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| Application No. | Application Title | Issue Date |
| 20120128162 | MIXED LOSSLESS AUDIO COMPRESSION A mixed lossless audio compression has application to a unified lossy and lossless audio compression scheme that combines lossy and lossless audio compression within a same audio signal. The mixed lossless compression codes a transition frame between lossy and lossless ... | 05/24/2012 |
| 20120082316 | MULTI-CHANNEL AUDIO ENCODING AND DECODING An audio encoder and decoder use architectures and techniques that improve the efficiency of multi-channel audio coding and decoding. The described strategies include various techniques and tools, which can be used in combination or independently. For example, an audio ... | 04/05/2012 |
| 20120070007 | APPARATUS AND METHOD FOR BANDWIDTH EXTENSION FOR MULTI-CHANNEL AUDIO A method and apparatus of effectively encoding and decoding a high-frequency signal of a multi-channel audio are provided. A multi-channel audio decoding apparatus may down-mix a multi-channel audio input signal, expand a number of channels of the down-mixed signal, sel... | 03/22/2012 |
| 20120051547 | APPARATUS FOR DETERMINING A SPATIAL OUTPUT MULTI-CHANNEL AUDIO SIGNAL An apparatus for determining a spatial output multi-channel audio signal based on an input audio signal and an input parameter. The apparatus includes a decomposer for decomposing the input audio signal based on the input parameter to obtain a first decomposed signal an... | 03/01/2012 |
| 20120045067 | ENCODING DEVICE, DECODING DEVICE, AND METHODS THEREFOR Disclosed are a encoding device, a decoding device, and encoding and decoding methods, wherein when a multi-channel signal is encoded with high efficiency, using an adaptive filter, the number of arithmetic operations to update a filter coefficient of the adaptive filte... | 02/23/2012 |
| 20120039477 | AUDIO SIGNAL SYNTHESIZING An audio synthesizing apparatus receives an encoded signal comprising a downmix signal and parametric extension data for expanding the downmix signal to a multi-sound source signal. A decomposition processor (205) performs a signal decomposition of the downmix si... | 02/16/2012 |
| 20120033819 | SIGNAL PROCESSING METHOD, ENCODING APPARATUS THEREFOR, DECODING APPARATUS THEREFOR, AND INFORMATION STORAGE MEDIUM Provided are a signal processing method capable of inserting additional information into a bitstream without departing from the AC-3 standard or the Enhanced AC-3 standard. The signal processing method includes: extracting additional information which is for performing ... | 02/09/2012 |
| 20120002818 | Advanced Stereo Coding Based on a Combination of Adaptively Selectable Left/Right or Mid/Side Stereo Coding and of Parametric Stereo Coding The application relates to audio encoder and decoder systems. An embodiment of the encoder system comprises a downmix stage for generating a downmix signal and a residual signal based on a stereo signal. In addition, the encoder system comprises a parameter determining ... | 01/05/2012 |
| 20110317842 | APPARATUS, METHOD AND COMPUTER PROGRAM FOR UPMIXING A DOWNMIX AUDIO SIGNAL An apparatus for upmixing a downmix audio signal describing one or more downmix audio channels into an upmixed audio signal describing a plurality of upmixed audio channels includes an upmixer configured to apply temporally variable upmixing parameters to upmix the down... | 12/29/2011 |
| 20110311063 | EMBEDDING AND EXTRACTING ANCILLARY DATA The invention proposes a method for embedding an ancillary data into a compressed audio signal. This is achieved by replacing Least Significant Bits (LSBs) in at least one frequency subband of the compressed audio signal by the ancillary data. When replacing LSB bits of... | 12/22/2011 |
| 20110305343 | Method and system decoding audio data with selective power control Provided is an audio data decoding system and method that may selectively transfer compressed audio data from a top system to at least one audio input buffer of a separately provided and/or separately power management controlled subsystem, restore the compressed audio d... | 12/15/2011 |
| 20110305344 | METHOD AND APPARATUS FOR THREE-DIMENSIONAL ACOUSTIC FIELD ENCODING AND OPTIMAL RECONSTRUCTION A method and apparatus to encode audio with spatial information in a manner that does not depend on the exhibition setup, and to decode and play out optimally for any given exhibition setup, maximizing the sweet-spot area, and including setups with loudspeakers at diffe... | 12/15/2011 |
| 20110293099 | System, medium and method of encoding/decoding multi-channel audio signals An system, method, and method of encoding/decoding a multi-channel audio signal, including a decoding level generation unit producing decoding-level information that helps a bitstream including a number of audio channel signals and space information to be decoded into a... | 12/01/2011 |
