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Searching: audio signal





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Patent # Description
US-7,899,191 Synthesizing a mono audio signal
The invention relates to a method of synthesizing a mono audio signal 3 based on an available encoded multichannel audio signal 2. The encoded multichannel audio...
US-7,899,133 Receiving system
A receiving system includes: FIFO memory 13 storing audio data AD contained in a transmission signal T; an extraction unit 14 configured to extract a clock...
US-7,898,395 Method and apparatus for detecting radio frequency signals
A method and apparatus for sensing radio frequency signals. A radio frequency strength sensing apparatus converts a sensed radio frequency signal to an audible...
US-7,898,324 Method and system for glitch suppression in dual-amplifier circuit
An apparatus includes first and second amplifiers, each having an input coupled to an audio signal input and an output coupled to an audio signal output. The...
US-7,896,707 Audio signal switcher
An audio signal switcher includes a jack switcher and a plug switcher. The jack switcher includes an audio jack and a first USB port. The audio jack includes a...
US-7,895,623 Digital broadcast and transmission system including more detailed PSIP information
A digital broadcasting transmission system according to an embodiment, including a plurality of single program encoders configured to encode and multiplex...
US-7,895,138 Device and a method to process audio data, a computer program element and computer-readable medium
An audio data processing device (100) comprises an audio redistributor (101) adapted to generate a first number of audio data output signals (102; Z.sub.1 . . ....
US-7,895,034 Audio encoding system
Provided are, among other things, systems, methods and techniques for encoding an audio signal, in which is obtained a sampled audio signal which has been...
US-7,894,678 Radio communication device, radio communication system, wireless AV system, radio transmission method,...
A radio communication system according to the present invention includes a video/audio transmitter (1) and a video/audio receiver (2) for transmission/reception...
US-7,894,621 Audio device comprising a microphone
An audio device includes a microphone, a sound canal allowing sound to pass from the surroundings to the microphone, a signal path from the microphone to a...
US-7,894,615 Attenuator device for amplified musical instruments
An apparatus is provided for attenuating electrical signals in the signal path of an electronic audio frequency amplifier for amplifying signals from musical...
US-7,894,611 Spatial disassembly processor
Two-channel input audio signals are processed to construct output audio signals by decomposing the two-channel input audio signals into a plurality of...
US-7,894,610 Method for coding and decoding impulse responses of audio signals
The transmission and use of real, i. e. of measured, room impulse responses for the reproduction of sound signals with this room characteristic compatible to the...
US-7,894,598 System for limiting receive audio
A system for limiting a received audio signal in a communication system is provided. The receive audio signal is limited prior to being played over a loudspeaker...
US-7,894,560 Pilot tracking module operable to adjust interpolator sample timing within a handheld audio system
A processing module including an interpolator, a demodulator, and a tracking module. The interpolator applies a feedback signal to a first digitized signal...
US-7,894,519 Wireless event authentication system
A wireless data acquisition and recording (DAR) system includes acquisition circuitry including a video camera and/or a microphone carried by an operator for...
US-7,894,511 Multi-device coordinated audio playback
A wireless device (100) provides coordinated audio playback. The device (100) includes a network interface (112) that receives a signal from a sending or...
US-7,893,343 Musical instrument digital interface parameter storage
This disclosure describes techniques for processing audio files that comply with the musical instrument digital interface (MIDI) format. In particular, this...
US-7,892,116 Baseball training aid
A baseball training aid is provided which includes an audio or visual pitch indicator for simulating a baseball pitcher's pitch. The training aid further...
US-7,892,091 Gaming device and method for enhancing the issuance or transfer of an award
A gaming device and method for enhancing an award or a transfer of a plurality of credits. The gaming device and method initially displays one or more audio and...
US-7,890,975 Data broadcast method
A system for providing a plurality of sets of broadcast data service transmitted as part of a broadcast signal, including a processor configured to periodically...
US-7,890,741 Low power digital audio decoding/playing system for computing devices
A computer system includes a system CPU responsive to a control signal to load a first operating system or a second operating system. The first operating system...
US-7,890,322 Method and apparatus for speech signal processing
A method for speech signal processing is provided. Energy attenuation gain values are set for background noise signals corresponding to obtained background noise...
US-7,890,196 Magnetic and optical rotating storage systems with audio monitoring
A device includes an integrated circuit, a fan that cools the integrated circuit, and an audio monitoring module that analyzes audio signals that are based on...
