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Searching: audio signal





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Patent # Description
US-7,657,919 Single wire return device including a QAM modulator for downstream IP signals
Systems and methods are disclosed for receiving IP video and audio signals at a subscriber's premises. A QAM modulator then modulates the IP signals and provides...
US-7,657,336 Reduction of memory requirements by de-interleaving audio samples with two buffers
Presented herein is a method and system for reducing memory requirements in audio signal processing by de-interleaving audio information with at least two static...
US-7,657,335 Digital audio signal reproducing apparatus
When an emphasis setting of a next track is different from that of a current track, a silent signal having the emphasis setting of the next track written in its...
US-7,657,240 Adaptable RF audio receiver and method for adapting processing of RF audio signals
An adjustable RF audio receiver and method are provided. The adjustable RF audio receiver includes an RF antenna configured to receive RF audio signals, and a...
US-7,657,224 Localized audio networks and associated digital accessories
Individuals share music through portable audio devices that synchronously play music by transmitting music signals from one device to the other. Upon request,...
US-7,657,153 Data processing apparatus
A data processing apparatus is capable of writing program data concerning video and/or audio on a first storage medium and a second storage medium. The data...
US-7,657,150 Optical disk apparatus
An optical disk apparatus is configured to switch the audio signals to be output to the sound output terminal by means of the slide switch having contact points...
US-7,657,058 Watermark orientation signals conveying payload data
Steganographic calibration signals (sometimes termed "orientation signals," "marker signals," reference signals," "grid signals," etc.) are sometimes included...
US-7,657,048 Acoustical receiver housing for hearing aids
An acoustic receiver comprises means for converting an input audio signal into an acoustic signal. The receiver has a housing having a plurality of sides that...
US-7,657,041 Laser audio preamplifier, volume control, and multiplexer
A fiber optical audio preamplifier receives audio signals from an audio source, amplifies the audio signals, and transfers the signals to a power amplifier. The...
US-7,657,039 Sound quality enhancement circuit for audio signals and audio amplifier circuit using the same
The present invention comprises a circuit having at least not less than three cascade connected phase shift circuits and wherein the phase characteristic of the...
US-7,656,968 Radio receiver, system on a chip integrated circuit and methods for use therewith
A system on a chip integrated circuit includes an analog front end for receiving a received radio signal having a plurality of channel signals, each of the...
US-7,656,947 Synchronization device and synchronization method in digital broadcast receiver
A decoding device and a decoding method in a digital broadcast receiver are provided, in which received packet data is demultiplexed into video data and audio...
US-7,656,930 Assessing quality of service using digital watermark information
The disclosure details methods of measuring the quality of service of received media signals by analyzing digital watermarks embedded in such signals. The...
US-7,656,397 Pointing device with integrated audio input and associated methods
A mobile personal digital assistant (PDA) allows a user to enter information using both a touch screen and voice commands with a stylus. The stylus includes a...
US-7,656,331 System on a chip with multiple independent outputs
An audio output circuit includes a DAC module, a line out circuit, and a headphone amplifier circuit. The digital to analog conversion (DAC) module is coupled to...
US-7,656,280 Telematic parametric speed metering system
Embodiments of the present invention provide systems, articles of manufacture and methods for a telematic parametric speed metering system. In one embodiment, a...
US-7,654,872 Audio jack connector
An audio jack connector includes a housing and a terminal group. The housing has an insertion hole extending inward from the front of the housing. The bottom of...
US-7,654,860 Signal transmission wire with an audio interface and a USB interface
A signal transmission wire with audio interface and USB interface, the wire is a four-core connection wire, one end of which is connected to a USB interface, the...
US-7,654,462 Mobile device base station for enhanced signal strength for on-demand media services
Embodiments of the present invention provide systems and methods for capturing on-demand media content for use with portable media devices, including wireless...
US-7,653,539 Communication device, signal encoding/decoding method
There is provided a communication device for effectively encoding an audio/music signal while maintaining a predetermined quality by controlling the transmission...
US-7,653,447 Integrated audio video signal processing system using centralized processing of signals
Integrated processing of audio/video signals can eliminate unnecessary signal processors and converters without losing the functionality of typical home...
US-7,653,344 Wireless digital audio/video playback system
The present invention discloses methods and systems for providing very high quality audio and video playback using all-digital wireless paths from the source to...
US-7,653,206 Digital audio device
A digital audio device. According to one aspect of the invention, the device includes a memory and an analog input system configured to record analog audio...
US-7,653,204 Method and system for codec with polyringer
In an audio processing device, a method and system for improved CODEC with polyringer are provided. An audio CODEC may comprise an audio ADC, an audio DAC, and a...
US-7,653,058 Optical network for bi-directional wireless communication
A wireless transceiving system capable of processing multi-channel broadcast signals and Ethernet signals from an Ethernet PON (Passive Optical Network), the...