| 20110268280 | AUDIO SIGNAL DECODING DEVICE AND METHOD OF BALANCE ADJUSTMENT Disclosed is an audio signal decoding device and a method of balance adjustment that reduces a fluctuation of a decoded signal orientation and maintains a stereo perception. An interchannel correlation computation unit (224) computes a correlation between a left ... | 11/03/2011 |
| 20110268279 | AUDIO ENCODING DEVICE, DECODING DEVICE, METHOD, CIRCUIT, AND PROGRAM Provided is an encoding device (1) including: a pitch contour analysis unit (101) which detects information, a dynamic time-warping unit (102) which generates, based on the information, pitch change ratios (Tw_ratio in | 11/03/2011 |
| 20110261969 | BIPHASE MARK CODE DECODER AND METHOD OF OPERATION Biphase mark codes (BMC) are used in digital communications. Most BMC formats use preambles for rate determination and synchronization. A decoder compares the intervals of continuous high or continuous low voltages in a BMC stream to predetermined minimum and maximum va... | 10/27/2011 |
| 20110249822 | ADVANCED ENCODING OF MULTI-CHANNEL DIGITAL AUDIO SIGNALS A method is provided for coding a multi-channel audio signal representing a sound scene comprising a plurality of sound sources. The method comprises decomposing the multi-channel signal into frequency bands and the following performed per frequency band: obtaining data... | 10/13/2011 |
| 20110249821 | ENCODING OF MULTICHANNEL DIGITAL AUDIO SIGNALS A method for coding a multi-channel audio signal representing a sound scene comprising a plurality of sound sources is provided. This method comprises decomposing the multi-channel signal into frequency bands and, per frequency band, obtaining directivity information pe... | 10/13/2011 |
| 20110211703 | Stereo Compatible Multi-Channel Audio Coding A parametric representation of a multi-channel audio signal having parameters suited to be used together with a monophonic downmix signal to calculate a reconstruction of the multi-channel audio signal can efficiently be derived in a stereo-backwards compatible way when... | 09/01/2011 |
| 20110200196 | APPARATUS FOR DETERMINING A SPATIAL OUTPUT MULTI-CHANNEL AUDIO SIGNAL An apparatus for determining a spatial output multi-channel audio signal based on an input audio signal and an input parameter. The apparatus includes a decomposer for decomposing the input audio signal based on the input parameter to obtain a first decomposed signal an... | 08/18/2011 |
| 20110200197 | Methods and Apparatuses for Encoding and Decoding Object-Based Audio Signals An audio decoding method and apparatus and an audio encoding method and apparatus which can efficiently process object-based audio signals are provided. The audio decoding method includes receiving a downmix signal and object-based side information, the downmix signal c... | 08/18/2011 |
| 20110182432 | CODING APPARATUS AND DECODING APPARATUS A coding apparatus which suppresses an extreme increase in a bit rate, includes: a downmixing and coding unit (301) that downmixes audio signals that have been provided, to reduce the number of channels to be fewer than the number of the provided audio signals, a... | 07/28/2011 |
| 20110182433 | DECODING APPARATUS, DECODING METHOD, ENCODING APPARATUS, ENCODING METHOD, AND EDITING APPARATUS A decoding apparatus (10) is disclosed which includes: a storing means (11) for storing encoded audio signals including multi-channel audio signals; a transforming means (40) for transforming the encoded audio signals to generate transform block-bas... | 07/28/2011 |
| 20110164756 | Cue-Based Audio Coding/Decoding Generic and specific C-to-E binaural cue coding (BCC) schemes are described, including those in which one or more of the input channels are transmitted as unmodified channels that are not downmixed at the BCC encoder and not upmixed at the BCC decoder. The specific BCC ... | 07/07/2011 |
| 20110158415 | Audio Signal Decoder, Audio Signal Encoder, Encoded Multi-Channel Audio Signal Representation, Methods and Computer Program An audio signal decoder for providing a decoded multi-channel audio signal representation on the basis of an encoded multi-channel audio signal representation has a time warp decoder configured to selectively use individual audio channel specific time warp contours or a... | 06/30/2011 |
| 20110142245 | Output control apparatus, output controlling method, program, and output control system Provided is an output control apparatus connected to an audio output apparatus controlling output of audio data, including: a receiving unit configured to receive encoded data obtained by encoding multi-channel audio data; a decoding unit configured to decode the encode... | 06/16/2011 |