US-7,890,071 Handheld audio system
A handheld audio system includes a radio signal decoder integrated circuit (IC) and a digital audio processing integrated circuit. The radio signal decoder...
US-7,890,048 Transmitter and transmitting method, information editor and editing method, receiver and receiving method,...
A ground station multiplexes audio digital data of a plurality of audio broadcasts, GUI data, and download audio data and transmits the multiplexed signal to a...
US-7,889,879 Programmable auditory prosthesis with trainable automatic adaptation to acoustic conditions
An auditory prosthesis (30) comprising a microphone (27) for receiving the sound and producing a microphone signal responding to the received sound, an output...
US-7,889,878 Speaker array apparatus and method for setting audio beams of speaker array apparatus
To provide a speaker array apparatus and a method for setting audio beams in a speaker array apparatus, in which the degree of freedom in the place where the...
US-7,889,872 Device and method for integrating sound effect processing and active noise control
A device and a method for integrating 3D sound effect processing and active noise control are proposed. A digital signal processor incorporates an artificial...
US-7,889,870 Method and apparatus to simulate 2-channel virtualized sound for multi-channel sound
A stereo sound generation method and apparatus to generate a stereo sound, by using 2-channel headphones, earphones, or speakers, from a multi-channel sound...
US-7,889,721 Selecting an adaptor mode and communicating data based on the selected adaptor mode
A device selects a mode and communicates data based on the selected mode. The device comprises at least one interface circuit configured to monitor analog audio...
US-7,889,282 Digital television
A digital television combination integrated circuit is employed which includes a video signal D/A converter which converts a digital video signal to an analog...
US-7,889,240 Digital camera which detects a connection to an external device
An electronic camera and method of operating an electronic camera which detects whether an external device such as a personal computer is properly connected to...
US-7,889,201 Information processing apparatus
According to one embodiment, an information processing apparatus includes a connector, a graphics controller, a management controller, and a power supply control...
US-7,886,328 Protocol and system for broadcasting audiovisual programs from a server
The invention concerns a protocol for broadcasting to a terminal (T) audio-visual materials (PG) from an audio-visual server, comprising a signalling source (SS)...
US-7,886,152 Method and device for embedding watermark information and method and device for extracting embedded watermark...
For embedding watermark information into an information signal including audio and/or video information, first of all a synchronization sequence with a plurality...
US-7,886,151 Temporal synchronization of video and audio signals
A protocol for temporal synchronization of media signals with temporal components is used for digital watermarking and other applications. The synchronization...
US-7,885,818 Controlling an apparatus based on speech
An apparatus with a speech control unit includes a microphone array having multiple microphones for receiving respective audio signals, and a beam forming module...
US-7,885,424 Audio signal supply apparatus
An audio signal supply apparatus which can broaden a listening area in the directions of directivity axes of acoustic beams output from a speaker array and...
US-7,885,422 Audio device and method
The present invention provides a method of operating a digital audio device, the method comprising: receiving a voice call; receiving another digital audio...
US-7,885,272 Remote control of device by telephone or other communication devices
A communication device, such as a telephone or a personal computer, controls one or more remotely controlled devices solely over a signaling path, without...
US-7,884,844 System for conducting videoconferencing session over television network
A videoconferencing system includes a camera, a microphone, and an interface module. The module is coupled a modem connected to a television network and is...
US-7,884,788 Liquid crystal display device and electronic apparatus
A liquid crystal display device provided with an audio signal processing function, which includes an audio signal processing circuit with a large S/N ratio and a...
US-7,884,276 Music transcription
Methods, systems, and devices are described for automatically converting audio input signal data into musical score representation data. Embodiments of the...
US-7,883,009 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-7,881,925 Method and apparatus for performing packet loss or frame erasure concealment
The invention concerns a method and apparatus for performing packet loss or Frame Erasure Concealment (FEC) for a speech coder that does not have a built-in or...
US-7,881,922 Communication device and method to derive context information
A communication device comprises processing means, storage means for storing a database of language components, display means and user interface means. The...
US-7,881,817 Method and apparatus for processing an audio signal
A method for processing an audio signal, comprising the steps of extracting an ancillary signal for generating the audio signal and an extension signal included...
US-7,881,729 GPS-microphone for communication system
A communication apparatus, such as a GPS-microphone, which is adapted for incorporating a communication system, includes a communication unit such as a...
US-7,881,728 Self-powered positioning and modem system for two-way radio
A self-powered positioning and modem system, which is adapted for linking to a radio frequency transmitter of a communication device to communicating with a...
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