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Searching: audio signal





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Patent # Description
US-7,606,379 Omni-directional speaker lamp
A speaker, having a diaphragm with a central opening and further having a pole piece, including a first sound dispersion element extending from the pole piece...
US-7,606,376 Automotive audio controller with vibration sensor
An automotive audio controller is provided for receiving an audio signal from an audio source and providing a filtered audio signal that may help compensate for...
US-7,606,183 Devices, softwares and methods with improved performance of acoustic echo canceller in VoIP communication
Devices, softwares and methods send a warning signal when a periodic signal is present in the audio content of a VoIP connection. In response to the warning...
US-7,606,174 Signal transmission apparatus
A signal transmission apparatus is connected to a network as one node among a plurality of nodes involved in the network which is provided with an audio signal...
US-7,606,144 Ring-connected surveillance system with real-time backup monitoring
A real-time ring-loop surveillance network system is provided. By using digital communication network, multiple channels of media data and control data are...
US-7,605,873 LCD TV capable of being used as a music station only
An LCD TV capable of being used as a music station only, which can turn off the internal video decoder and the internal backlight power when the LCD TV only...
US-7,605,843 Monitoring apparatus
A monitoring method for monitoring a video/audio signal transmitted from a transmission source to a transmission destination has a step of storing the...
US-7,605,841 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-7,605,742 Foldable remote controller
A foldable remote controller is provided to remotely control a multimedia network device, transmit signals to the multimedia network device, and transmit or...
US-7,605,653 Sigma-delta based class D audio power amplifier with high power efficiency
An amplifier capable of driving an analog load is provided. The amplifier comprises a sigma delta modulator (SDM), a pulse processing circuit, an output stage,...
US-7,605,323 Ensemble system, audio playback apparatus and volume controller for the ensemble system
An audio playback apparatus, an automatic player musical instrument and a voltage controller form an ensemble system for producing music tunes in ensemble...
US-7,605,320 Method for synchronizing at least one multimedia peripheral of a portable communication device, and...
A method for synchronizing at least one multimedia peripheral of a portable communication device with a synthetic audio file (1), which method comprises a step...
US-7,603,559 Real-time signature embedding in video
A method and system for embedding an authentication signature in an audio-visual signal such that only a part of an entire frame of the audio-visual signal is...
US-7,603,505 Interactive electronic device with digital and analog data links
An interactive electronic device having a master integrated circuit, an analog audio output device and a bus having a single-conductor digital data link and a...
US-7,603,270 Method of prioritizing transmission of spectral components of audio signals
A method for the transmission of audio signals between a transmitter and at least one receiver operates according to the prioritizing pixel transmission method....
US-7,603,190 Digital recording/reproducing apparatus
Based on a digital recorder/player taken as a basic apparatus and which accommodates a field frequency of 60 fields/sec or a frame frequency of 30 frames/sec, an...
US-7,603,150 Wireless communication terminal having an impedance matching circuit
A wireless communication terminal able to suppress deterioration of antenna characteristics due to opening/closing of a terminal, that is, wireless communication...
US-7,603,149 Swivel-type mobile terminal and control method thereof
A swivel-type mobile terminal includes a terminal body having a microphone, a display unit which is rotatably and swingably connected to the terminal body and...
US-7,603,080 Multiple channel wireless communication system
A wireless headphone device may include a receiver for receiving a wireless digital signal containing a plurality of digital audio streams combined with control...
US-7,602,978 Deriving multiple identifiers from multimedia content
The presently claimed invention relates generally to content identification, such as deriving identifiers from content itself. One claim recites a method...
US-7,602,926 Stationary spectral power dependent audio enhancement system
An audio enhancement system (1) for speech recognition or voice control is described, comprising a signal input for carrying a distorted desired signal (z), a...
US-7,602,925 Audio feedback processing system
A signal processing system improves signal quality by accurately locating and eliminating a feedback signal in an input signal, such as an audio signal. The...
US-7,602,924 Reproduction apparatus with audio directionality indication of the location of screen information
A reproduction device has at least one screen for displaying information, with at least four sound reproduction devices respectively at the corners of the...
US-7,602,923 Electro acoustic system built-in test and calibration method
An electro acoustic system built-in test and calibration method utilizes a built-in self-test module to send a test signal through a first circuit device to an...
US-7,602,420 Image capture apparatus, method for controlling the same and computer program
An information code displayed on an image receiver is photographed by an image capture apparatus. Digital data representing a number unique to the image capture...
