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9031242 Simulated surround sound hearing aid fitting system  
This application relates to a system for fitting a hearing aid by testing the hearing aid patient with a three-dimensional sound field having one or more localized sound sources. In one...
9025776 Decorrelating audio signals for stereophonic and surround sound using coded and maximum-length-class sequences  
Methods and systems for processing an audio signal are provided. The method includes generating a pseudorandom sequence and generating at least one reciprocal of the pseudorandom sequence such...
9025775 Apparatus and method for adjusting spatial cue information of a multichannel audio signal  
An apparatus for enhancing a multichannel audio signal comprising at least two channels configured to: estimate a value representing a direction of arrival associated with a first audio signal...
9014377 Multichannel surround format conversion and generalized upmix  
An audio signal is processed in the frequency domain to convert an input signal format to an output signal format. That is, a multichannel audio signal intended for playback over a predefined...
9014378 Enhancing the reproduction of multiple audio channels  
This invention relates to the field of multichannel audio. More particularly, the invention relates to a method for the provision of audio channels suitable for application to loudspeakers located...
8958584 Apparatus, method, and medium for removing crosstalk  
An apparatus, method, and medium of removing crosstalk are provided. The apparatus for removing crosstalk in each of audio signals of a plurality of channels, includes: a position recognition unit...
8942980 Method of navigating in a sound content  
A method of navigating in a sound content wherein at least one key word is stored in association with at least two positions representative of said key word in the sound content, and wherein the...
8934646 Audio mixer  
Six input channels, to which are allocated 5.1-channel surround signals from a plurality of input sources, are grouped into a surround channel group, and these six input channels are connected to...
8903527 Apparatus and method for reproducing multi-sound channel contents using DLNA in mobile terminal  
An acoustic apparatus and a method thereof in a mobile terminal are provided. More particularly, an apparatus and a method for establishing a multi-sound system that provides sounds of sense of...
8892432 Signal processing system, apparatus and method used on the system, and program thereof  
Provided is a signal separation system including a rendering unit which receives a first and a second input signal and positions the first input signal according to rendering information.
8879754 Sound reproducing system with superimposed digital signal  
A home use sound reproduction system for Hi-fi, with digital signal transfer from a playback unit via a control unit to one or more active loudspeakers, each including or arranged beside an...
8873761 Audio signal processing device and audio signal processing method  
An audio signal processing device includes: head related transfer function convolution processing units convoluting head related transfer functions with audio signals of respective channels of...
8861739 Apparatus and method for generating a multichannel signal  
An apparatus comprises a processor configured to receive a first audio signal and first location data, the first location data relating to a location of a source of the first audio signal; receive...
8855320 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...
8855322 Loudness maximization with constrained loudspeaker excursion  
An original loudness level of an audio signal is maintained for a mobile device while maintaining sound quality as good as possible and protecting the loudspeaker used in the mobile device. The...
8837743 Surround sound system and method therefor  
A surround sound system comprises a receiver (301) for receiving a multichannel spatial signal that comprises at least one surround channel. A directional ultrasound transducer (305) is used for...
8831231 Audio signal processing device and audio signal processing method  
An audio signal processing device includes a processing unit for convoluting head-related transfer functions with audio signals of a plurality of channels, and the processing unit includes a...
8831934 Speech enhancement method and system  
A method of speech enhancement in a room (10) includes the steps of capturing audio signals from a speaker's voice by a microphone (12), estimating an ambient noise level in the room from the...
8804971 Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio  
A method for encoding a multichannel audio input signal, including steps of generating a downmix of low frequency components of a subset of channels of the input signal, waveform coding each...
8805561 Audio user interface with audio cursor  
An audio user interface is provided in which items are represented in an audio field by corresponding synthesized sound sources from where sounds related to the items appear to emanate. An audio...
8798276 Method and apparatus for encoding multi-channel audio signal and method and apparatus for decoding multi-channel audio signal  
A method and apparatus which encode multi-channel audio signals and a method and apparatus which decode multi-channel audio signals. When encoding, a downmixed audio signal, first additional...
8792666 Acoustic apparatus  
When a listener 10 changes the reclining angle of a backrest part 101a of a seat 101 and a head 10a of the listener 10 is thereby caused to be present outside an audible area 120a of a directional...
8781133 Apparatus for generating a multi-channel audio signal  
An apparatus for generating a multi-channel audio signal based on an input audio signal comprises a main signal upmixer, a section selector, a section signal upmixer and a combiner. The main...
8774417 Surround audio compatibility assessment  
A method for performing a surround audio compatibility assessment on a plurality of original surround channels is described herein. A surround audio compatibility assessment system accepting...
8774418 Multi-channel down-mixing device  
A down-mixing device is provided. 5.1-channel sounds are down-mixed into 4-channel sounds with high-quality multi-channel surrounding sound effect reappeared. A common-acoustic-pole and zero...
