004036154B3 Vorrichtung und Verfahren zur robusten Klassifizierung von Audiosignalen sowie Verfahren zu Einrichtung und Betrieb einer Audiosignal-Datenbank sowie Computer-Programm Apparatus and method for robust classification of audio signals and processes for the creation and operation of an audio signal database and computer program |
| 12/21/2005 | EP1606792A1 Method for analyzing fundamental frequency information and voice conversion method and system implementing said analysis method |
| 12/20/2005 | US6978241 Transmission system for transmitting an audio signal |
| 12/20/2005 | US6978236 Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching |
| 12/15/2005 | US20050278173 Determination of the common origin of two harmonic signals |
| 12/15/2005 | DE102004022660A1 Vorrichtung und Verfahren zum Analysieren eines Informationssignals Apparatus and method for analyzing an information signal |
| 12/14/2005 | EP1605439A1 Unified treatment of resolved and unresolved harmonics |
| 12/14/2005 | EP1605437A1 Determination of the common origin of two harmonic components |
| 12/14/2005 | EP1604351A1 Apparatus and methods for vocal tract analysis of speech signals |
| 12/08/2005 | US20050273818 Information processing apparatus, information processing method and program |
| 12/08/2005 | US20050273612 Identification of digital data sequences |
| 12/08/2005 | DE102004023436A1 Vorrichtung und Verfahren zum Analysieren eines Informationssignals Apparatus and method for analyzing an information signal |
| 12/07/2005 | EP1273003B1 Method and device for the determination of prosodic markers |
| 12/01/2005 | WO2005114651A1 Device and method for analysing an information signal |
| 12/01/2005 | WO2005114650A1 Process and device for characterising an audio signal |
| 12/01/2005 | US20050265562 System and process for locating a speaker using 360 degree sound source localization |
| 12/01/2005 | DE19813285B4 Verfahren zur automatischen Messung der Sprachverständlichkeit in Kraftfahrzeugen A method for automatic measurement of speech intelligibility in motor vehicles |
| 11/30/2005 | EP1599742A1 Method for detection of own voice activity in a communication device |
| 11/29/2005 | US6970824 Enabling voice control of voice-controlled apparatus using a head mounted camera system |
| 11/24/2005 | WO2005111998A1 Device and method for analyzing an information signal |
| 11/24/2005 | WO2005111997A1 Audio reproduction device |
| 11/24/2005 | WO2005111716A1 Detection of inconsistencies between a reference and a multi format soundtrack |
| 11/24/2005 | US20050259819 Method for generating hashes from a compressed multimedia content |
| 11/24/2005 | CA2565742A1 Detection of inconsistencies between a reference and a multi format soundtrack |
| 11/23/2005 | EP1598749A1 Chaologic index value calculation system |
| 11/23/2005 | EP1597720A2 Pitch estimation using low-frequency band noise detection |
| 11/23/2005 | EP1451804A4 Methods and apparatus for pitch determination |
| 11/22/2005 | USRE38889 Pitch period extracting apparatus of speech signal |
| 11/17/2005 | WO2005109923A1 Data transmission |