US-7,602,413 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-7,602,282 Audio system end of line load module providing a load on the audio circuit in response to a test signal
An end-of-line module provided at the end of the line of an audio circuit provides a load in response to a test signal. The load is detectable by an announcement...
US-7,600,248 Channel identification for digital broadcasts in passenger entertainment systems
A passenger entertainment system having video-on-demand, audio-on-demand, near video-on-demand, and digital and audio broadcast capabilities delivers multiple...
US-7,599,833 Apparatus and method for coding residual signals of audio signals into a frequency domain and apparatus and...
Provided is a residual signal coding/decoding apparatus and method. The residual signal coding apparatus includes a transformer, an LPC coefficient extractor, an...
US-7,599,719 Telephone and telephone accessory signal generator and methods and devices using the same
A device includes a telephone accessory configured and arranged to transmit an audio signal; and an audio effects generator coupled to the telephone accessory or...
US-7,599,705 Wireless transmitter and hearing system
A wireless transmitter includes an antenna and a signal generator. A control signal input to the signal generator controls a frequency band of a carrier...
US-7,599,504 Apparatus and method for adjusting sound volume for televisions and other audio systems
An apparatus for adjusting sound volume for an audio system includes a controller (101) connected to an amplifier (40) of the audio system, an audio processor...
US-7,599,475 Method and apparatus for generic analytics
A method and apparatus for revealing business or organizational aspects of an organization in audio signals captured from interactions, broadcasts or other...
US-7,598,447 Methods, systems and computer program products for detecting musical notes in an audio signal
Methods, system and/or computer program products for detection of a note include receiving an audio signal and generating a plurality of frequency domain...
US-7,596,490 Low bit-rate audio encoding
In a sinusoidal audio encoder a number of sinusoids are estimated per audio segment. A sinusoid is represented by frequency, amplitude and phase. The invention...
US-7,596,489 Transmission error concealment in an audio signal
A method of concealing transmission error in a digital audio signal in which a signal that has been decoded after transmission is received, the samples decoded...
US-7,596,488 System and method for real-time jitter control and packet-loss concealment in an audio signal
An "adaptive audio playback controller" operates by decoding and reading received packets of an audio signal into a signal buffer. Samples of the decoded audio...
US-7,596,486 Encoding an audio signal using different audio coder modes
The invention relates to a method for supporting an encoding of an audio signal, wherein a first coder mode and a second coder mode are available for encoding a...
US-7,596,351 Audio system, radio record module and methods for use therewith
A radio record module includes a radio data system (RDS) decoder module, that decodes a received RDS signal, that has an associated audio signal, into received...
US-7,596,233 System and method for controlling volume with a single knob
A system for controlling volume with a single knob includes: a knob (10) for generating rotation signals; a controlling apparatus (11) for determining a...
US-7,596,232 Apparatus and method for adjusting sound volume for televisions and other audio systems
An apparatus (10) for adjusting sound volume for an audio system includes a controller (101) connected to an amplifier (40) of the audio system for controlling...
US-7,596,231 Reducing noise in an audio signal
Methods, machines, systems and machine-readable instructions for processing input audio signals are described. In one aspect, an input audio signal has a noise...
US-7,596,229 Parametric audio system for operation in a saturated air medium
A parametric loudspeaker system and method for reducing distortion in a decoupled audio wave by creating a double sideband parametric ultrasonic signal that...
US-7,596,228 Parametric array modulation and processing method
A system using the nonlinearity of a propagation medium to demodulate an ultrasonic wave having audio modulated onto the ultrasonic frequency, audio signal...
US-7,596,188 Digital interface decode receiver apparatus
A power-down determination circuit calculates the horizontal frequency and vertical frequency, respectively, employing a clock signal obtained from a multiplier...
US-7,595,847 Audio/video playback control system of liquid crystal display television
An audio/video playback control system of liquid crystal display television (LCD TV) is provided to control an audio signal system, an image display system and a...
US-7,594,816 Female connector member for towing connector
A female connector member for a towing connector includes a buzzer mounted in an accommodation chamber of a connector body and electrically connected to the...
US-7,593,853 Baseband modem for speech recognition and mobile communication terminal using the same
A baseband modem and method for voice recognition and a mobile communication terminal using the baseband modem and method are disclosed. A speech recognition...
US-7,593,781 Audio feedback test
Methods and systems provide automated testing of computer facilitated audio input and output devices. A tone is converted from a digital to analog signal and is...
US-7,593,687 System and method for providing event spectators with audio/video signals pertaining to remote events
A system and method for providing content for access by a portable device at an event are provided. The system includes an interface to receive signals from a...
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