| Patents for G10L 19 - Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis (31,960) |
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| 12/04/2008 | WO2008145893A2 Audio encoding and decoding method and associated audio encoder, audio decoder and computer programs |
| 12/04/2008 | WO2008013716A3 Audio capture device for digitally recording analog audio files |
| 12/04/2008 | WO2007127182A3 Noise reduction system and method |
| 12/04/2008 | WO2007034375A3 Determination of a distortion measure for audio encoding |
| 12/04/2008 | US20080300868 Digital recording apparatus and method, digital reproduction apparatus and method, and digital data conversion apparatus |
| 12/04/2008 | US20080298599 System and method for evaluating performance of microphone for long-distance speech recognition in robot |
| 12/04/2008 | US20080297380 Signal decoding apparatus and signal decoding method |
| 12/04/2008 | DE10317244B4 In einem Fahrzeug installierte Navigationsvorrichtung und Kommunikationsverfahren für diese In a vehicle installed navigation device and communication method for this |
| 12/03/2008 | EP1998452A1 Method for compression and expansion of audio signals |
| 12/03/2008 | EP1998321A1 Method and apparatus for encoding/decoding a digital signal |
| 12/03/2008 | EP1998320A1 System and method for evaluating performance of microphone for long-distance speech recognition in robot |
| 12/03/2008 | EP1998319A2 Variable rate vocoder |
| 12/03/2008 | EP1997107A1 Method and apparatus for correlating two data sections |
| 12/03/2008 | EP1997104A2 Open-loop pitch track smoothing |
| 12/03/2008 | EP1997103A1 Method of coding a source audio signal, corresponding coding device, decoding method and device, signal, computer program products |
| 12/03/2008 | EP1997102A1 Apparatus and method for generating an ambient signal from an audio signal, apparatus and method for deriving a multi-channel audio signal from an audio signal and computer program |
| 12/03/2008 | EP1761915B1 Method and apparatus to encode and decode multi-channel audio signals |
| 12/03/2008 | EP1495601B1 Telephony services system with instant communications enhancements |
| 12/03/2008 | CN101317218A Systems, methods, and apparatus for frequency-domain waveform alignment |
| 12/03/2008 | CN101317217A Subband coding apparatus and method of coding subband |
| 12/03/2008 | CN101317216A Signal processing method and device |
| 12/03/2008 | CN101317215A Signal processing method and device |
| 12/03/2008 | CN101317214A Signal processing method and device |
| 12/03/2008 | CN100440758C Phonetic coder, phonetic decoder and phonetic coding/decoding method |
| 12/03/2008 | CN100440317C Voice frequency compression method of digital deaf-aid |
| 12/03/2008 | CN100440316C Audio-frequency decoding system and method with ring buffer |
| 12/03/2008 | CN100440314C High quality real time sound changing method based on speech sound analysis and synthesis |
| 12/02/2008 | US7461004 Content filtering for a digital audio signal |
| 12/02/2008 | US7461003 Methods and apparatus for improving the quality of speech signals |
| 12/02/2008 | US7461002 Method for time aligning audio signals using characterizations based on auditory events |
| 12/02/2008 | US7460993 Adaptive window-size selection in transform coding |
| 12/02/2008 | US7460991 System and method for shaping a data signal for embedding within an audio signal |
| 12/02/2008 | US7460990 Efficient coding of digital media spectral data using wide-sense perceptual similarity |
| 12/02/2008 | US7460726 Integrating steganographic encoding in multimedia content |
| 12/02/2008 | US7460667 Digital hidden data transport (DHDT) |
| 12/02/2008 | US7460629 Method and apparatus for frame-based buffer control in a communication system |
| 12/02/2008 | US7460477 Electronic apparatus with communication device |
| 11/27/2008 | WO2008143569A1 Improved voice activity detector |
| 11/27/2008 | WO2008142874A1 Voice coder and decoder |
| 11/27/2008 | WO2008142577A2 Embedded recording and playback device for a musical instrument and method thereof |
| 11/27/2008 | WO2008141579A1 An encoding and decoding method for audio transient signal |
| 11/27/2008 | WO2008076534A3 Code excited linear prediction speech coding |
| 11/27/2008 | WO2007044377B1 Neural network classifier for seperating audio sources from a monophonic audio signal |
| 11/27/2008 | US20080294446 Layer based scalable multimedia datastream compression |
| 11/27/2008 | US20080294445 Method and apapratus for sinusoidal audio coding |
| 11/27/2008 | US20080294444 Method and Apparatus for Decoding an Audio Signal |
| 11/27/2008 | US20080294429 Adaptive tilt compensation for synthesized speech |
| 11/27/2008 | US20080294428 Packet loss concealment |
| 11/27/2008 | US20080293381 Wireless Methods Using Signature Codes |
| 11/27/2008 | US20080291904 Telecommunications System for Minimizing the Effect of White Noise Data Packets for the Generation of Required White Noise on Transmission Channel Utilization |
