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Searching: audio signal





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Patent # Description
US-8,082,156 Audio encoding device, audio encoding method, and audio encoding program for encoding a wide-band audio signal
By using a high-range sub-band signal, a correction coefficient corresponding to importance of auditory sense is calculated to correct a noise level and...
US-8,082,051 Audio tuning system
An audio system installed in a listening space may include a signal processor and a plurality of loudspeakers. The audio system may be tuned with an automated...
US-8,082,050 Method and apparatus for processing two or more initially decoded audio signals received or replayed from a...
In the MPEG-4 standard ISO/IEC 14496:2001 several audio objects that can be coded with different MPEG-4 format coding types can together form a composed audio...
US-8,081,927 Digital data processing circuit
A digital data processing circuit comprising: a setting unit configured to set setting data on an audio signal processing circuit configured to generate an FM...
US-8,081,864 Captured image recording apparatus, captured image recording method, captured image reproducing apparatus,...
An image of an object is picked up by an image processing unit (10) to acquire an image signal of variable frame rate. An audio signal is acquired by an audio...
US-8,081,787 Hearing assistance system and method of operating the same
A system providing hearing assistance to a user having a wireless remote control for transmitting control commands as an amplitude modulated radio frequency...
US-8,081,785 High efficiency converter providing switching amplifier bias
An audio amplifier system having improved power efficiency by wasting less power in its bias voltage circuit. An amplifier provides a voice signal to a first...
US-8,081,784 Electrostatic electroacoustic transducers
An electrostatic electroacoustic device comprising a first electrode configured to receive an audio signal, a first conductive film configured to receive the...
US-8,081,781 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...
US-8,081,780 Method and device for acoustic management control of multiple microphones
An earpiece (100) and a method (640) for acoustic management of multiple microphones is provided. The method can include capturing an ambient acoustic signal...
US-8,081,779 Audio circuit
An object is to provide an audio circuit in which flow of excessive current through a capacitive speaker and a drive circuit thereof can be prevented while...
US-8,081,778 VOX circuit with 2-wire interfaces
A VOX interface is provided that interfaces with at least two communication paths to two separate devices. One communication path may be to a first electronic...
US-8,081,777 Volume-based adaptive biasing
An audio amplifier such as for driving headphones. The amplifier includes multiple amplifier devices coupled in parallel. Both a bias generator and a volume...
US-8,081,773 Audio signal processing apparatus, audio signal processing method and imaging apparatus
An audio signal processing apparatus includes first, second and third omni-directional microphones each of which receives sound and generates an...
US-8,081,771 Automobile personal radio recorder
In one embodiment, an audio recorder is disclosed that interfaces with an automobile radio. The audio recorder includes a radio tuner that receives radio...
US-8,081,764 Audio decoder
Provided is an audio decoder which can reduce an amount of arithmetic operations while suppressing occurrence of aliasing noise. The audio decoder includes: a...
US-8,081,763 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...
US-8,081,762 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...
US-8,081,757 Blind watermarking of audio signals by using phase modifications
Watermarking of audio signals intends to manipulate the audio signal in a way that the changes in the audio content cannot be recognised by the human auditory...
US-8,081,028 Systems and methods for improved over-current clipping
Systems and methods for implementing over-current protection in amplifiers are provided, including systems, methods and devices for specifying a clip level at...
US-8,080,996 Magnetic resonance imaging apparatus and position setting support method thereof
According to the present invention, in a magnetic resonance imaging apparatus that receives magnetic resonance signals emitted from a patient by using a...
US-8,079,056 Synchronizing a media center on a correct channel
A media center and an audio visual (AV) unit may be remotely synchronized on the same remodulation channel. A system may include a media center connected to an...
US-8,078,475 Audio signal encoder and audio signal decoder
A portable player or a multi-channel home player includes: a mixed signal decoding unit that extracts, from a first inputted coded stream, a second coded stream...
US-8,078,458 Packet loss concealment for sub-band predictive coding based on extrapolation of sub-band audio waveforms
A technique is described for concealing the effect of a lost frame in a series of frames representing an encoded audio signal in a sub-band predictive coding...
US-8,078,456 Audio time scale modification algorithm for dynamic playback speed control
A modified synchronized overlap add (SOLA) algorithm for performing high-quality, low-complexity audio time scale modification (TSM) is described. The algorithm...
