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Searching: audio signal





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Patent # Description
US-7,688,711 Method and apparatus for transforming a digital audio signal and for inversely transforming a transformed...
A known time domain to frequency domain or frequency domain to time domain transform used in audio codecs is MDCT, which has the disadvantage of being costly in...
US-7,688,683 System and method of creating digital recordings of live performances
In one embodiment, the present invention provides an event recording system that has an event-capture module, an editing module, and a media recording module....
US-7,688,196 Intrinsically safe communication and tracking system
An intrinsically safe communication and tracking system comprising an overlapping series of intrinsically safe WIFI units wherein said WIFI units contain one or...
US-7,687,697 Sound panel for playing sounds and music, and method for manufacturing such panel
A sound panel for playing sounds and music, comprising a substantially flat soundboard made of wood, at least one tie which is fitted to the soundboard in order...
US-7,685,945 Dragstrip amusement ride
A drag strip race amusement ride runs on a straight-line track and is propelled to high rates of acceleration over the 150-foot racetrack. The vehicle cab seats...
US-7,685,641 Copy-protected digital audio compact disc, and method and system for producing same
A method for producing a copy-protected audio compact disc containing a plurality of symbols within error-correction codewords, representing audio data samples...
US-7,685,623 Audio/video signal distribution system
The invention concerns an audio/video signal distribution system, comprising audio/video signal sources (MGT, DVD, C, HIFI) and audio/video signal receivers...
US-7,684,982 Noise reduction and audio-visual speech activity detection
A noise reduction system including an audio-visual user interface combines visual features extracted from a digital video sequence with audio features extracted...
US-7,684,885 Wireless digital audio system
A wireless digital audio system includes a portable audio source with a digital audio transmitter operatively coupled thereto and an audio receiver operatively...
US-7,684,884 Audio processor, input/output processing apparatus, and information processing apparatus
There is provided an information processing apparatus in which a CPU and an audio processing unit are coupled by a bus. The audio processing unit includes a ring...
US-7,684,773 Mobile communication terminal with equalizer function
Disclosed is a mobile communication terminal which is provided with an equalizer function of audio equipment to adjust a timbre of transmitting/received speech...
US-7,684,766 System and method for managing talk burst authority of a mobile communication terminal
A method for managing talk burst authority of a mobile communication terminal for a PTT service comprises detecting a trigger signal generated from a voice...
US-7,684,678 Disc reproducing apparatus having screen display control unit
A disc reproducing apparatus connected to a monitor of an image output system controls image display on the monitor. According to information about an...
US-7,684,607 Fake currency detector using visual and reflective spectral response
A system for automatic detection of authenticity of security documents by measuring reflected components of incident energy in three or more optical wave bands....
US-7,684,578 Wave field synthesis apparatus and method of driving an array of loudspeakers
In a wave field synthesis apparatus for driving an array of loudspeakers with drive signals, the loudspeakers being arranged at different defined positions, a...
US-7,684,572 Mixer apparatus and music apparatus capable of communicating with the mixer apparatus
A plurality of music apparatus 10 to 30 such as an electronic musical instrument and a microphone apparatus are connected by wireless to a mixer apparatus 40. A...
US-7,684,571 System and method of generating an audio signal
A method of generating an audio signal comprises receiving a plurality of input audio signals from a plurality of microphones forming a microphone array, the...
US-7,684,570 Vehicle remote control interface for controlling multiple electronic devices
An interface device for interconnecting fixed controls of a vehicle to electronic devices. The interface device is capable of receiving control signals from...
US-7,684,480 Method and system for equalization of a replacement load
A system (10) and method (50) of equalizing an audio signal from an existing radio or head unit (30) using an interface unit (10) between the radio or head unit...
US-7,684,415 Audio network system
A plurality of partial networks can work independently from each other, and each partial network connects together several nodes including a connection node for...
US-7,683,974 Detection device for video/audio interface outlet and earphone line outlet
A detection device and method commonly used for a video interface outlet and earphone line outlet is used to allow the detection device to detect whether a...
US-7,683,710 Electronic signal processor
An electronic signal processor for processing signals includes a complex first filter, one or more gain stages and a second filter. The first filter is...
US-7,682,893 Method and apparatus for providing an instrument playing service
A method and apparatus for providing an instrument playing service in a portable terminal. In the method, an image of an instrument is projected. User finger...
US-7,682,018 Eyeglasses with detachable adjustable electronics module
A detachable adjustable electronics module may be removably or permanently connected to eyewear. The module may include electronics for processing audio and/or...
US-7,680,993 Local digital asset storage management technique
A technique is described for managing the local storage of digital assets, such as audio, (moving or still) pictures, text, executable code and combinations...
