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Searching: audio signal





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Patent # Description
US-7,831,128 Video and audio recording apparatus
A video and audio recording apparatus including: a plurality of tuner units each of which receives commercial broadcasting to output video and audio signals; a...
US-7,831,127 Combining video material and data
A method of combining data with other material comprises the step of repetitively distributing the data in the other material. The data is for example metadata...
US-7,831,054 Volume control
A volume control may be provided with some integrated graphical indication of the presence and/or level of an audio signal that it controls. For example, a...
US-7,831,036 Method to reduce training time of an acoustic echo canceller in a full-duplex beamforming-based audio...
A method is set forth for reducing the total acoustic echo cancellation convergence time for all look directions in a microphone array based full-duplex system....
US-7,831,001 Digital audio processing system and method
A digital audio processing system and method is disclosed. In an embodiment, the digital audio processing system can include a phase detector to sample an input...
US-7,830,968 Apparatus for providing a video lip sync delay and method therefore
A digital receiver for processing one of a packetized input data stream and a digitized standard definition input signal is provides a delay in the processing of...
US-7,830,921 Apparatus and method of encoding and decoding audio signal
In one embodiment, at least first and second channels in a frame of the audio signal are independently subdivided into blocks if the first and second channels...
US-7,830,455 TV set and method for managing gain value for each channel
The present invention relates to method for managing gain value for each channel of a TV set, includes steps: signaling a tuner to receive broadcasting signals...
US-7,830,454 TV signal processor with MINI-PCI interface
A TV signal processor is disclosed to include multiple signal receivers, a signal amplifier, a signal processor, signal decoder and a MINI-PCI interface. The TV...
US-7,830,453 Method of converting digital broadcast contents and digital broadcast terminal having function of the same
A method of converting digital broadcast contents and digital broadcast terminal having a function of the same are disclosed, by which music in compliance with a...
US-7,830,452 Direct digital encoding and radio frequency modulation for broadcast television applications
A digital audio encoder, digital video conditioner, and a digital modulator are described for producing a television broadcast signal at a desired channel...
US-7,830,410 Information processing system and method, information processing apparatus, image-capturing device and method,...
A feature extracting unit obtains sensor data from a plurality of sensors to calculate each feature. When an event determining unit determines the occurrence of...
US-7,830,298 Motorcycle communication system with radar detector, and mounting assemblies therefor
A communication system for use with a motorcycle includes a main unit that has a detector and a transmitter that transmits an alert signal upon the detection of...
US-7,830,271 Audio coordinated visual indicator
An audio-coordinated visual indicator device reducing vehicle operator distraction associated with using a communications device during vehicle operation. The...
US-7,830,260 Learning device using RFID tags
A learning device using RFID tags is provided. The learning device includes a platform and at least one RFID tag unit. The tag unit includes at least one RFID...
US-7,830,209 Signal level selected efficiency in a charge pump power supply for a consumer device audio power output stage
A charge pump power supply for a consumer device audio power stage has an efficiency selected according to signal level. The frequency of operation of the charge...
US-7,828,712 Frequency altered feedback for treating non-stuttering pathologies
Methods and devices treat treating non-stuttering pathologies having impaired or decreased communication skills by administering a frequency altered auditory...
US-7,827,616 Decoding apparatus
A decoding apparatus includes: a decoding section for decoding a first one of input encoded audio data sets that has been encoded by a certain encoding method; a...
US-7,827,588 Audiovisual (AV) device and control method thereof
According to one embodiment, video image and audio signals are transmitted to a plurality of electronic devices each having at least one of a video image display...
US-7,827,488 Image tracking and substitution system and methodology for audio-visual presentations
The present invention relates to a system and method for processing a video input signal providing for tracking a selected portion in a predefined audiovisual...
US-7,827,030 Error management in an audio processing system
An audio processing system includes a voice decoder and an audio processor. In one exemplary embodiment, the audio processing system is embedded in a headset...
US-7,826,630 Sound image localization apparatus
A sound localization apparatus capable of localizing a sound image at a given position, in a simple configuration is provided with: a first signal processor for...
US-7,826,621 Configurable filter for processing television audio signals
A television audio signal encoder includes a matrix that sums a left channel audio signal and a right channel audio signal to produce a sum signal. The matrix...
US-7,826,580 Network system and audio signal processor
An audio network system that performs transport of audio signals among nodes by cascading a plurality of nodes each including two sets of transmission I/Fs and...
US-7,826,562 Digital interface receiver apparatus
An audio controlling device generates an audio mute signal based on the level of a power-supply voltage supplied from the source equipment, whether a clock...
