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Searching: audio signal





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Patent # Description
US-7,840,402 Audio encoding device, audio decoding device, and method thereof
There is disclosed an audio encoding device capable of realizing effective encoding while using audio encoding of the CELP method in an extended layer when...
US-7,840,242 Earphone antenna
An earphone antenna includes: earphone cords; an earphone portion; a coaxial cable; and a pin plug connector portion; wherein the earphone cords cooperate with a...
US-7,840,177 Device for monitoring multiple broadcast signals
A media content monitoring system uses a rack adapted to receive multiple carrier boards to improve the system's ability to be configured to specific...
US-7,840,015 Thermal feedback for switch mode amplification
A thermal sensor at the output of a switching amplifier senses heat dissipation at the output switch. If an overheating condition is sensed, gain of the digital...
US-7,840,014 Sound apparatus with howling prevention function
An acoustic system that eliminates the howling that occurs when the sound outputted by the speaker feeds back to the input device. The acoustic system comprises...
US-7,840,012 Audio conditioning apparatus, method and computer program product
The audio conditioning apparatus (190) for conditioning an audio signal (O) to be output, contains a noise characterizing unit (106, 112) arranged to evaluate a...
US-7,839,355 Vehicle display device having a wireless transmitter
There is provided a display device for a vehicle having a seat. The display device includes an assembly housing adapted to mount at a rear portion of the seat. A...
US-7,839,211 Error correction system for a class-D power stage
The present invention relates to a method for correcting for a source of non-linearity and noise introduced in a switching power amplification stage during power...
US-7,839,186 Preset circuit of audio power amplifier
A preset circuit of an audio power amplifier includes an inverter and a voltage drop device. The inverter receives an input signal to output an output signal,...
US-7,838,756 Audio playback device having function for adjusting playback speed and a method thereof
An audio playback device having a function for adjusting a playback speed, and a method thereof includes, in the audio playback device, stored audio data is...
US-7,836,770 Method and system for noise dosimeter with quick-check mode and earphone adapter
A noise dosimeter with capability to rapidly predict noise exposure over an extended time period based on a measurement of short duration. Either an acoustic or...
US-7,836,183 Internet audio scanner and method
An apparatus for processing signals produced by signal sources, including a first signal source that is a first server of streaming audio signals, which include...
US-7,835,917 Apparatus and method of processing an audio signal
In one embodiment, at least one audio data frame having at least one channel is generated. Each channel is divided into a plurality of blocks. A sub-block...
US-7,835,916 Channel signal concealment in multi-channel audio systems
A parametric model is used for error concealment. The model filter allows for recovering signal components of original audio channel signals that now are lost or...
US-7,835,907 Method and apparatus for low bit rate encoding and decoding
An apparatus and method of low bit rate encoding and reproducing. The method includes transforming input audio signals in a time domain into spectral signals in...
US-7,835,809 Digital media player accessory interface
An accessory for an electronic device detects manipulation of a user input of the device and alters an operating parameter of the accessory in response to the...
US-7,835,772 FM output portable music player with RDS capability
A FM output portable audio player is provided for digitally coupling audio signals generated therein to be broadcast through a radio receiver system, such as an...
US-7,835,689 Distribution of music between members of a cluster of mobile audio devices and a wide area network
A system and apparatus for identifying a first mobile device that introduces a music selection to a second mobile device. In one aspect, the first device...
US-7,835,688 Communication system
In a communication of audio signals between first and second portable-telephone devices through a first portable-telephone base station, a second...
US-7,835,621 Encoding controlling apparatus and encoding system
An encoding controlling apparatus is disclosed which includes: offset holding means for holding an offset equivalent to a time period by which to start encoding...
US-7,835,539 Electroacoustic transducer using diaphragm and method for producing diaphragm
An electroacoustic transducer has a cup chamber and a diaphragm made of deformable electrostrictive polymer, which is attached to an opening of the chamber. The...
US-7,835,534 Battery charging jobsite lunchbox
A preferred embodiment of portable lunchbox equipment that is particularly useful at construction and other jobsites is disclosed which provides important...
US-7,835,311 Voice-activity detection based on far-end and near-end statistics
Methods and apparatus of managing a communication system, wherein a decision regarding a level of activity at a first end is made based at least in part on the...
US-7,834,937 Digital IF demodulator
A digital IF demodulator includes an analog-to-digital (A/D) converter that receives an analog IF signal and converts it to a digital IF signal. A parallel...
US-7,834,740 Audible command method for handing off messages between two appliances
A method for receiving messages in an appliance such as a clock radio modified to retrieve messages from a remote computer, converting the retrieved messages...
US-7,834,702 Efficient power amplifier
A dynamic power supply for N amplifiers includes first and second power boost circuits which temporarily boost the positive or negative power supply rail,...
US-7,834,699 Audio compensation method and audio apparatus with class AB power amplifier
An audio apparatus is provided, receiving a reference voltage and an input signal to generate an output signal. In the audio apparatus, a compensation circuit,...
US-7,833,067 Audio-video signal plug
An audio-video signal plug includes a shaft assembly comprising a shaft body, a shaft carried by the shaft body and a quick disconnect blade connector carried by...
US-7,833,066 Earphone jack device and portable electronic device employing the same
A portable electronic device includes an earphone jack device for connecting a plug of an earphone and a main circuit board. The main circuit board includes an...
US-7,832,632 Banking system operated responsive to data read from data bearing records
A system includes automated banking machines that operate responsive to data read from data bearing records. Transactions may also be carried out through...
US-RE41,939 Audio/video reproducing apparatus and method
An audio/video reproducing apparatus is connectable to a communications network for selectively reproducing items of audio/video material from a recording medium...
US-7,831,916 Method, system, and program for creating, recording, and distributing digital stream contents
There is provided a method of creating a digital stream contents to be distributed via a network from an input stream signal such as a video signal and an audio...
US-7,831,436 Apparatus for decoding audio data with scalability and method thereof
An apparatus for decoding audio data that is capable of reducing the amount of calculations that are performed during the arithmetic decoding of an audio signal...
US-7,831,435 Slot position coding of OTT 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-7,831,421 Robust decoder
Techniques and tools related to delayed or lost coded audio information are described. For example, a concealment technique for one or more missing frames is...
US-7,831,229 FM receiver with digitally controlled antenna tuning circuitry
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...
US-7,831,217 Method and apparatus to provide digital signaling without internal modification of analog FM transceiver
An external speaker/microphone apparatus for a radio transceiver includes a speaker, a microphone, a push-to-talk switch, and an emergency switch. The apparatus...
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...
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