Patents
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)
06/2009
06/24/2009CN100505061C Method and apparatus for generating, embedding and detecting watermark signal
06/24/2009CN100505042C Multi-channel speech processor with increased channel density
06/24/2009CN100504922C Method and system to process a digital image
06/24/2009CN100504840C Method for fast dynamic estimation of background noise
06/23/2009US7552225 Enhanced media resource protocol messages
06/23/2009US7552048 Method and device for performing frame erasure concealment on higher-band signal
06/23/2009US7551972 Audio signal processing apparatus
06/23/2009CA2317593C Vehicle computer system with audio entertainment system
06/18/2009WO2009076666A1 Fast algorithms for computation of 5-point dct-ii, dct-iv, and dst-iv, and architectures
06/18/2009WO2009075990A1 Grapheme-to-phoneme conversion using acoustic data
06/18/2009WO2009075511A1 A method and an apparatus for processing a signal
06/18/2009WO2009075510A1 A method and an apparatus for processing a signal
06/18/2009WO2009075326A1 Coding method, decoding method, device using the methods, program, and recording medium
06/18/2009US20090157413 Speech encoding apparatus and speech encoding method
06/18/2009US20090157411 Methods and apparatuses for encoding and decoding object-based audio signals
06/18/2009US20090157406 Acoustic Signal Transmission Method And Acoustic Signal Transmission Apparatus
06/18/2009US20090157397 Voice Rule-Synthesizer and Compressed Voice-Element Data Generator for the same
06/18/2009US20090157396 Voice data signal recording and retrieving
06/18/2009US20090157395 Adaptive codebook gain control for speech coding
06/18/2009US20090157394 System and method for frequency domain audio speed up or slow down, while maintaining pitch
06/18/2009US20090157393 Encoding device and decoding device
06/18/2009US20090157391 Extraction and Matching of Characteristic Fingerprints from Audio Signals
06/18/2009US20090154721 Image apparatus and method for transmitting audio data
06/18/2009US20090154448 Terminal equipment of communication system and method thereof
06/18/2009US20090154380 Echo Cancellation For A Packet Voice System
06/18/2009CA2706283A1 Fast algorithms for computation of 5-point dct-ii, dct-iv, and dst-iv, and architectures
06/17/2009EP2071827A2 Transmission and reception of audio and/or video material
06/17/2009EP2071565A2 Coding apparatus and decoding apparatus
06/17/2009EP2071564A1 Methods and apparatuses for encoding and decoding object-based audio signals
06/17/2009EP2071563A1 Methods and apparatuses for encoding and decoding object-based audio signals
06/17/2009EP2070389A1 Dialogue enhancement techniques
06/17/2009EP2070294A2 Supporting a decoding of frames
06/17/2009EP2070085A1 Packet based echo cancellation and suppression
06/17/2009EP2070084A2 Prosody conversion
06/17/2009EP2070083A2 System and method for providing redundancy management
06/17/2009EP2070082A1 Systems, methods and apparatus for frame erasure recovery
06/17/2009EP2070081A1 Methods and apparatuses for encoding and decoding object-based audio signals
06/17/2009EP2070080A1 Methods and apparatuses for encoding and decoding object-based audio signals
06/17/2009EP1864279B1 Device and method for producing a data flow and for producing a multi-channel representation
06/17/2009EP1743326A4 Lossless multi-channel audio codec
06/17/2009EP1741093A4 Scalable lossless audio codec and authoring tool
06/17/2009EP1493237B1 Power control in mobile communication systems
06/17/2009EP1234464B1 Mobile phone with interactive printer
06/17/2009CN101460998A Linear predictive coding of an audio signal
06/17/2009CN101460997A Binaural multi-channel decoder in the context of non-energy-conserving upmix rules
06/17/2009CN101458930A Excitation signal generation in bandwidth spreading and signal reconstruction method and apparatus
06/17/2009CN101458929A Generating water marked copies of audio signals and detecting them using a shuffle data store
06/16/2009US7548864 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks
06/16/2009US7548853 Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
