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Searching: audio signal





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Patent # Description
US-7,769,202 Quantization-based data embedding in mapped data
Novel methods and systems for quantization based data embedding and reading in host signals, such as image, audio and video signals. To embed auxiliary data in a...
US-7,769,193 Electrostatic ultrasonic transducer, ultrasonic speaker, audio signal reproduction method, electrode...
An electrostatic ultrasonic transducer that includes: a first electrode that is formed with a plurality of holes; a second electrode that is formed with a...
US-7,769,191 Flat panel audio output apparatus and video/audio output apparatus
A flat panel audio output apparatus including a plurality of flat panels; and one or more vibrators respectively provided to each of the flat panels to vibrate...
US-7,769,190 Audio signal processing circuit and a display device incorporating the same
An audio signal processing circuit for processing an audio signal which is compact and small is provided. For the audio signal processing circuit of the...
US-7,769,187 Communications circuits for electronic devices and accessories
Hybrid circuits for electronic devices and accessories for electronic devices are provided. One or more pairs of hybrid circuits may convey audio signals, noise...
US-7,769,184 Apparatus and method for measuring sound field
A sound field measurement apparatus includes a signal generating unit for outputting a burst signal, a driving unit for driving a speaker using the burst signal,...
US-7,769,182 Method and system for comparing audio signals and identifying an audio source
A method for defining an index of a match between a content of two audio sources, comprising: sampling audio from a first source and a second source generating a...
US-7,769,181 Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral...
US-7,769,180 Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral...
US-7,769,179 Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral...
US-7,769,178 Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral...
US-7,769,162 Acoustic echo canceller with multimedia training signal
In an electronic device having an acoustic echo canceller and being capable of implementing audio applications and at least one of a conferencing application and...
US-7,768,938 Systems and methods for providing multiple communication services over existing twisted pair access lines
Systems and methods are described for providing a plurality of communication services over existing access lines such as twisted pair access lines. These...
US-7,768,578 Apparatus and method of receiving digital multimedia broadcasting
Disclosed are an apparatus and a method of receiving a digital multimedia broadcasting (DMB). According to the invention, there is provided a storage buffer...
US-7,768,435 Method and apparatus for digital to analog conversion
The apparatus described is a multi-core processor 505 adapted to provide digital to analog conversion. At least one 2010 of the cores 510 is used to make the...
US-7,767,901 Control of musical instrument playback from remote management station
A music playing system includes a computer and user interface to access a media database. A wireless base station device has a line out port providing two...
US-7,765,564 Audio based methods and apparatus for detecting a channel change event
Methods and apparatus for detecting a channel change event are disclosed. The disclosed methods and apparatus detect a channel change event by monitoring an...
US-7,765,104 Slot position coding of residual signals of spatial audio coding application
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-7,765,019 Portable wireless telephony device
The present invention provides an audio codec for converting digital audio signals to analogue audio signals, the audio codec comprising: two digital audio bus...
US-7,765,018 Control device for controlling audio signal processing device
In a PC that controls a mixer engine having a programmable DSP, any object such as a knob or the like is enabled to be duplicated from a control screen...
US-7,764,862 Method of and apparatus for setting video signal delimiter information judged from audio and video signals
Even when there are a plurality of scene changes in an arbitrary (e.g., commercial) interval or when a plurality of audio modes are mixed in a program, chapter...
US-7,764,799 Audio system providing for filter coefficient copying
A system (1) is described which is suited for suppressing audio distortion. The system comprises echo cancelling means (g.sub.1, g.sub.2) coupled between an...
US-7,764,797 Speaker driving device and audio output system
The present invention detects whether the supply voltage applied to the power supply terminal (3) is used for the dynamic speaker or for the piezoelectric...
US-7,764,796 Signal strength information dependent control of small electrodynamic transducers in audio systems
A control circuit for a signal strength information dependant frequency response adaptation of an audio signal for an electrodynamic transducer, with a signal...
US-7,764,775 Distributed intercom system
A distributed intercom system including a centralized interconnection unit with a central control device for receiving, processing and transmitting signals, a...
US-7,764,671 Method and system for a multi-channel audio interconnect bus
Provided is a system and method for communicating audio. A method includes transmitting audio information segments on a first signal line, each segment including...
US-7,764,189 Audio coordinated visual indicator
An audio-coordinated visual indicator reducing vehicle operator distraction associated with using a communications device during vehicle operation. The visual...
