|
Match
|
Document |
Document Title |
|
|
8184817 |
Multi-channel acoustic signal processing device
Provided is a multi-channel acoustic signal processing device by which loads of arithmetic operations are reduced. The multi-channel acoustic signal processing device includes: a decorrelated...
|
|
|
8180061 |
Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding
The purpose of the invention is to bridge the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding by gradually improving the sound of an up-mix signal while...
|
|
|
8175280 |
Generation of spatial downmixes from parametric representations of multi channel signals
A headphone down mix signal can be efficiently derived from a parametric down mix of a multi-channel signal, when modified HRTFs (head related transfer functions) are derived from HRTFs of a...
|
|
|
8170885 |
Wideband audio signal coding/decoding device and method
Disclosed is a wideband audio signal coding/decoding device and method that may code a wideband audio signal while maintaining a low bit rate. The wideband audio signal coding device includes an...
|
|
|
8170218 |
Multi-channel audio treatment system and method
A multi-channel audio treatment method ensuring compatibility of a multi-channel signal and a stereo signal which includes: producing a left-hand downmix channel dwnMxL(t) and a right-hand downmix...
|
|
|
8170871 |
Signal coding and decoding
An encoding device (1) and method convert a set of signals (l, r) into a dominant signal (m) containing most signal energy, a residual signal (s) containing a remainder of the signal energy, and...
|
|
|
8160258 |
Apparatus and method for encoding/decoding signal
An encoding method and apparatus and a decoding method and apparatus are provided. The decoding method includes extracting a down-mix signal and down-mix identification information from an input...
|
|
|
8160259 |
Audio signal processing apparatus, audio signal processing method, and program
An audio signal processing apparatus includes a localization direction detector that detects localization directions of two-channel input audio signals, a localization direction distribution...
|
|
|
8160260 |
Circuit and program for processing multichannel audio signals and apparatus for reproducing same
A circuit for processing multichannel audio signals, comprises a frequency characteristics correction device and an output device. The frequency characteristics correction device corrects frequency...
|
|
|
8150042 |
Method, device, encoder apparatus, decoder apparatus and audio system
Techniques are described for combining parametric multi-channel audio coding with matrixing, reconstructing a full-quality multi-channel, independent of the decoder. A stereo signal is obtained...
|
|
|
8144879 |
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...
|
|
|
8139775 |
Concept for combining multiple parametrically coded audio sources
According to the present invention, multiple parametrically encoded audio signals can be efficiently combined using an audio signal generator, which generates an audio output signal by combining...
|
|
|
8131386 |
Method and apparatus for simplified interconnection and control of audio components of an home automation system
A method and apparatus for distributing stereo signal of an audio system integrated with an home automation system. The audio system is further integrated with intercom and video intercom including...
|
|
|
8126173 |
System and method for expanding multi-speaker playback
A method includes splitting and filtering a left input signal and a right input signal to produce a plurality of frequency sub-bands. Each of the frequency sub-bands includes a left sub-band signal...
|
|
|
8121830 |
Methods and apparatus to extract data encoded in media content
Methods and apparatus to extract data encoded in media content are disclosed. An example method includes receiving a media content signal, sampling the media content signal to generate digital...
|
|
|
8116459 |
Enhanced method for signal shaping in multi-channel audio reconstruction
The present invention is based on the finding that a reconstructed output channel, reconstructed with a multi-channel reconstructor using at least one downmix channel derived by downmixing a...
|
|
|
8116460 |
Efficient and scalable parametric stereo coding for low bitrate audio coding applications
The present invention provides improvements to prior art audio codecs that generate a stereo-illusion through post-processing of a received mono signal. These improvements are accomplished by...
|
|
|
8111829 |
Method and apparatus for encoding and decoding stereo signal and multi-channel signal
Provided are a method and apparatus for encoding and decoding a stereo signal or a multi-channel signal. According to the method and apparatus, a stereo signal or a multi-channel signal can be...
|
|
|
8111830 |
Method and apparatus to provide active audio matrix decoding based on the positions of speakers and a listener
An active audio matrix decoding method and apparatus to generate multi-channel audio signals from a stereo channel audio signal. The method includes extracting characteristics of a plurality of...
|
|
|
RE43132 |
Volume control for audio signals
A motion picture soundtrack reproduction system has a center front soundtrack channel and a plurality of other soundtrack channels. A volume control adjusts the gain of all the channels. The volume...
|
|
|
8098840 |
Multi-channel output device for a multimedia device
A multi-channel output device for a multimedia device includes a plurality of reception ends, an amplifier having an input end and an output end, a plurality of sound output devices for outputting...
|
|
|
8090587 |
Method and apparatus for encoding/decoding multi-channel audio signal
Methods of encoding and decoding a multi-channel audio signal and apparatuses for encoding and decoding a multi-channel audio signal are provided. The method of decoding a multi-channel audio...
|
|
|
8090109 |
Apparatus for processing audio signal and method thereof
An apparatus for processing an audio signal and method thereof applied to an audio playback system are disclosed. The apparatus comprises a decoder, an error-correcting circuit and an audio...
|
|
|
8086448 |
Dynamic modification of a high-order perceptual attribute of an audio signal
Processing an audio signal associated with a sound recording made available to be rendered to an end user is disclosed. The audio signal is received. A high-order perceptual attribute of the audio...
