Matches 1 - 50 out of 102 1 2 3 >


Match Document Document Title
US20080044038 Stereophonic sound system  
The stereophonic sound system attenuates the audio power level delivered to the auxiliary speakers relative to the audio power level delivered to the main speakers so that the radiated sound...
US20080292106 Sound Reproducing System and Automobile Using Such Sound Reproducing System  
The sound reproduction system provided for in-vehicle use includes: a music signal source; a first group of a first transducer, a second transducer, a third transducer and a fourth transducer...
US20060093158 Speaker system, audio amplifier and audio system  
Speaker system is constructed of a plurality of speakers each including a bass-reflex type cabinet. The speaker system is designed to differentiate a low-band resonance frequency between the...
US20060159287 MTM of bessels loudspeaker  
An MTM loudspeaker in which the Ms and/or the T is constructed as a Bessel Array. The shapes of the diaphragms, the transducer count, the Bessel type, and/or the acoustic center positioning can be...
US20060034469 Sound apparatus and teleconference system  
A sound apparatus includes: a sound output that forms sound waves having opposite phases in a front direction and a rear direction, respectively; a front microphone that collects the sound wave...
US20060159288 Bessel dipole loudspeaker  
A dipole loudspeaker in which the oppositely oriented transducers each is a Bessel Array. Optionally, Improved or Super Bessel Arrays are used, and their half-amplitude end position transducers...
US20090060224 SOUND PROCESSING APPARATUS, METHOD FOR CORRECTING PHASE DIFFERENCE, AND COMPUTER READABLE STORAGE MEDIUM  
There is provided a sound processing apparatus for processing received sounds. A plurality of sound receiving units which are included in the apparatus output individually a sound signal...
US20140050334 TRANSFORMING AUDIO CONTENT FOR SUBJECTIVE FIDELITY  
A method or apparatus for delivering audio programming such as music to listeners may include identifying, capturing and applying a listener's audio perception characteristics (sometimes referred...
US20080031472 Electroacoustical transducing  
Electroacoustical apparatus includes at least first and second acoustically coupled electroacoustical drivers. An electrical network couples their inputs so that an electrical drive signal applied...
US20080031473 Method of providing listener with sounds in phase and apparatus thereof  
A method of providing sounds in phase to a listener in an audio system by adjusting sounds with respect to the position of the listener includes generating first and second audio signals having...
US20070237342 METHOD OF LISTENING TO FREQUENCY SHIFTED SOUND SOURCES  
A method for listening to and comparing high-frequency sounds such as those produced by birds and insects by people suffering from high-frequency hearing loss, common among the aging population....
US20130329910 Systems and Methods for Reducing Stray Magnetic Flux  
Systems and methods for reducing the effects of stray magnetic flux are provided. For example, an electronic device can employ the system and can include a first audio component configured to have...
US20080199023 Assembly, System and Method for Acoustic Transducers  
The invention relates to an assembly of acoustic transducers, a system and a method for receiving and reproducing sound. The assembly comprises a first acoustic transducer having a directional...
US20060215853 Apparatus, method, and computer program product for reproducing sound by dividing sound field into non-reduction region and reduction region  
A sound reproducing apparatus includes an amplitude and phase adjusting unit that adjusts amplitude and phase of a sound signal which is supplied as an input, and outputs an adjusted sound signal;...
US20150043746 SOUND REPRODUCTION DEVICE  
The sound reproduction device is applied to an acoustic space such as a passenger compartment, and controls the levels of the reproduced sounds at two evaluation points set at the seats in the...
US20060147056 Phase compensation techniques to adjust for speaker deficiencies  
In an embodiment, a phase compensation system shifts the phase of an audio signal in a mid-range frequency band to compensate for phase distortion created when an electrical audio signal is...
US20060159286 Bessel array with non-empty null positions  
An e.g. 7-element Bessel Array in which the null or zero positions are occupied with sound producing means producing sound outside the Bessel functional frequency range, such as a higher frequency...
