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Searching: audio signal





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Patent # Description
US-8,085,952 Combination equalizer and calibrator circuit assembly for audio system
A combination equalizer and calibrator circuit assembly includes a calibrator formed of a frequency control circuit, a signal generator, an amplifier circuit...
US-8,085,947 Multi-channel echo compensation system
A system reduces echoes in an audio system by de-correlating audio signals. Adaptive filters provide compensation based on the de-correlated signals. A...
US-8,085,942 Audio apparatus and method for use in proximity to a magnetic resonance imaging system
An apparatus and method for presenting high-quality auditory stimuli, receiving patient communication and providing noise cancellation within the environment of...
US-8,085,941 System and method for dynamic sound delivery
A dynamic range manipulation system, for use for example in an audio playback system such as a two-way communication system, mobile telephone, MP3 player, and...
US-8,085,940 Rebalancing of audio
Rebalancing of an audio signal refers to achieving a balance of perceived loudness, typically of right and left channels, given an unbalanced input. A flexible...
US-8,085,930 Communication system
A method for removing an echo component in a first signal received at an audio input device, said method comprising the steps of outputting a second signal from...
US-8,085,920 Synthetic audio placement
Apparatus and methods for synthetic audio placement are described herein. In different aspects, synthetic audio placement may include a plurality of inputs,...
US-8,085,269 Representing and editing audio properties
Technologies relating to user interfaces for visualization and editing of audio signals. In some implementations, a method is provided that include the actions...
US-8,085,163 Method of and apparatus for controlling a source of light in accordance with variations in a source of sound
A system that varies the brilliance of light bulbs in accordance with modulated audio signals. The audio signals are first compressed and then passed through a...
US-8,085,147 Security system including audio alarm detection
A building security arrangement includes a sensor for emitting an audible alarm signal. A security system installed in the building detects the audible alarm...
US-8,084,681 Distortion pedal
A combination distortion pedal and amplifier includes a foot pedal controls the distortion and the amplification of audio signals. The level of distortion and...
US-8,084,679 Electronic signal processor
An electronic signal processor for processing signals includes a complex first filter, one or more gain stages and a second filter. The first filter is...
US-8,082,572 Method and apparatus for transmitting, receiving, and utilizing audio/visual signals and other information
Information such as audio/visual signals, books, video games, etc. are broadcast via satellite and received in a set top box. When requested by a hand held...
US-8,082,462 Direct synthesis of audio clock from a video clock via phase interpolation of a dithered pulse
An embodiment of the invention relates to a clock signal generator and a related method to produce a clock signal that is a rational but non-integer submultiple...
US-8,082,158 Time slot position coding of multiple frame types
Spatial information associated with an audio signal is encoded into a bitstream, which can be transmitted to a decoder or recorded to a storage media. The...
US-8,082,157 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-8,082,156 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...
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