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Searching: audio signal





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Patent # Description
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...
US-7,881,713 System and method of wirelessly triggering portable devices
The present invention provides for a system and method of wirelessly triggering portable devices to provide a user with audio and/or visual information related...
US-7,881,592 Digital audio/video playback system capable of controlling audio and video playback speed
A digital audio/video playback system capable of controlling audio and video playback speed for decoding a digital audio/video signal and then outputting such...
US-7,881,485 Apparatus and method of determining an impulse response and apparatus and method of presenting an audio piece
The apparatus for determining an impulse response in an environment in which a speaker and a microphone are placed works using an audio signal. Means for...
US-7,881,482 Audio enhancement system
An audio enhancement system is provided for compensating for distortions (e.g., linear distortions) of a sound signal reproduced by an audio system in a...
US-7,881,481 Audio processing apparatus and method
Disclosed herein are an audio processing apparatus and method. In an embodiment, if a playing mode that abruptly changes the level of audio being played has been...
US-7,881,479 Audio processing method and sound field reproducing system
An audio signal processing method comprises the steps of emitting a sound at a virtual sound image location in space on the outer side of a closed surface,...
US-7,881,460 Configuration of echo cancellation
A determination to enable echo cancellation is made in advance of a real-time communication session. A model sample audio file stored in memory on the computer...
US-7,881,284 Method and apparatus for dynamically adjusting the playout delay of audio signals
Disclosed is a method and apparatus for dynamically adjusting the playout delay for audio signals, which mainly includes three parts of dynamic adjustment, i.e.,...
US-7,880,817 Receiver apparatus for outputting digital video and audio signals and receiver system incorporating the...
A receiver apparatus 3 has a digital circuit portion 13 that converts a compressed digital signal outputted from a digital demodulating portion 12 into digital...
US-7,880,748 Audio view using 3-dimensional plot
Techniques for editing signal data using a three-dimensional visual representation of the signal data are provided. According to one embodiment of the invention,...
US-7,880,612 Anti-theft method and device
The invention comprises of a method and alarm device used to prevent metal theft from irrigation systems. The alarm device attaches to a plurality of electric...
US-RE42,093 Active audio compressing in telecommunication
An output reducing system for a telephone system, e.g., implemented in a headset, includes an input line and an output line, wherein the input line transmits an...
US-7,877,752 Method and system for efficient audio scheduling for dual-decode digital signal processor (DSP)
Methods and systems for coordinating the handling of information are disclosed herein and may include scheduling multiple processing tasks for processing...
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