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8295493 Method to generate multi-channel audio signal from stereo signals  
An exemplary embodiment of the invention can generate multiple output audio signals from multiple input audio signals, in which the number of output signals is equal to or higher than the number...
8290169 Time shifted harmonics generator  
An electrical signal derived from an audio source is passed through an amplifier and is then divided into two discrete signal paths. The signal traveling along the first path travels through a...
8284957 Method and apparatus for stereo enhancement of an audio system  
A processing apparatus which is suitable for signal communication with a system having at least one of an input module and an output module. The processing apparatus can be configured to receive...
8284956 Method and system for enhancing bass effect in audio signals  
The quality of music output from audio systems is improved by simulating the effect of low frequency signals in the human ear. This thus allows listeners to perceive the lower frequency signals,...
8280077 Stream segregation for stereo signals  
Separating a source in a stereo signal having a left channel and a right channel includes transforming the signal into a short-time transform domain; classifying portions of the signals having...
8280462 Distributed sound enhancement  
Sound quality is enhanced in a sound system including handsets and headsets. Handset sound enhancing algorithms are implemented in a handset. The handset automatically determines which, if any, of...
8270616 Virtual surround for headphones and earbuds headphone externalization system  
A combination of techniques for modifying sound provided to headphones to simulate a surround-sound speaker environment with listener adjustments. In one embodiment, Head Related Transfer...
8265283 Acoustic processing device and acoustic processing method  
An acoustic processing device, includes an inputting section which receives a first audio signal and a second audio signal, a first input signal amplifying section which amplifies the first audio...
8259964 Sound device  
A sound device includes an input terminal for electronic signal input; a line out terminal adapted to output electronic signals input on the input terminal to an external area; a delay arrangement...
8259952 Vehicle entertainment system having ground noise reduction and method of operating the same  
A vehicle entertainment system and method that alternately configures an input of the entertainment system as a differential input that is decoupled from a ground point, or as ground referenced...
8254612 Sound system for portable electronic device  
A sound system (30) for a portable electronic device (20) is provided. The sound system includes a sound generator (28), a sound processor (25), and a speaker subsystem (24). The sound generator...
8254583 Method and apparatus to reproduce stereo sound of two channels based on individual auditory properties  
A method and apparatus to reproduce stereo sound, which generates optimal stereo sound designed for individual auditory properties. The method includes generating a one or more virtual surround...
8243969 Method of and device for generating and processing parameters representing HRTFs  
A method of generating parameters representing Head-Related Transfer Functions, the method comprising the steps of a) sampling with a sample length (n) a first time-domain HRTF impulse response...
8243970 Virtual reality sound for advanced multi-media applications  
The method and apparatus described herein generates realistic audio for a virtual reality simulation based on the position (location and orientation) of a participant's head. The audio may be...
8238589 Objective quantification of auditory source width of a loudspeakers-room system  
A source width estimation system may estimate an auditory source width of a sound. The system detects a first frequency modulated noise signal and a second frequency modulated noise signal. The...
8233629 Interaural time delay restoration system and method  
An apparatus for processing audio data comprising an interaural time delay correction factor unit for receiving a plurality of channels of audio data and generating an interaural time delay...
8229143 Stereo expansion with binaural modeling  
A method for stereo expansion includes a step to remove the effects of actual relative speaker to listener positioning and head shadow and a step to introduce an artificial effect based on a...
8223992 Speaker array apparatus  
A speaker array apparatus includes a speaker array that emits sounds of a plurality of channels, a beam formation calculating section that performs a calculation for controlling phases of the...
8223999 Speaker configuration  
A system and method for speaker configuration in an audio and video housing, wherein the audio and video housing may be supported by stands located on top of a gas pump. The audio and video...
8215989 Audio jack with EMI shielding  
An audio jack for an audio plug for use in an electrical device, comprising a non-conductive enclosure having a front side and defining a cavity having an aperture within the front side for...
8218798 Sound processor  
A sound processor includes N (N is an integer of five or more) speakers, a sound source configured to output N sound signals an additional sound source configured to output an additional sound...
8208639 Audio output device and audio output method  
An audio output device includes: a speaker unit including at least first to third speakers; and an audio signal processor configured to select either one of a first mode for outputting a stereo...
8204234 Apparatus and method for generating binaural beat from stereo audio signal  
An apparatus and method for generating a binaural beat for brainwave induction is provided. Upon receipt of a stereo audio signal, a decorrelator extracts a common component existing in common in...