| 11/27/2008 | DE102007023683A1 Verfahren zur individuellen und gezielten Klangbeaufschlagung einer Person und Vorrichtung zur Durchführung des Verfahrens A process for the individual and purposeful Klangbeaufschlagung a person and apparatus for carrying out the method |
| 11/26/2008 | EP1995723A1 Neuroevolution training system |
| 11/26/2008 | EP1995721A1 Parametric joint-coding of audio sources |
| 11/26/2008 | EP1994531A2 Improved coding/decoding of a digital audio signal, in celp technique |
| 11/26/2008 | EP1994530A1 Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples |
| 11/26/2008 | EP1639826B1 Raising detectability of additional data in a media signal having few frequency components |
| 11/26/2008 | EP1312230B1 Method and apparatus for using non-symmetric speech coders to produce non-symmetric links in a wireless communication system |
| 11/26/2008 | CN101313355A Method and apparatus for encoding/decoding multi-channel audio signal |
| 11/26/2008 | CN101312042A Quantizer self-adaptive regulation method for sensing audio encoding |
| 11/26/2008 | CN101312041A Apparatus and methods for multichannel digital audio coding |
| 11/26/2008 | CN100438627C Encoding controller and encoding system |
| 11/26/2008 | CN100438536C Delection of partial voice message |
| 11/26/2008 | CN100438464C Adapting playout buffer based on audio burst length |
| 11/25/2008 | US7457757 Intelligibility control for speech communications systems |
| 11/25/2008 | US7457756 Method of generating time-frequency signal representation preserving phase information |
| 11/25/2008 | US7457747 Noise detection for audio encoding by mean and variance energy ratio |
| 11/25/2008 | US7457746 Pitch prediction for packet loss concealment |
| 11/25/2008 | US7457745 Method and apparatus for fast on-line automatic speaker/environment adaptation for speech/speaker recognition in the presence of changing environments |
| 11/25/2008 | US7457744 Method of estimating pitch by using ratio of maximum peak to candidate for maximum of autocorrelation function and device using the method |
| 11/25/2008 | US7457743 Method for improving the coding efficiency of an audio signal |
| 11/25/2008 | US7457742 Variable rate audio encoder via scalable coding and enhancement layers and appertaining method |
| 11/25/2008 | CA2405678C Voice transmitting and receiving system |
| 11/20/2008 | WO2008139677A1 Data processor |
| 11/20/2008 | WO2008139270A1 Generating a frame of audio data |
| 11/20/2008 | WO2008138276A1 An audio frequency encoding and decoding method and device |
| 11/20/2008 | WO2008138267A1 A post-processing method and apparatus for realizing fundamental tone enhancement |
| 11/20/2008 | WO2008138263A1 A method and device of generating comfort noise parameters |
| 11/20/2008 | WO2008100503A3 Improved ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners |
| 11/20/2008 | WO2008033236A3 System and methods for an identity theft protection bot |
| 11/20/2008 | US20080288262 Decoding apparatus and decoding method |
| 11/20/2008 | US20080288261 Method for dynamically adjusting audio decoding process |
| 11/20/2008 | US20080288248 Voice model for speech processing based on ordered average ranks of spectral features |
| 11/20/2008 | US20080288246 Selection of preferential pitch value for speech processing |
| 11/20/2008 | US20080288245 Tandem-free intersystem voice communication |
| 11/20/2008 | US20080285953 Reproduction Apparatus, Reproduction Processing Circuit, Reproduction Method, Reproduction Program, and Computer-Readable Record Medium with Reproduction Program |
| 11/20/2008 | US20080285599 Control Mechanism for Adaptive Play-Out with State Recovery |
| 11/20/2008 | US20080285405 Playback Device For Information Data Sets |
| 11/19/2008 | EP1991986A2 Methods and arrangements for audio coding and decoding |
| 11/19/2008 | EP1991985A1 Method, medium, and system generating a stereo signal |
| 11/19/2008 | EP1991984A1 Method, medium, and system synthesizing a stereo signal |
| 11/19/2008 | EP1735775B8 Method for representing multi-channel audio signals |
| 11/19/2008 | CN101310329A Method and apparatus for resynchronizing packetized audio streams |
| 11/19/2008 | CN101310328A Method and apparatus for signal processing |
| 11/19/2008 | CN101309317A Audio processing apparatus of mobile terminal and method thereof |
| 11/19/2008 | CN101309085A Method for dynamically adjusting audio decoding process and method for decoding audio information |
| 11/19/2008 | CN101308661A Quantizer code rate distortion controlling means based on advanced audio coder |
| 11/19/2008 | CN101308660A Decoding terminal error recovery method of audio compression stream |
| 11/19/2008 | CN101308659A Psychoacoustics model processing method based on advanced audio decoder |
| 11/19/2008 | CN101308658A Audio decoder based on system on chip and decoding method thereof |
| 11/19/2008 | CN101308657A Code stream synthesizing method based on advanced audio coder |