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Searching: audio signal





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Patent # Description
US-7,576,277 Tuning device for musical instruments and computer program for the same
A portable tuning device samples discrete values on a fundamental frequency component of an audio signal, which is equivalent to sound waves produced in a...
US-7,574,917 Method for in-situ measuring of acoustic attenuation and system therefor
There is provided a method for measuring in-situ the acoustic attenuation obtained by a hearing protection device worn by a user, comprising: positioning the...
US-7,574,355 Apparatus and method for determining a quantizer step size
For determining a quantizer step size for quantizing a signal including audio or video information, a first quantizer step size as well as an interference...
US-7,574,276 System and methods for providing automatic classification of media entities according to melodic movement...
In connection with a classification system for classifying media entities that merges perceptual classification techniques and digital signal processing...
US-7,574,264 Multirate cochlear stimulation strategy and apparatus
A cochlear implant system in which information about the periodicity of a received audio signal in each filter channel is used as a factor in determining the...
US-7,574,180 Transmitter
A transmitter for modulating an externally supplied audio signal according to a predetermined modulation system and for transmitting an obtained modulation...
US-7,574,011 Detection device
The invention is based on the idea of providing a detection device which is capable of distinguishing whether a microphone or audio signal processing arrangement...
US-7,574,010 System and method for adjusting an audio signal
Disclosed is a system and method of adjusting an audio signal for a communication device. The method comprises: identifying a characteristic associated with the...
US-7,574,009 Method and apparatus for controlling the reproduction in audio signals in electroacoustic converters
The aim of the invention is to control the bass reproduction of audio signals in electroacoustic transducers based on the psychoacoustic principle denoted by the...
US-7,573,917 Method and apparatus for generating information signal to be recorded
A compressively-encoding-resultant video signal resulting from compressively encoding a video signal, a first compressively-encoding-resultant audio signal...
US-7,573,868 Audio/video synchronization using audio hashing
Audio and video frames are synchronized by hashing an audio frame at a sender and combining the resultant hash value with the video frame. The audio frame is...
US-7,572,969 Method for making electronic tones close to acoustic tones, recording system for the acoustic tones, tone...
A grand piano generates acoustic tones through vibrations of strings and sound board so that the acoustic tones are converted to analog audio signals at...
US-7,572,968 Electronic musical instrument
The present invention enables a user to select and control on an electronic musical instrument, just by selecting a registration data set, the mode for...
US-7,572,143 Interfacing between a computer and audio/video equipment
Embodiments for interfacing between a computer and audio/video equipment are provided. One embodiment comprises a cable that includes a docking cable having a...
US-7,571,455 TV having language selection function and control method of the same
A television (TV) with a language selection function and an associated control method is provided which allows a user to select a desired display language...
US-7,571,253 Method for providing video and audio data to a plurality of clients
Provided is a method for controlling a video server providing video and audio data to a plurality of clients via a communication network in real time. Analog...
US-7,571,244 Audio-video data switching and viewing system
A computer system and method providing for viewing and switching of audio-video data. The system comprises: a plurality of audio/video sources containing...
US-7,570,977 Personal communication system
A personal wearable communication and speaker entertainment system which provides improved quality audio response and which does not interfere with the wearer's...
US-7,570,974 Bluetooth.RTM. enabled hearing aid
The present invention relates to a method and apparatus for improving interference suppression processing and control in hearing aids communicating with a mobile...
US-7,570,817 Signal compression and decompression
A method of data compression, for example for image or audio signals, comprises encoding the data using a transform such as a wavelet transform or DCT, and...
US-7,570,693 Low noise digital to pulse width modulated converter with audio applications
The present invention relates to digital-to-analog conversion. In particular, it has application to conversion of pulse code modulated signals, such as used in...
US-7,570,674 Method and apparatus for generating information signal to be recorded
A compressively-encoding-resultant video signal resulting from compressively encoding a video signal, a first compressively-encoding-resultant audio signal...
US-7,570,304 Method, apparatus and computer program product for synchronizing presentation of digital video data with...
The present invention provides a method for matching the rate of presentation of digital video data at a receiver/client with the rate the server is serving the...
US-7,569,018 Apparatus and method for noninvasively detecting the quality of cardiac pumping
An auditory pulse monitor for noninvasively detecting the amplitude of arterial pulses on a beat-by-beat basis. A light-weight optical sensor including a light...
US-7,568,929 Audio jack connector and connector assembly incorporating the same
An audio jack connector adapted for mating with a plug connector which has an insulating loop thereon includes a dielectric housing, a plurality of signal...