8761419 System for selecting speaker locations in an audio system  
A system is provided for configuring an audio system for a given space. The system may statistically analyze potential configurations of the audio system to configure the audio system. The...
8755542 System for selecting correction factors for an audio system  
A system is provided for configuring an audio system for a given space. The system may statistically analyze potential configurations of the audio system to configure the audio system. The...
8718537 Communication system  
A communication system has a controller for transmitting data to be played back by a plurality of playback devices corresponding to a plurality of channels, and a plurality of adapters required...
8719303 Method for enhancing the computation of CSS and accuracy of computing hardware and to promote the computation speed  
This invention proposed a new algorithm. By multiply the proposed weight coefficients of this invention, CSP and CSS can be computed without computing for the mean(s) of the data. After the...
8712061 Phase-amplitude 3-D stereo encoder and decoder  
A two-channel phase-amplitude stereo encoding and decoding scheme enabling flexible and spatially accurate interactive 3-D audio reproduction via standard audio-only two-channel transmission. The...
8705749 Audio signal transformatting  
This invention relates to reformatting a plurality of audio input signals from a first format to a second format by applying them to a dynamically-varying transformatting matrix. In particular,...
8705779 Surround sound virtualization apparatus and method  
A surround sound virtualization apparatus and method. The surround sound virtualization apparatus may include an audio decoder to perform head-related transfer function (HRTF) filtering, and a...
8705751 Compression and mixing for hearing assistance devices  
This application relates to a system for compression and mixing for hearing assistance devices by application of compression to individual sound sources before mixing, according to one example....
8693697 Matrix encoder with improved channel separation  
An encoder and encoding method for use in a surround sound system wherein at least four audio input signals representing an original sound field are encoded into two channel signals and the...
8687829 Apparatus and method for multi-channel parameter transformation  
A parameter transformer generates level parameters, indicating an energy relation between a first and a second audio channel of a multi-channel audio signal associated to a multi-channel...
8675880 Device for and a method of processing data  
A device (100) for processing data, the device (100) comprising a detection unit (110) adapted for detecting individual reproduction modes indicative of a manner of reproducing the data separately...
8675899 Front surround system and method for processing signal using speaker array  
A front surround sound reproduction system which improves the performance of beam steering by using a speaker array arranged geometrically on two or more planes or on one curved surface, and a...
8670576 Method and an apparatus for processing an audio signal  
A method of processing an audio signal is disclosed. The present invention includes receiving a downmix signal including at least one object signal and object information extracted when the...
8666081 Apparatus for processing a media signal and method thereof  
A method for processing a media signal, comprising: receiving, by an audio processing apparatus, an audio signal including a first channel signal and a second channel signal; estimating center...
8665321 Image display apparatus and method for operating the same  
An image display apparatus and a method for operating the same are disclosed. The method for operating an image display apparatus includes receiving a 3-dimensional (3D) image, detecting the depth...
8660271 Stereo image widening system  
A stereo widening system and associated signal processing algorithms are described herein that can, in several embodiments, widen a stereo image with fewer processing resources than existing...
8654994 Method and an apparatus for processing an audio signal  
A method of processing an audio signal is disclosed. The present invention includes receiving a downmix signal including at least one object signal, and object information extracted when the...
8638946 Method and apparatus for creating spatialized sound  
A method and apparatus for creating spatialized sound, including the operations of determining a spatial point in a spherical coordinate system, and applying an impulse response filter...
8634577 Audio decoder  
An audio decoder (100) comprising: effect means, decoding means, and rendering means. The effect means (500) generate modified down-mix audio signals from received down-mix audio signals. Said...
8625811 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...
8619998 Spatial audio enhancement processing method and apparatus  
The present invention describes techniques that can be used to provide novel methods of spatial audio rendering using adapted M-S matrix shuffler topologies. Such techniques include headphone and...
8620012 Apparatus and method for providing stereo effect in portable terminal  
An apparatus and a method for providing a stereo effect when playing an audio file at a portable terminal are provided. The apparatus includes a component extractor for extracting a mono component...
8619996 Apparatus and method for transmitting digital multimedia broadcasting data, and method and apparatus for receiving digital multimedia broadcasting data  
Provided are a method and apparatus for transmitting digital multimedia broadcasting data, and a method and apparatus for receiving digital multimedia broadcasting data. A basic audio signal and a...
8615088 Method and an apparatus for processing an audio signal using preset matrix for controlling gain or panning  
An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes an audio signal receiving unit receiving the audio signal including at least one...
8611545 Surround generation apparatus  
A surround system includes a decoder that decodes an encoded audio data stream, a decorrelation unit that receives and decorrelates stereo signals decoded by the decoder so as to generate surround...