US-7,652,605 Semiconductor device and audio processor chip
An audio processor chip includes a DSP for decoding audio data, a first DAC for performing a D/A conversion to the digital data obtained from the DSP, a PLL...
US-7,650,616 Methods and apparatus for identifying audio/video content using temporal signal characteristics
Methods and apparatus for identifying audio/video content using temporal characteristics of a signal are disclosed. The disclosed apparatus and methods detect a...
US-7,650,277 System, method, and apparatus for fast quantization in perceptual audio coders
A technique to encode an audio signal based on a perceptual model. In one example embodiment, this is accomplished by shaping quantization noise in the spectral...
US-7,650,145 Telephone set, communication adaptor, home appliance control method, and program recording medium
The invention relates to a telephone set comprises a connection apparatus to execute a connecting process for enabling transmission and reception of an...
US-7,650,118 Wireless transmission system and method
A wireless transmission system is provided. The system includes a wireless transmission apparatus for sending radio signals in a selected frequency and a...
US-7,650,010 Connected video and audio
The presently claimed invention relates to connecting video and audio signals to audio-video content. One claim recites a method including: receiving data at a...
US-7,650,003 Flat panel speaker and components therefor
A flat panel speaker. The speaker includes a drive unit made up of a signal oscillation radiator the winding of which promotes oscillating rather than...
US-7,650,002 Digital compressor for multi-channel audio system
A level adjustment method is applicable to an audio processing apparatus having a plurality of amplifiers corresponding to three or more of input channels of an...
US-7,650,000 Audio device and playback program for the same
The input signal X of one channel is divided by a multi-stage delay processing device Z.sup.-1 and each of the outputs is superimposed by a specified coefficient...
US-7,649,823 Method for recording asynchronously produced digital data codes, recording unit used for the method, method for...
A recording and reproducing system is broken down into a recording unit for producing a digital audio data signal from MIDI music data words asynchronously...
US-7,649,444 Positional audio cues for an vehicle indicator system
Embodiments of the present invention recite a method and system for providing positional audio cues for an vehicle warning system. In one embodiment, a sensor...
US-7,649,410 Systems and methods for improving performance in a digital amplifier by adding an ultrasonic signal to an input...
Systems and methods in which an ultrasonic signal is introduced into an audio signal before the audio signal is amplified by a switching amplifier. The added...
US-7,649,136 Music reproducing system for collaboration, program reproducer, music data distributor and program producer
A music reproducing system includes a musical instrument for reproducing a music tune on the basis of the MIDI music data, a sound reproducer for reproducing a...
US-RE41,080 Voice activated/voice responsive item locater
The present invention is an item location system which relies upon voice activation and responsiveness to identify location(s) of item(s) sought by a user. The...
US-7,647,615 Method and system for distributing digital audio and video to an analog wireless device
An audio input interface (122) receives a digital audio signal and identifies an audio bitstream which is optionally decrypted by a decryption unit (123), and...
US-7,647,229 Time scaling of multi-channel audio signals
A method and related apparatus comprising: buffering an encoded audio input signal comprising at least one combined signal of a plurality of audio channels and...
US-7,647,223 Robust composite quantization with sub-quantizers and inverse sub-quantizers using illegal space
A sub-quantizer for sub-quantization of a vector includes a sub-codevector generator that generates a set of candidate sub-codevectors, and transformation logic...
US-7,647,119 Distributed compression amplitude mapping for a cochlear stimulation system
An implantable neural stimulation system, such as a cochlear implant system, utilizes a Distributed Compression Amplitude Mapping (DCAM) system to distribute...
US-7,647,118 Distributed compression amplitude mapping for a neural stimulation system
An implantable neural stimulation system, such as a cochlear implant system, utilizes a Distributed Compression Amplitude Mapping (DCAM) system to distribute...
US-7,646,964 Reproduction apparatus connected to a monitor apparatus and remote controlling method thereof
A reproduction apparatus and a monitor apparatus are interconnected by one cable connector, which transmits an image and/or audio signal, a first control signal,...
US-7,646,876 System and method for stereo operation of microphones for video conferencing system
A microphone bar for obtaining audio input for a video conferencing system includes a master module and one or more slave modules. The master module houses a...
US-7,646,435 Mobile television receiver
The invention relates to the reproduction of a television signal on a distant reproduction device. The received television signal is encoded and transmitted in a...
US-7,646,193 Device inspection device, device inspection system using the same, and mobile telephone holding device
A device inspection apparatus that is capable of judging the functions of operating control buttons on a cellular phone or like device automatically and easily....
US-7,645,220 Perineometer with wireless biofeedback
A perineometer for home or clinical use assesses the strength of pelvic floor muscles and provides audible and visual biofeedback signals as training aids during...
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