US-7,567,898 Regulation of volume of voice in conjunction with background sound
An audio information processing system, which when incorporated in home audio video systems, provides independent volume control capability, independent...
US-7,567,860 Audio alert system and method
An audio alert system, device, and method includes an audio alert created by a user and programmed into a device, such as a wireless telephone. A user stores in...
US-7,567,848 Speaker apparatus and a computer system incorporating same
An internal subwoofer apparatus is provided for mounting within a computer system. The computer system is a multi-media computer system that processes visual and...
US-7,567,845 Ambience generation for stereo signals
Extracting an ambience signal from a plurality of audio signals includes transforming the signals into a short-time transform domain; computing an interchannel...
US-7,567,827 Mobile terminal and method for changing an operational mode using speech recognition
Disclosed is a mobile terminal, which includes a microphone path switching unit for switching a microphone signal path used to input audio information from a...
US-7,567,686 Hiding and detecting messages in media signals
The present invention relates generally to audio and video signal processing, e.g., audio or video signal encoding and detection. One claim recites a method of...
US-7,567,682 Audio processing apparatus
An audio processing apparatus has converting means for converting n-channel (positive integral number: n.gtoreq.1) audio signals input from at least one sound...
US-7,567,677 Noise reduction scheme for a computer system
A noise reduction scheme is incorporated into a computer system for reducing environmental background noise when a user is listening to audio output through a...
US-7,567,591 Method and apparatus for generating information signal to be recorded
A compressively-encoding-resultant video signal resulting from compressively encoding a video signal, a first compressively-encoding-resultant audio signal...
US-7,567,588 Transmission system
A transmission system omits blanking signals from vertical and horizontal synchronizing signals for video data while securing synchronized transmission between a...
US-7,567,576 Method and apparatus for throttling audio packets according to gateway processing capacity
Rather than dropping packets, the invention throttles the rate that audio packets are output from a voice gateway by increasing the VoIP packet size. An encoder...
US-7,567,498 Phonographic turntable with built-in audio to USB or firewire device
The present invention is a turntable which includes an internal analog to digital converter and a controller for a standard digital format. This allows a jack...
US-7,567,256 Method and apparatus for analyzing digital video using multi-format display
A multi-format display device for video production and testing selectively presents a video input signal in three or more distinct ways to facilitate analysis. A...
US-7,565,530 Source device and method for controlling output to sink device according to each content
A source device and a method are provided for certifying and controlling A/V signals output from an A/V device through an output terminal of a digital visual...
US-7,565,298 Record carrier having an encoded wide-band digital audio signal recorded thereon
Reproduction accuracy of a digital signal, representing, for example, stereo audio signals, is improved by transmitting sample data which have been encoded to...
US-7,565,296 Digital audio watermark inserting/detecting apparatus and method
The present invention relates to a digital audio watermark inserting/detecting method and apparatus. The present invention provide the digital audio watermark...
US-7,565,289 Echo avoidance in audio time stretching
A transient echo can be avoided during time stretching of a digital audio signal by detecting a transient in a frame of a digital audio signal, identifying...
US-7,565,214 Audio system for playing back recorded information by remote transmission
The present invention is directed to an audio system for playing back recorded information by remote transmission. At the transmitting end of the system, an...
US-7,565,212 Configuration method of digital audio mixer
A configuration method is performed for controlling an audio apparatus having a main block configurable for processing audio signals such as modifying and mixing...
US-7,565,122 System and method for providing automatic tuning of a radio receiver and for providing automatic control of a...
A sound system with a radio receiver having the ability to automatically tune to a new radio station if (a) the current radio station is broadcasting a song,...
US-7,565,061 Transmitting and recording method, reproducing method, and reproducing apparatus of information and its...
A method of reproducing data from a recording medium, wherein each of the data includes reference time information indicating a reference time and packet...
US-7,564,988 Audio apparatus
Audio apparatus (30) comprising a piezoelectric transducer (44) and coupling means (54) for coupling the transducer to a user's pinna (32) whereby the transducer...
US-7,564,983 Audio playback device capable of independent operations in dual modes
A play-back device includes a body device including: a playback mode setting unit for selecting a plurality of playback modes such as a CD mode, an AM mode and...
US-7,564,981 Method of adjusting linear parameters of a parametric ultrasonic signal to reduce non-linearities in decoupled...
A method and system of producing a parametric ultrasonic wave to be decoupled in air to create a decoupled audio wave that closely corresponds to an audio input...
US-7,564,979 Listener specific audio reproduction system
A system for use with an audio reproduction system that corrects for distortion caused by the system as well as any hearing impairment suffered a listener. Test...
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