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Searching: audio signal





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Patent # Description
US-8,059,826 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
The present invention provides improvements to prior art audio codecs that generate a stereo-illusion through post-processing of a received mono signal. These...
US-8,059,806 Method and system for managing a communication session
A method and system for managing a communication session is provided. The communication session is associated with multiple communication devices. The method...
US-8,059,209 Broadcast signal receiving device and method
A broadcast signal receiving device includes a receiving unit, a registering unit and a channel selection unit. The receiving unit receives digital broadcast...
US-8,058,975 Remote control device, in particular a wand having motion detection
An infrared remote control is encapsulated in a plastic moulding and has no physical controlling buttons or virtual touch screen buttons that uses motion to...
US-RE42,928 Method and system for controlling operation mode switching of portable television (TV) phone
A method of controlling switching of an operation mode of a TV phone. The TV phone includes a TV unit that reproduces and outputs a video signal and an audio...
US-8,056,111 Audiovisual (AV) device and control method thereof
According to one embodiment, video image and audio signals are transmitted to a plurality of electronic devices each having at least one of a video image...
US-8,056,104 Control system and user interface for network of input devices
Apparatus, methods, and systems for centrally and uniformly controlling the operation of a variety of devices, such as communication, consumer electronic,...
US-8,056,103 System and method for transcoding signal content
In one embodiment, a method and system for receiving in a set-top-box a signal including a conditionally accessible content and encoded based on a first...
US-8,055,903 Signal watermarking in the presence of encryption
A method is disclosed that enables the transmission of a digital message along with a corresponding information signal, such as audio or video. The supplemental...
US-8,055,899 Systems and methods using digital watermarking and identifier extraction to provide promotional opportunities
The present disclosure relates to processing media content (e.g., video or audio signals). One claim recites a method including: receiving first content...
US-8,055,507 Apparatus and method for processing an audio signal using linear prediction
In one embodiment, the method includes receiving an audio data frame having at least one channel. The channel is subdivided into a plurality of blocks, and at...
US-8,055,506 Audio encoding and decoding apparatus and method using psychoacoustic frequency
Provided is an audio encoding and decoding apparatus and method for improving a compression ratio while maintaining sound quality when sinusoidal waves of an...
US-8,055,505 Audio content digital watermark detection
Digital watermark detection apparatus including detection units which calculate detected values of watermark signals by use of keys for PCM data of channels of...
US-8,055,364 System and method for request, delivery and use of multimedia files for audiovisual entertainment
A personal computer connected to the Internet can receive and store audio and audiovisual data or programming from the Internet. This audio and audiovisual...
US-8,055,363 Multimedia output apparatus and multimedia system comprising the same
A multimedia output apparatus includes an audio port to receive a first audio signal, a connection port to receive a first video signal or both a second video...
US-8,055,362 Recording-and-reproducing apparatus, information transfer-and-management method, and recording medium
A software program of a flash memory loaded into an IC recorder is read and executed by a PC connected to the IC recorder via an external interface and an...
US-8,055,276 Crisis response system including cell jamming device
A crisis response system including a throw module and a command unit connected by a communication cable. The throw module includes at least one covert video...
US-8,055,221 Method of providing video call service in mobile station in a weak signal environment
Improving the audio QoS of a video call service in a weak signal environment is accomplished. To do this, even if data is damaged in a weak signal environment...
US-8,055,118 Audio visual recording and reproducing apparatus
A combination apparatus incorporating a hard disk drive and an optical disc drive (audio-visual recording and reproducing apparatus) stores one or more keywords...
US-8,055,116 Method and system for providing audio-only recording of an audio/video signal
A method for providing audio-only recording is disclosed. According to the method, a combined video stream and an audio stream are received from a source. The...
US-8,055,012 Hiding and detecting messages in media signals
The present invention relates to steganographically hiding messages in media signals such as video and audio signals. In one implementation, a method of...
US-8,054,999 Audio system with varying time delay and method for processing audio signals
The invention regards a method for processing audio signals whereby an audio signal is captured, digitized and processed in the digital domain by a digital...
US-8,054,998 Multichannel amplifier
In a multichannel amplifier according to the present invention, in a case where a headphone is not connected to a headphone output terminal, a switch IC and...
US-8,054,995 System, method and apparatus for adjusting an output of a transducer
A system and method for modulating the sound pressure that is output from an audio transducer is disclosed. In one embodiment, the method includes receiving an...
US-8,054,993 System for automatic compensation of low frequency audio based on human loudness perceptual models
A system for boosting the bass of an audio signal to closely match or mirrors a plurality of Robinson-Dadson loudness curves by interpolating coefficients from...