US20120033829 Audio phase corrector  
An audio phase corrector circuit which shifts the phase of substantially all frequencies of an audio signal by 90 degrees for the purpose of enhancing sound produced by an electroacoustic...
US20090214049 Electrostatic Loudspeaker Array  
A speaker system that includes an audio signal-receiving interface, a modulating circuit, a phase-control circuit, and a number of speaker units. The audio signal-receiving interface is configured...
US20130177169 SPEAKER SYSTEM  
Speaker systems having simple structure, high output power, and desired directivity are disclosed. In one embodiment, a speaker system includes a first sound emission surface that emits a first...
US20140161279 CREATION OF SUB-SAMPLE DELAYS IN DIGITAL AUDIO  
A multi-channel audio system that can provide a variable sub-sample delay between two or more audio channels. In one embodiment, a variable timing clock generator generates multiple clock signals...
US20090028358 SPEAKER ARRAY APPARATUS  
A speaker array apparatus includes a speaker array in which a plurality of speaker units are arranged, a storage section that stores installation position information of the speaker array, a...
US20090147963 Bass enhancement for audio  
A method and apparatus for conditioning an audio input signal to enhance perception and reproduction of bass frequencies. Harmonics are generated and combined with a phase-shifted version of the...
US20130034245 SPEAKERPHONE USING ADAPTIVE PHASE ROTATION  
An improved speakerphone for a cellular telephone, portable telephone handset, or the like. In one embodiment, a receiver provides an audio signal, and a first phase-shifter phase-shifts the audio...
US20090201148 SYSTEMS AND METHODS FOR CONTROLLING WIRELESS SIGNAL TRANSFERS BETWEEN ULTRASOUND-ENABLED MEDICAL DEVICES  
Systems and methods for wireless signal transfers between ultrasound-enabled medical devices are disclosed. An illustrative system includes a source device equipped with multiple transducer...
US20050169488 Acoustic characteristic adjustment device  
An improved acoustic characteristic adjustment device comprises signal processing units including high frequency convolution arithmetic sections, low frequency convolution arithmetic sections, and...
US20060018491 Single-sided Bessel array  
An improved Bessel array of electromagnetic transducers, in which the Bessel coefficients (phase and/or magnitude) are applied only in a high frequency range, where off-axis interference patterns...
US20050069148 Audio apparatus  
The present invention relates to an audio apparatus that enables all listeners at seats within a vehicle compartment to obtain the same effect of sound spread feeling and sound image rise feeling....
US20130034244 AUDIO SYSTEM, METHOD FOR GENERATING AN AUDIO SIGNAL, COMPUTER PROGRAM AND AUDIO SIGNAL  
The invention relates to an audio system for generating an audio signal. More specifically the invention relates to an audio system, especially an audio alarm system, for generating an audio...
US20060056645 Construction of certain continuous signals from digital samples of a given signal  
A method for the construction of useful signals, Q (the Hilbert transform) and I′ (the derivative) from a (Nyquist) sequence of samples of I, a given signal, which signal may or may not be...
US20100220871 SPEAKER DEVICE  
A speaker device comprises a first speaker (SP1) for reproducing an audio signal and a second speaker (SP2) adapted for reproducing an audio signal and spaced from the first speaker horizontally...
US20100040243 Sound Field Widening and Phase Decorrelation System and Method  
A system for decorrelating signals including a first all pass filter, having a first delay length, processing a first signal. A second all pass filter, having a second delay length, is connected...
US20130039512 Speaker Device And Filter Coefficient Generating Device Therefor  
To provide a speaker device that can form a substantially uniform sound field over a range from a long distance to a short distance without significantly increasing a calculation load. A plurality...
US20130148822 Correcting Non-Linear Loudspeaker Response  
The invention relates to processing an audio signal to correct the non-linear frequency response of a loudspeaker. An input audio stream (1801) is received, from which an input frame (1802) is...