|
|
|
8081763 |
Efficient and scalable parametric stereo coding for low bitrate audio coding applications
The present invention provides improvements to prior art audio codecs that generate a stereo-illusion through post-processing of a received mono signal. These improvements are accomplished by...
|
|
|
8081762 |
Controlling the decoding of binaural audio signals
A method for generating a parametrically encoded audio signal, the method comprising: inputting a multi-channel audio signal comprising a plurality of audio channels; generating at least one...
|
|
|
8081781 |
A/V amplifier and method for driving the same
For achieving an audio reproduction with high sound quality, in a multi-channel A/V amplifier, front speakers are driven with a parallel-drive bi-amplifier arrangement upon stereo reproduction. In...
|
|
|
8077474 |
Variable equalizer apparatus
A variable equalizer apparatus for forward and/or reverse equalizers in an amplifier. The system can include a structure to allow continuous contact of the signal flow as an equalizer is removed;...
|
|
|
8073144 |
Stereo balance interpolation
The present invention provides improvements to prior art audio codecs that generate a stereo-illusion through post-processing of a received mono signal. These improvements are accomplished by...
|
|
|
8064608 |
Audio decoding techniques for mid-side stereo
This disclosure describes decoding techniques for audio information encoded according to mid-side (MS) stereo encoding. The techniques involve a number of audio decoding tasks that are performed in...
|
|
|
8054981 |
Energy dependent quantization for efficient coding of spatial audio parameters
Parameters being a measure for a characteristic of a channel or of a pair of channels, wherein the parameter is a measure for a characteristic of the channel or of the pair of channels with respect...
|
|
|
8041051 |
Dual streaming with exchange of FEC streams by audio sinks
A system and method is described herein in which an audio source wirelessly transmits audio content to a first audio sink over one wireless link and to a second audio sink over another wireless...
|
|
|
8041041 |
Method and system for providing stereo-channel based multi-channel audio coding
A system for generating stereo-channel audio signals with surround information is disclosed. The system includes a surround mapping unit configured to receive signals from a number of audio...
|
|
|
8032385 |
Method for correcting metadata affecting the playback loudness of audio information
A coded signal conveys encoded audio information and metadata that may be used to control the loudness of the audio information during its playback. If the values for these metadata parameters are...
|
|
|
8027480 |
Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral mapping data stream. Audio can be...
|
|
|
8027479 |
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...
|
|
|
8019614 |
Energy shaping apparatus and energy shaping method
A temporal processing apparatus includes: a splitter splitting an audio signal, included in the sub-band domain, into diffuse signals indicating reverberating components and direct signals...
|
|
|
8014534 |
Efficient and scalable parametric stereo coding for low bitrate audio coding applications
The present invention provides improvements to prior art audio codecs that generate a stereo-illusion through post-processing of a received mono signal. These improvements are accomplished by...
|
|
|
8014535 |
Multichannel spectral vector mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral mapping data stream. Audio can be...
|
|
|
8009837 |
Multi-channel compatible stereo recording
An encoder for mixing a plurality of independent mono audio channels into a stereo recording and generating a restricted set of additional parameters used to master an audio track of a storage...
|
|
|
8010373 |
Signal coding and decoding
An encoding device (1) and method convert a set of signals (l, r) into a dominant signal (m) containing most signal energy, a residual signal (s) containing a remainder of the signal energy, and...
|
|
|
8005229 |
Method and an apparatus for decoding an audio signal
A method for processing an audio signal, comprising: receiving a downmix signal, an object information, and a mix information; generating a downmix processing information using the object...
|
|
|
7986788 |
Method and an apparatus for decoding an audio signal
A method for processing an audio signal, comprising: receiving a downmix signal, an object information, and a mix information; generating a downmix processing information using the object...
|
|
|
7983922 |
Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
On an encoder-side, a multi-channel input signal is analyzed for obtaining smoothing control information, which is to be used by a decoder-side multi-channel synthesis for smoothing quantized...
|
|
|
7983424 |
Envelope shaping of decorrelated signals
The envelope of a decorrelated signal derived from an original signal can be shaped without introducing additional distortion, when a spectral flattener is used to spectrally flatten the spectrum...
|
|
|
7965848 |
Reduced number of channels decoding
An intermediate channel representation of a multi-channel signal can be reconstructed highly efficient and with high fidelity, when upmix parameters for upmixing a transmitted downmix signal to the...
|
|
|
7966147 |
Generating images according to points of intersection for integer multiples of a sample-time distance
According to one embodiment, generating images according to intersection points includes obtaining samples of signals from transmitter-receiver pairs. A transmitter-receiver pair is configured to...
|
|
|
7965849 |
Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral mapping data stream. Audio can be...
|
|
|
7961890 |
Multi-channel hierarchical audio coding with compact side information
A parametric representation of a multi-channel audio signal describes the spatial properties of the audio signal well with compact side information when a coherence information, describing the...
|
|
|
7961889 |
Apparatus and method for processing multi-channel audio signal using space information
An apparatus for and a method of processing a multi-channel audio signal using space information. The apparatus includes: a main coding unit down mixing a multi-channel audio signal by applying...
|