US-8,054,989 Acoustic correction apparatus and method for vehicle audio system
Disclosed herein is an acoustic correction apparatus and method for vehicle audio systems which is capable of providing optimal sound at a reference level to a...
US-8,054,987 System for wireless audio signal distribution between a plurality of active loudspeakers
Each loudspeaker (10, 10') comprises means, e.g. of the Bluetooth type, for establishing a wireless interface with every other loudspeaker of the system. The...
US-8,054,986 Method and apparatus for computer communication using audio signals
An acoustic communication device includes a computer device having an acoustic transmitter and/or an acoustic receiver. A signal processing module processes...
US-8,054,981 Energy dependent quantization for efficient coding of spatial audio parameters
Parameters being a measure for a characteristic of a channel or of a pair of channels, wherein the parameter is a measure for a characteristic of the channel or...
US-8,054,979 Audio system for improving a signal to noise ratio
An audio system performing a class-D amplification includes a first pulse width modulation (PWM) signal generation unit and a second PWM signal generation unit....
US-8,054,969 Transmission of a digital message interspersed throughout a compressed information signal
A method is disclosed that enables the transmission of a digital message along with a corresponding media information signal, such as audio or video. A...
US-8,054,968 Method and apparatus for providing prepaid music card for deciphering recorded broadcast audio signals
An apparatus and method are provided for deciphering recorded digital audio signals and using a smart card to pay for deciphering. Encrypted digital audio...
US-8,054,954 One touch voice memo
The present invention provides a method, device, and system for taking voice memos during a communication session. More specifically, voice memos may be taken...
US-8,054,384 Method of auto-configuring audio-video signals and associated apparatus
An AV switching method capable of auto-configuring a plurality of AV input signals and associated apparatus is provided. An audio-video detector capable of...
US-8,054,166 Method and apparatus for telephonically accessing and navigating the internet
A method for accessing and browsing the internet through the use of a telephone and the associated DTMF signals is disclosed. The preferred embodiment provides...
US-8,054,130 Method for measuring the saturation rate of an audio amplifier
A method and corresponding circuit that adjusts the gain of an audio output stage having a class D amplifier, this method including the steps of setting the...
US-8,054,053 Audio apparatus, switching power supply, and switching control method
When power is turned on and in a state in which a power supply voltage is not supplied from the switching power supply to the second clock generating section,...
US-8,052,480 Pentagon arrangement of multiple pin connectors
A connector for electrically connecting an electronic device to another device includes an outer shell with a front surface that terminates at a front side of...
US-RE42,904 System and apparatus for dynamically generating audible notices from an information network
An apparatus and method for converting information from a text format to an audio format using distributed processing. A first set of computer readable program...
US-8,051,294 Methods for audio watermarking and decoding
The presently claimed invention relates generally to encoding and decoding audio signals to include auxiliary information. One example encoding technique...
US-8,050,934 Local pitch control based on seamless time scale modification and synchronized sampling rate conversion
This invention locally controls the pitch of speech and audio signals. The invention is based on a seamless time scale modification (S-TSM) scheme connected to...
US-8,050,933 Audio coding system using temporal shape of a decoded signal to adapt synthesized spectral components
A receiver in an audio coding system receives a signal conveying frequency subband signals representing an audio signal. The subband signals are examined to...
US-8,050,915 Apparatus and method of encoding and decoding audio signals using hierarchical block switching and linear...
In one embodiment, sample information and frame length information are obtained from the audio signal. The sample information indicates a total number of audio...
US-8,050,706 Terminal and method for controlling its audio alarm
The present invention discloses a terminal and a method for controlling audio alarm of the terminal. The method comprises detecting whether a valid wireless...
US-8,050,646 Noise suppressing device
To provide a noise suppressing device which accurately suppresses weak electric field strength pulse noise. A band-limiting unit (5) band-limits a composite...
US-8,050,572 Receiver and electronic device
An abnormal pulse detection circuit in a receiver of the present invention includes: an incoming pulse edge detection circuit which detects the moment of rise...
US-8,050,452 Quantization-based data embedding in mapped data
Novel methods and systems for quantization based data embedding and reading in host signals, such as image, audio and video signals. To embed auxiliary data in...
US-8,050,437 BTE/CIC auditory device and modular connector system therefor
An earpiece auditory device is described which includes a behind-the-ear component shaped to fit behind the ear of a user. The behind-the-ear component can also...
US-8,050,434 Multi-channel audio enhancement system
A method for processing audio signals can include receiving left and right front audio signals, where the left and right front audio signals including...
US-8,050,428 Audio signal transmission circuit
An exemplary audio signal transmission circuit includes a codec to provide analog and digital audio signals; an amplifier connected to the codec to receive the...
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