US-7,826,494 System and method for handling audio jitters
Presented herein are system(s) and method(s) for handling audio jitters. In one embodiment; there is presented a method for decoding an audio signal. The method...
US-7,825,734 Amplifier having an output protection, in particular operational amplifier for audio application
An amplifier with an output protection having an input stage defining a feedback node, an output stage connected to the feedback node and defining an output node...
US-7,825,726 Digital pulse width modulation for half bridge amplifiers
A switching amplifier drives a load or audio transducer. A digital integral noise shaping circuit converts a digital input such as audio content to an output...
US-7,825,321 Methods and apparatus for use in sound modification comparing time alignment data from sampled audio signals
A digitised audio signal, such as an amateur's singing, and a digital guide audio signal are supplied to a time alignment process that produces a time-aligned...
US-7,822,617 Optimized fidelity and reduced signaling in multi-channel audio encoding
The invention provides an efficient technique for encoding a multi-channel audio signal. The invention relies on the principle of encoding (S1) a signal...
US-7,822,616 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-7,822,606 Method and apparatus for generating audio information from received synthesis information
Methods and apparatus for providing enhanced audio are described. In some embodiments speech synthesis information is used to provide user control of attributes...
US-7,822,602 Adaptive reduction of noise signals and background signals in a speech-processing system
An audio input signal is filtered using an adaptive filter to generate a prediction output signal with reduced noise, wherein the filter is implemented using a...
US-7,822,600 Method and apparatus for extracting pitch information from audio signal using morphology
A function of improving accuracy of the extraction of pitch information in an audio signal including voice and sound signals is implemented. To do this, a...
US-7,822,498 Using a loudness-level-reference segment of audio to normalize relative audio levels among different audio...
The present invention records a loudness-level-reference segment of audio when creating speech audio files and audio files including background sounds. The...
US-7,822,496 Audio signal processing method and apparatus
An audio signal processing method and apparatus in which the apparatus includes a plurality of digital filters, each supplied with an audio signal, and a speaker...
US-7,822,380 Interference prevention for receiver system incorporating RDS-TMC receiver and FM modulator
A method and apparatus prevents interference between a radio signal from RDS-TMC service provider for receiving traffic and travel data by an RDS-TMC receiver...
US-7,822,344 System for communication of video, audio, data, control or other signals over fiber in a self-healing ring topology
A system for communication of signals between remote devices and monitoring and control devices via fiber. The system in accordance with one aspect of the...
US-7,822,226 Perceptual modeling of media signals for data hiding
The present invention relates generally to embedding auxiliary data and data hiding. One claim recites a method including: calculating with a processor or...
US-7,822,216 Electroacoustic transducer using diaphragm and method for producing diaphragm
An electroacoustic transducer has an cup chamber and a diaphragm made of deformable electrostrictive polymer, which is attached to an opening of the chamber. The...
US-7,822,214 Audio power output system with shared output blocking capacitor
An audio power output system with shared output blocking capacitor provides reduced cost and volume in multi-channel audio power output systems. A pair of...
US-7,822,210 Configurable recursive digital filter for processing television audio signals
A television audio signal encoder includes a device that sums a left channel audio signal and a right channel audio signal to produce a sum signal. The device...
US-7,821,953 Dynamically selecting CODECS for managing an audio message
A system, method, and apparatus are directed towards a system, method, and apparatus for managing a communication session by dynamically selecting a CODEC. A...
US-7,821,918 System and method for communication channel and device control via an existing audio channel
A system and method for communication channel and device control via an existing audio channel. A combined communication signal is received from a communication...
US-7,821,537 Signal processing apparatus
A signal processing apparatus includes: a write controller for writing an input moving image signal into a first memory in accordance with a first timing signal...
US-7,818,773 Audio and video transmission and receiving system
A system of distributing video and/or audio information employs digital signal processing to achieve high rates of data compression. The compressed and encoded...
US-7,818,466 HDMI controller circuit for transmitting digital data to compatible audio device using address decoder where...
The present invention provides a high definition media interface (HDMI) controller having a modular design internal bus structure, and applications thereof. The...
US-7,818,079 Equalization based on digital signal processing in downsampled domains
This invention relates to a device, a method, a software application program, a software application program product and an audio device for processing a digital...
US-7,818,078 Interface device for wireless audio applications
The present invention is directed to wireless analog audio systems for transmission and reception of a signal from an electric analog audio signal-generating...
US-7,817,969 Limiting audible noise introduction through FM antenna tuning
An FM receiver including an FM antenna that receives continuous wavelength signals, where the FM receiver is coupled to the FM antenna and operable to alter a...
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