US-7,764,186 Gas sensing method and instrument therefor
A method and instrument capable of accurately detecting the presence of a gas and accurately measuring the concentration of the gas in, for example, the...
US-7,764,171 Adjusting a communications channel between control unit and remote sensor
The present invention provides apparatuses and systems for adjusting a communication channel between a control unit and a remote sensor. A system may include a...
US-7,763,803 High fidelity signal transmission cable
A high accuracy cable for transmitting audio and video signals having a sleeve of natural fiber material such as cotton surrounding each conductor and a spacer...
US-7,761,304 Synchronizing parametric coding of spatial audio with externally provided downmix
Embodiments of the present invention are directed to a binaural cue coding (BCC) scheme in which an externally provided audio signal (e.g., a studio engineering...
US-7,761,303 Slot position coding of TTT syntax of spatial audio coding application
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-7,761,291 Method for processing audio-signals
The invention regards a method for processing audio-signals whereby audio signals are captured at two spaced apart locations and subject to a transformation in...
US-7,761,177 Method for generating encoded audio signal and method for processing audio signal
A method for generating an encoded audio signal, and a method for processing the same during the multi-channel audio coding are disclosed. The present invention...
US-7,760,991 Multimedia data reproducing apparatus
A multimedia data reproducing apparatus includes: a multimedia data acquiring unit configured to acquire multimedia data, the multimedia data including sound...
US-7,760,898 Eyeglasses with hearing enhanced and other audio signal-generating capabilities
Novel techniques for hearing enhancement based on a pair of glasses are disclosed. In one embodiment, the glasses include a first lens holder, a second lens...
US-7,760,893 Automatic volume control to compensate for speech interference noise
A microphone detects acoustic waves from speakers and background noise, and produces a corresponding signal that is digitized; also digitized is a desired audio...
US-7,760,892 Noise elimination circuit for audio equipment
A noise elimination circuit of a audio output device includes a sound card for receiving a digital audio signal and transforming it to an analog audio signal; an...
US-7,760,890 Sound processing system for configuration of audio signals in a vehicle
A sound processing system for a vehicle includes a sound processor that is configured to mix at least one real audio input signal to form at least one virtual...
US-7,760,869 Method and apparatus for controlling the transmit volume level of a speakerphone
A method and apparatus for controlling the transmit volume level of a speakerphone includes receiving a transmit audio signal. If the speakerphone is in a...
US-7,760,790 Method and apparatus for transmitting watermark data bits using a spread spectrum, and for regaining watermark...
Spread spectrum technology is used for watermarking digital audio signals. To retrieve a watermark signal information bit from the spread spectrum at the...
US-7,760,766 Audio processor
An audio information detector extracts frequency information on audio data from a packet called an ASP in the HDMI standard and outputs the extracted frequency...
US-7,760,764 Digital broadcast receiving apparatus and method of reducing output time of broadcast content
A digital broadcast receiving apparatus and method of reducing an output time of broadcast content, includes for the apparatus, a transport stream generator...
US-7,760,660 Systems and methods for automatic evaluation of subjective quality of packetized telecommunication signals...
A system and method automates the process of objectively measuring the subjective quality of packetized telecommunication signals as a function of network...
US-7,760,016 Anti-pop circuits and methods for audio amplifiers using variable resistors
Anti-pop circuits are provided for an audio amplifier that uses a power supply voltage and a ground voltage to drive a load with an audio signal that is centered...
US-7,758,365 Self-muting audio connector
This disclosure concerns methods, systems and apparatus that can be automatically activated by means of insertion into a jack socket and designed such that when...
US-7,757,255 Digital broadcasting receiver
A digital broadcasting receiver includes an operating section configured to select a channel, and a video/audio data obtaining section configured to obtain...
US-7,757,051 Dynamic memory reconfiguration for signal processing
A system and method for processing data (e.g., encoded audio data in an audio decoder). Various aspects of the present invention may comprise a first memory...
US-7,756,874 System and methods for providing automatic classification of media entities according to consonance properties
In connection with a classification system for classifying media entities that merges perceptual classification techniques and digital signal processing...
US-7,756,715 Apparatus, method, and medium for processing audio signal using correlation between bands
Apparatus, method, and medium for processing an audio signal using a correlation between bands are provided. The apparatus includes an encoding unit encoding an...
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