US20070086602 System and method for matching microphones  
This invention relates to a system (10) and method for matching one or more microphones. A first and second microphone (110, 210) communicates, respectively, a first and second microphone signal...
US20070160230 Device and method for determining sound source direction  
A sound source direction determining device for specifying the incoming direction of a sound based on acoustic signals through two channels obtained by two mikes disposed apart by a predetermined...
US20120076323 Device and Method for Manipulating an Audio Signal  
A device and method for manipulating an audio signal includes a windower for generating a plurality of consecutive blocks of audio samples, the plurality of consecutive blocks including at least...
US20060050896 Method and apparatus to compensate a phase of a subwoofer channel signal  
A method and an apparatus to adjust a phase of a subwoofer channel signal in order to compensate for a phase difference generated at a crossover point between a subwoofer response and a main...
US20130058498 DEVICE AND METHOD FOR IMPROVED MAGNITUDE RESPONSE AND TEMPORAL ALIGNMENT IN A PHASE VOCODER BASED BANDWIDTH EXTENSION METHOD FOR AUDIO SIGNALS  
An apparatus for generating a bandwidth extended audio signal from an input signal, includes a patch generator for generating one or more patch signals from the input signal, wherein the patch...
US20070030983 High efficiency audio reproduction  
A device is arranged for producing a driving signal (VM) for a transducer (7), such as a loudspeaker. The driving signal has a frequency substantially equal to a resonance frequency of the...
US20100124342 FORCED ACOUSTIC DIPOLE AND FORCED ACOUSTIC MULTIPOLE ARRAY USING THE SAME  
Provide is a forced acoustic dipole in which a direction of an acoustic lobe can be freely steered by controlling phase and sound pressure of input signals input into first and second sound...
US20080013750 SOUND SIGNAL PROCESSING APPARATUS AND SOUND SIGNAL PROCESSING METHOD  
A sound signal processing apparatus and a sound signal processing method divide an input signal into a low frequency signal output (11) and a high frequency signal output (10), and delay only the...
US20130089220 SOUND REPRODUCING APPARTUS  
A sound reproducing apparatus is provided to include a controller configured to receive first and second sound source signals, to control magnitudes and phases of the received first and second...
US20130195286 Equalization of an Audio Signal  
A method of processing an input audio signal, the method comprising forming a plurality of output audio signals from the input audio signal, wherein each output audio signal is formed by...
US20140177869 ADAPTIVE PHASE DISCOVERY  
In an adaptive phase discovery system a first audio signal is received via a first microphone and a second signal is received via a second microphone. Corresponding audio frames of the first and...
US20080292112 Method for Recording and Reproducing a Sound Source with Time-Variable Directional Characteristics  
The invention relates to a method for recording sound signals of one or more sound sources located in a recording space and having time-variable directional characteristics and for reproducing the...
US20150170670 AUDIO SIGNAL PROCESSING APPARATUS  
An audio signal processing apparatus for time scaling audio signals, the apparatus comprising an input terminal, an output terminal, a criterion applier and a time scaler, the input terminal...
US20100177911 Method of constructing a multiway loudspeaker system with improved phase response to pass a square wave  
A multi-way loudspeaker system comprising of frequency equalization circuit, a linear phase dividing network, with optional phase shifters to enable the loudspeaker to have substantially improved...
US20050286727 Apparatus for expanding sound image upward  
An apparatus for expanding a sound image upward includes a left-channel phase delay circuit for correcting phases and amplitudes of components of an input left-channel audio signal which are in a...
US20110058684 AUDIO REPRODUCTION DEVICE  
An audio reproduction device reproduces a one-channel signal from two speakers arranged in a sound field. The one-channel input signal is delayed by a delay element. The delay element performs a...

Matches 1 - 50 out of 102 1 2 3 >