US-7,680,853 Clickable snippets in audio/video search results
Search results are provided in a format that allows users to efficiently determine whether audio or video documents identified from a search query actually...
US-7,680,657 Auto segmentation based partitioning and clustering approach to robust endpointing
Possible segmentations for an audio signal are scored based on distortions for feature vectors of the audio signal and the total number of segments in the...
US-7,680,652 Periodic signal enhancement system
A signal enhancement system improves the understandability of speech or other audio signals. The system reinforces selected parts of the signal, may attenuate...
US-7,680,465 Sound enhancement for audio devices based on user-specific audio processing parameters
Various embodiments are disclosed relating to sound enhancement for wireless audio devices. A technique may include determining one or more user-specific audio...
US-7,680,288 Apparatus and method for generating, storing, or editing an audio representation of an audio scene
An apparatus for generating, storing or editing an audio representation of an audio scene includes audio processing means for generating a plurality of speaker...
US-7,680,286 Sound field measurement device
A wide frequency range signal from a test sound source is reproduced successively by a plurality of speakers, and the reproduced sound is detected by a plurality...
US-7,680,284 Apparatus and method for controlling operation of audio low sound output means
The present invention is related to an apparatus and a method for controlling operations of low sound output in an audio system. Embodiments of an apparatus and...
US-7,680,201 Forward error correction coding for AM 9kHz and 10kHz in-band on-channel digital audio broadcasting systems
A method of broadcasting an AM compatible digital audio broadcasting signal includes: producing an analog modulated carrier signal centrally positioned in a...
US-7,680,056 Apparatus and method for extracting a test signal section from an audio signal
For extracting signal test sections conforming to an auditory test from an audio signal, in particular for non-intrusive tests for a quality assessment of a...
US-7,680,002 Information recording medium, information recording apparatus and method, information reproducing apparatus and...
An information recording medium includes an object data file for storing object data as a series of content information such as video information and audio...
US-7,679,380 Overcurrent detection device
The present invention discloses an overcurrent detection device, which uses a first NOT gate and a second NOT gate to reverse the logic states of a first digital...
US-7,679,322 Auxiliary power adapter having device controls
An accessory for a portable electronic device, such as a digital music player, includes a set of device controls for controlling the portable electronic device....
US-7,678,985 Standalone electronic module for use with musical instruments
An electronic module has an enclosure which is mechanically and electrically compatible with a plurality of receiving devices such as amplifiers, computers,...
US-7,676,844 Signal reproducing system
Based on user identification data transmitted together with a compressed data from a portable reproducing apparatus, if an apparatus recognizes that a user who...
US-7,676,821 Method and related system for detecting advertising sections of video signal by integrating results based on...
Method and related system for detecting advertising sections of video signal. The invention is capable of integrating detecting results based on different...
US-7,676,360 Method for scale-factor estimation in an audio encoder
A method, system and computer program product for computationally efficient estimation of the scale factors of one or more frequency bands in an encoder. These...
US-7,676,290 Method for remotely evaluating the audio quality of an IP terminal and corresponding terminal
The present invention concerns a method for remotely evaluating and/or checking the audio quality of an Internet Protocol based voice communication terminal and...
US-7,676,250 Method for controlling audio signals to an FM transmitter and a loudspeaker of a hands-free adapter
A method (200) for controlling audio signals to an FM transmitter and a loudspeaker of a hands-free adapter first sends a first audio signal to the loudspeaker...
US-7,676,060 Distributed content identification
A method of identifying content in a distributed computing system. The method receives an image or audio signal in a first device in the distributed computing...
US-7,676,049 Reconfigurable audio-video surround sound receiver (AVR) and method
A reconfigurable audio-video surround sound receiver (AVR) and method provide flexible surround speaker placement and a low cost simulated surround sound...
US-7,676,047 Electroacoustical transducing with low frequency augmenting devices
A method for processing a multichannel audio signal. The method includes mounting electroacoustical transducers in a low frequency augmenting device. The...
US-7,676,044 Multi-speaker audio system and automatic control method
A sound produced at the location of a listener is captured by a microphone in each of a plurality of speaker devices. A sever apparatus receives an audio signal...
US-7,676,043 Audio bandwidth expansion
Bandwidth expansion for audio signals by frequency band translations plus adaptive gains to create higher frequencies; use of a common channel for both stereo...
US-7,675,977 Method and apparatus for processing audio signal
Apparatus and methods for processing a signal are disclosed. Data coding and entropy coding are performed with interconnection, and grouping is used to enhance...
US-7,675,577 Device and method for automatically changing broadcast channel of vehicle television with diversity antenna
A device and method for automatically changing a broadcast channel of a vehicle television with a diversity antenna is provided. The device includes an antenna...
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