| 20110103592 | Apparatus and method encoding/decoding with phase information and residual information Provided is an apparatus and method of encoding and decoding multiple channel signals based upon phase information and one or more residual signals.... | 05/05/2011 |
| 20110096931 | CROSSTALK SUPPRESSION A crosstalk suppression arrangement for a stereo audio system, wherein the stereo audio system comprises a left stereo channel and a right stereo channel, each comprising a driving circuit, an output impedance of the driving circuit comprising at least a first output im... | 04/28/2011 |
| 20110096932 | PARAMETRIC STEREO UPMIX APPARATUS, A PARAMETRIC STEREO DECODER, A PARAMETRIC STEREO DOWNMIX APPARATUS, A PARAMETRIC STEREO ENCODER A parametric stereo upmix apparatus (300, 400) generating a left signal (206) and a right signal (207) from a mono downmix signal (204) based on spatial parameters (205). Said parametric stereo upmix being characterized in that it comp... | 04/28/2011 |
| 20110091045 | Audio Encoding and Decoding An audio encoder (109) has a hierarchical encoding structure and generates a data stream comprising one or more audio channels as well as parametric audio encoding data. The encoder (109) comprises an encoding structure processor (305) which inserts... | 04/21/2011 |
| 20110091046 | BINAURAL MULTI-CHANNEL DECODER IN THE CONTEXT OF NON-ENERGY-CONSERVING UPMIX RULES A multi-channel decoder for generating a binaural signal from a downmix signal using upmix rule information on an energy-error introducing upmix rule for calculating a gain factor based on the upmix rule information and characteristics of head related transfer function ... | 04/21/2011 |
| 20110085670 | TIME SLOT POSITION CODING OF MULTIPLE FRAME TYPES Spatial information associated with an audio signal is encoded into a bitstream, which can be transmitted to a decoder or recorded to a storage media. The bitstream can include different syntax related to time, frequency and spatial domains. In some embodiments, the bit... | 04/14/2011 |
| 20110058679 | Method, Device, Encoder Apparatus, Decoder Apparatus and Audio System A method and a device are described for processing a stereo signal obtained from an encoder, which encodes an N-channel audio signal into spatial parameters (P) and a stereo down-mix comprising first and second stereo signals (L0, R0). A first sign... | 03/10/2011 |
| 20110051938 | METHOD AND APPARATUS FOR ENCODING AND DECODING STEREO AUDIO A method of encoding stereo audio that minimizes a number of pieces of side information required for parametric-encoding and parametric-decoding of the stereo audio. The side information may include parameters about interchannel intensity difference (IID), interchannel ... | 03/03/2011 |
| 20110051939 | METHOD AND APPARATUS FOR ENCODING AND DECODING STEREO AUDIO A method of encoding stereo audio that minimizes a number of pieces of side information required for parametric-encoding and parametric-decoding of the stereo audio. The side information may include parameters about interchannel intensity difference (IID), interchannel ... | 03/03/2011 |
| 20110051940 | DECODING DEVICE, CODING AND DECODING DEVICE, AND DECODING METHOD There was no method of positioning virtual sound sources of object signals obtained from received coded object information, in a listening space on a receiving site side. Provided are an object decoding unit (806) that receives a plurality of pieces of coded acou... | 03/03/2011 |
| 20110044457 | APPARATUS AND METHOD FOR RESTORING MULTI-CHANNEL AUDIO SIGNAL USING HE-AAC DECODER AND MPEG SURROUND DECODER Provided is a method for controlling synchronizing downmix signals and MPEG surround side information signals by controlling a delay according to the kind of downmix audio signals in an MPEG surround decoder. When multi-channel audio signals are restored using an HE-AAC... | 02/24/2011 |
| 20110044459 | SLOT POSITION CODING OF SYNTAX OF SPATIAL AUDIO APPLICATION Spatial information associated with an audio signal is encoded into a bitstream, which can be transmitted to a decoder or recorded to a storage media. The bitstream can include different syntax related to time, frequency and spatial domains. In some embodiments, the bit... | 02/24/2011 |
| 20110044458 | SLOT POSITION CODING OF RESIDUAL SIGNALS OF SPATIAL AUDIO CODING APPLICATION Spatial information associated with an audio signal is encoded into a bitstream, which can be transmitted to a decoder or recorded to a storage media. The bitstream can include different syntax related to time, frequency and spatial domains. In some embodiments, the bit... | 02/24/2011 |
| 20110002469 | Apparatus for Capturing and Rendering a Plurality of Audio Channels A method comprising selecting a subset of audio sources from a plurality of audio sources, and transmitting signals from said selected subset of audio sources to an apparatus, wherein said subset of audio sources is selected in dependence on information provided by said... | 01/06/2011 |