8199940 Audio reproduction system and speaker apparatus  
An audio reproduction system includes: a first speaker arranged near a listener and behind a head of the listener with a speaker unit being held by first holding means to make it possible to mix...
8194884 Aligning time variable multichannel audio  
Systems, methods, and apparatus, including computer program products, for audio editing are provided. In some implementations, a method is provided. The method includes receiving audio data having...
8194863 Speaker system  
A speaker array is provided which can increase the orientation when reproducing front channels of a surround sound, increase the density effect, improve the narrow directivity when reproducing a...
8189795 Sound signal outputting device, sound signal outputting method, and computer-readable recording medium  
A sound signal outputting device includes a receiving section which receives signals on a plurality of channels, a band splitting section which splits the signals on the plurality of channels to...
8175287 Sound device  
A sound device includes an input terminal for electronic signal input; a line out terminal adapted to output electronic signals input on the input terminal to an external area; a delay arrangement...
8175279 Integrated vehicle audio system  
A loudspeaker, amplifier, media source, user interface, and mechanical interface are all contained in a single unit. The unit has a first portion configured to mount in a vehicle radio mounting...
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...
8175867 Voice communication apparatus  
A voice communication apparatus includes a communication portion that receives a plurality of frames including at least a first frame having first voice data and a second frame having second voice...
8170217 Audio signal processing apparatus  
An audio signal processing apparatus is provided. The audio signal processing apparatus comprises a clock generator, a processing module, an amplifying module and an output module. The clock...
8160277 Method for outputting audio signals and audio decoder  
Method for outputting an audio signal to an audio output, comprising outputting a first audio signal to said audio output; providing a second audio signal; determining a point in time, wherein at...
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...
8160889 System for providing an acoustic signal with extended bandwidth  
A bandwidth extension system extends the bandwidth of an acoustic signal. By shifting a portion of the signal by a frequency value, the system generates an upper bandwidth extension signal. An...
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...
8155324 Voice processor, voice processing method, program, and information recording medium  
A calculating unit (201) arranges a three-dimensional spatial body containing a listening point within a virtual space in a voice processor (200). The three-dimensional spatial body is constituted...
8150060 Surround sound outputting device and surround sound outputting method  
A surround sound outputting device includes a receiving portion which receives signals on a plurality of channels, a storing portion which stores measuring sound data representing a sound, an...
8150080 Method for adapting a hearing aid using a genetic feature  
The present invention relates to a method for adapting a hearing aid with at least one input converter, a signal processing device and an output converter by using a genetic feature of the wearer...
8135136 Audio signal enhancement  
A device (10) for enhancing a multi-channel (e.g. stereo) audio signal has a parameter adjustment unit (13) for adjusting an original parameter (α, ILD, ICC) which represents an original...
8130790 Digital communications system with variable-bandwidth traffic channels  
Electronic devices and equipment may communicate over a wired communications path. The wired communications path may include one or more wires and may be associated with a headphone cable. Data...
8130977 Cluster of first-order microphones and method of operation for stereo input of videoconferencing system  
An arbitrarily positioned cluster of three microphones can be used for stereo input of a videoconferencing system. To produce stereo input, right and left weightings for signal inputs from each of...
8121570 Method and system for flexible FM tuning  
A system for processing signals is disclosed and may include a single chip having an integrated Bluetooth radio and an integrated FM radio. The single chip may include at least one processor that...
8116465 Measuring apparatus and method, and recording medium  
A sound measuring apparatus includes an impulse response obtaining section obtaining an impulse response, a positive transform section performing a positive transform on the impulse response...
8111839 Always on headwear recording system  
A system that records audio and stores the recording is provided. The system includes first and second monitoring assemblies mounted in an earpiece that occludes and forms an acoustic seal of an...
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...
8111845 System having a pulse width modulation device  
A system, a device and a method for pulse width modulation is disclosed. One embodiment includes a pulse width modulation device, a first pulse width modulation mapper for pulse width modulation...
8107632 Digital signal processing apparatus, method thereof and headphone apparatus  
A digital signal processing apparatus in which a first digital filter reproduces that part of an impulse response that responds fast, and a decimation filter converts the output of a delay device...
8107631 Correlation-based method for ambience extraction from two-channel audio signals  
A method of ambience extraction includes analyzing an input signal to determine the time-dependent and frequency-dependent amount of ambience in the input signal, wherein the amount of ambience is...
8103006 Spatial resolution of the sound field for multi-channel audio playback systems by deriving signals with high order angular terms  
Audio signals that represent a sound field with increased spatial resolution are obtained by deriving signals that represent the sound field with high-order angular terms. This is accomplished by...