US-8,078,235 Telephone signal generator and methods and devices using the same
A method or device includes a telephone with an audio or video effects generator to produce audio or video effects that are transmitted as part of a signal from...
US-8,078,224 Male plug connector
A male plug connector for connecting to a corresponding receptacle connector of a media player. In one embodiment the connector comprises a housing designed to...
US-8,078,222 Portable electronic device
A portable electronic device includes a first main body, an audio processor mounted in the main body, a camera module mounted in the main body, and an earphone...
US-8,078,188 User selectable audio mixing
This disclosure describes audio mixing techniques that allow a user to select between two different audio signals for output in a perceptual foreground of a...
US-8,077,893 Distributed audio coding for wireless hearing aids
The aim of the invention is to provide inter-channel level differences ICLD related to audio signals for hearing aids. This aim is achieved by a method for...
US-8,077,892 Hearing assistance system including data logging capability and method of operating the same
There is provided a method of operating a system for providing hearing assistance to a user (101), comprising: capturing and processing audio signals by a...
US-8,077,883 Intelligent solo-mute switching
An intelligent solo-mute switching system for an audio signal processing device having a plurality of channels. A plurality of multi-throw momentary switches...
US-8,077,882 Audio reproducing apparatus
An audio signal processing apparatus includes a harmonic overtone adder and an equalizer. The harmonic overtone adder includes a high-pass filter for extracting...
US-8,077,879 Audio output apparatus and television broadcast receiver
When an abnormality occurs in a supply circuit and its output is decreased, a protect circuit detects the abnormality and outputs a protect signal to an audio...
US-8,077,876 Delivery system, transmission apparatus, and delivery method
A delivery system is disclosed, which has a transmission apparatus and a plurality of reception terminals communicably connected through a network. The...
US-8,077,875 Audio device
An audio device includes a jack, a switch, an amplifier, an internal sound producer, and a determining circuit. The jack establishes a connection with an...
US-8,077,857 Portable speakerphone device with selective mixing
Disclosed herein are portable teleconferencing products that implement a doubletalk detector in a low frequency range or in a frequency range commensurate with...
US-8,077,815 System and method for processing multi-channel digital audio signals
A system and method for processing multi-channel audio signals is described herein. In one embodiment, the system includes a phase detector to determine, for a...
US-8,077,746 Method and apparatus for generating information signal to be recorded
A compressively-encoding-resultant video signal resulting from compressively encoding a video signal, a first compressively-encoding-resultant audio signal...
US-8,077,643 Systems and methods for synchronizing audio signals of a communication device
A method for synchronizing audio signals of a communication device includes determining whether a downlink thread or a uplink thread is running, pausing the...
US-8,077,568 Method and system for synchronizing information specific to a location on a surface with an external source
An apparatus including sensors that aid in the location of a stylus within the groove of a rotating record. The location of the stylus corresponds to a portion...
US-8,077,029 Portable alarm video recording and transmitting device
A portable alarm video recording and transmitting device includes first and second component units in wireless communications with each other, the first...
US-8,076,901 Charging system and method for electronic device controlled by audio output
A charging system and method for an electronic device controlled by audio output are used for controlling an external charging power supply to charge the...
US-8,076,566 Beat extraction device and beat extraction method
Upon receiving a digital audio signal recorded in a .wav file, a beat extraction processing unit 12 extracts coarse beat position information from this digital...
US-8,073,933 Audio processing
The presently claimed invention relates generally to processing streaming audio signals. One claim recites a method including: using a programmed electronic...
US-8,073,909 Hybrid platform for video games
Techniques for providing a hybrid platform for video games are disclosed. To enjoy the video and audio quality a TV could provide, all game actions with a video...
US-8,073,702 Apparatus for encoding and decoding audio signal and method thereof
A method and/or apparatus for encoding and/or decoding an audio signal is disclosed, in which a downmix gain is applied to a downmix signal in an encoding...
US-8,073,687 Audio regeneration method
According to an aspect of an embodiment, a method for regenerating an audio signal including a low frequency component and a high frequency component by...
US-8,073,685 Audio signal encoding or decoding
Encoding an audio signal is provided wherein the audio signal includes a first audio channel and a second audio channel, the encoding comprising subband...
US-8,073,676 Method and apparatus for emulation enhancement
An emulation enhancement method in a first video game platform for enhancing execution of video games written for a second video game platform includes...
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