06/16/2009US7548851 Digital multimedia jukebox
06/16/2009US7548790 Effective deployment of temporal noise shaping (TNS) filters
06/16/2009US7548643 Methods, objects and apparatus employing machine readable data
06/11/2009WO2009072777A1 Apparatus and method of enhancing quality of speech codec
06/11/2009WO2009072685A1 A method and an apparatus for processing an audio signal
06/11/2009WO2009072571A1 Coding method, device using the method, program, and recording medium
06/11/2009WO2009071115A1 A packet generator
06/11/2009WO2009071018A1 Fixed code book searching method and searcher
06/11/2009WO2009046460A3 Phase-amplitude 3-d stereo encoder and decoder
06/11/2009WO2009046223A3 Spatial audio analysis and synthesis for binaural reproduction and format conversion
06/11/2009WO2009022193A3 Devices, methods and computer program products for audio signal coding and decoding
06/11/2009WO2008100385A4 Embedded silence and background noise compression
06/11/2009US20090150165 Encoding and detecting apparatus
06/11/2009US20090150164 Tri-model audio segmentation
06/11/2009US20090150162 Stereo encoding apparatus, stereo decoding apparatus, and their methods
06/11/2009US20090150161 Synchronizing parametric coding of spatial audio with externally provided downmix
06/11/2009US20090150143 MDCT domain post-filtering apparatus and method for quality enhancement of speech
06/11/2009US20090148123 Data transmission apparatus and data transmission method
06/10/2009EP2068544A1 Voice mixing method, multipoint conference server using the method, and program
06/10/2009EP2068307A1 Enhanced coding and parameter representation of multichannel downmixed object coding
06/10/2009EP2068306A1 Frame error concealment method and apparatus for highband signal
06/10/2009EP2067138A2 Encoding and decoding of audio objects
06/10/2009EP1335496B1 Coding and decoding
06/10/2009CN101454829A Method and apparatus to search fixed codebook and method and appratus to encode/decode a speech signal using the method and apparatus to search fixed codebook
06/10/2009CN101454828A Method and apparatus for decoding an audio signal
06/10/2009CN100499701C Method and apparatus for an interactive voice response system
06/10/2009CN100498934C Novel rapid fixed codebook searching method
06/10/2009CN100498933C Transcoder and code conversion method
06/10/2009CN100498259C Device and method for synchronising additional data and base data
06/09/2009US7546508 Codec-assisted capacity enhancement of wireless VoIP
06/09/2009US7546467 Time domain watermarking of multimedia signals
06/09/2009US7546466 Decoding of watermarked information signals
06/09/2009US7546395 Navagation processing between a tracker hardware device and a computer host based on a satellite positioning solution system
06/09/2009US7546240 Coding with improved time resolution for selected segments via adaptive block transformation of a group of samples from a subband decomposition
06/09/2009US7546239 Speech coder and speech decoder
06/09/2009US7546238 Digital circuit transmission device
06/09/2009US7546237 Bandwidth extension of narrowband speech
06/09/2009US7545835 Method and apparatus for generating information signal to be recorded
06/09/2009CA2174413C Steganographic methods and apparatuses
06/04/2009WO2009068087A1 Multichannel audio coding
06/04/2009WO2009068086A1 Mutichannel audio encoder, decoder, and method thereof
06/04/2009WO2009068085A1 An encoder
06/04/2009WO2009068084A1 An encoder
06/04/2009WO2009068083A1 An encoder
06/04/2009WO2009067883A1 An encoding/decoding method and a device for the background noise
06/04/2009WO2009067741A1 Bandwidth compression of parametric soundfield representations for transmission and storage
06/04/2009WO2009051404A3 A method and an apparatus for processing a signal
06/04/2009WO2009051401A3 A method and an apparatus for processing a signal
06/04/2009WO2008114090A3 Method of transmitting data in a communication system
06/04/2009US20090144131 Advertising method and apparatus
06/04/2009US20090144063 Method and apparatus for control of randering multiobject or multichannel audio signal using spatial cue