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Searching: audio signal





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Patent # Description
US-8,811,626 Recording/reproducing apparatus
A recording/reproducing apparatus includes a plurality of unidirectional microphones and a plurality of direction indicator switches. The unidirectional...
US-8,811,625 Headphone system, portable electronic device and audio output switching method
A headphone system, installed in a portable electronic device for outputting sounds, includes an audio wire for transmitting audio signals, a sound output...
US-8,811,624 Echo cancellation method and device
The present invention discloses an echo cancellation method. The method includes: dividing an audio signal into a high-band audio signal and a low-band audio...
US-8,811,470 Integrated circuit for video/audio processing
An integrated circuit for video/audio processing in which design resources obtained by development of video/audio devices can also be used for other types of...
US-8,811,416 Gateway device, mobile terminal, mobile communication method, and program
A gateway device connects a packet transfer device on a mobile high-speed network and a radio network controller on a mobile circuit-switched network via an IMS...
US-8,811,386 Packet handler for high speed data networks
An improved packet handler for VoIP cable modems and other high-speed digital devices includes a direct communication link via hardware among internal...
US-8,811,375 Multimedia apparatus and synchronization method thereof
A multimedia apparatus and a synchronization method thereof are provided. The multimedia apparatus includes a video output unit which outputs a video, and a...
US-8,811,119 Distance estimation using sound signals
An apparatus comprises a test signal generator (401) which generates an ultrasonic test signal by modulating an audio band test signal on an ultrasonic signal....
US-8,810,730 Receiving device for audio-video system
The invention relates to a receiving device for an audio-video system. The receiving device comprises a connector, a video processing unit, an audio processing...
US-8,810,656 System and method for detecting motion and providing an audible message or response
The present invention is to provide a system and method for monitoring a location that may include detecting motion in an area and providing an audible message...
US-8,808,160 Method and apparatus for providing therapy using spontaneous otoacoustic emission analysis
A method and apparatus for providing therapy using spontaneous otoacoustic emission (SOAE) analysis is described. In one embodiments, a method for utilizing the...
US-8,808,144 Audio pacing device
There is provided a audio pacing device including a sensing unit, such as heart rate monitoring unit, to obtain a parameter, such as heart-beat rate (pulse), of...
US-8,807,569 Illuminated bean bag toss game
Provided is an illuminated toss game having at least one (1) game piece that is tossed into at least one (1) scoring hole located in a top surface of a playing...
US-8,807,058 Jet powered multihull networked vessel for providing diving services with an onboard water jetting system and...
A diving services multihull vessel with a starboard pontoon and a port pontoon, with dive support stations built into the bow and stern, a port independently...
US-8,806,079 Interface circuit and an electronic device including the same
An interface circuit for use in an electronic device includes a switch module and a control module including signal receiving and transmitting pins. When a...
US-8,805,723 Acoustically transmitting a resource identifier in multiple concurrent segments
A plurality of audio signals are broadcasted concurrently on a plurality of substantially separate audio channels. Each of the audio channels has a center...
US-8,805,696 Quality improvement techniques in an audio encoder
An audio encoder implements multi-channel coding decision, band truncation, multi-channel rematrixing, and header reduction techniques to improve quality and...
US-8,805,694 Method and apparatus for encoding and decoding audio signal using adaptive sinusoidal coding
A method and an apparatus for encoding and decoding audio signals using adaptive sinusoidal coding are provided. The audio signal encoding method includes the...
US-8,805,682 Real-time encoding technique
A system for encoding an audio signal includes an audio console configured to receive a voice audio signal contained within a first audio spectrum, encode the...
US-8,805,680 Method and apparatus for encoding and decoding audio signal using layered sinusoidal pulse coding
Provided are a method and an apparatus for encoding and decoding an audio signal. A method for encoding an audio signal includes receiving a transformed audio...
US-8,805,679 Audio signal transient detection
Provided are, among other things, systems, methods and techniques for detecting whether a transient exists within an audio signal. According to one...
US-8,805,320 Method and system for message collision avoidance
A system that incorporates the subject disclosure may include, for example, receiving first and second audio input signals from first and second communication...
US-8,805,312 Methods, circuits, systems and apparatus providing audio sensitivity enhancement in a wireless receiver, power...
A wireless receiver (10) includes a down converter module (210) operable to deliver a signal having a signal bandwidth that changes over time, a dynamically...
US-8,804,985 Systems and methods for high pass filtering with smart saturation
An audio processing system that includes an audio filter having one or more elements capable of having state, such as a capacitor, an inductor or a delay. A...
US-8,804,984 Spectral shaping for audio mixing
Techniques are described herein that are capable of spectrally shaping audio signal(s) for audio mixing. Spectrally shaping an audio signal means modifying a...
US-8,804,983 Microphone and microphone apparatus
A microphone includes a microphone unit having a diaphragm, a fixed electrode and a FET as an impedance converter; a plug outputting audio signals output from...
US-8,804,981 Processing audio signals
According to an embodiment, a method of reducing noise in a signal received at a processing stage of an acoustic system includes, at the processing stage...
US-8,804,980 Signal processing method and apparatus, and recording medium in which a signal processing program is recorded
A signal processing method for converting a signal received via a transmission path or read from a storage medium into a first audible signal, and suppressing a...
US-8,804,971 Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio
A method for encoding a multichannel audio input signal, including steps of generating a downmix of low frequency components of a subset of channels of the...
US-8,804,970 Low bitrate audio encoding/decoding scheme with common preprocessing
An audio encoder has a common preprocessing stage, an information sink based encoding branch such as spectral domain encoding branch, a information source based...
US-8,804,968 Audio network system and method of detecting topology in audio signal transmitting system
In an audio network system constructed from a main node and a plurality of satellite nodes each having a plurality of ports, the main node generates and...
US-8,804,967 Method for encoding and decoding multi-channel audio signal and apparatus thereof
Methods and apparatuses for encoding and decoding a multi-channel audio signal are provided. In the encoding method, spatial information is calculated based on...
US-8,804,608 Methods, apparatus, and systems for facilitating audio communications between disparate devices
An access node for facilitating communications between disparate devices is disclosed. The access node includes an access communication device (ACD) interface...
US-8,804,526 Management of data congestion in a data network
A congestion management apparatus for receiving a traffic data stream and an associated control signal, wherein the apparatus detects a congestion indicator in...
US-8,804,093 Systems and methods for theater seat movement
Systems and methods for providing movement to seating including theater seating generate complex motion responses in the seating by automatically analyzing an...
US-8,804,035 Method and system for communicating descriptive data in a television broadcast system
A method and system for communicating text descriptive data has a receiving device that receives a data signal having text description data corresponding to a...
US-8,803,969 Event monitoring report and display system
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-8,803,560 Audio frequency device for audible eyes off measurements
An electrical to audible signal measurement apparatus comprises an absolute value converter, a voltage to frequency converter, a polarity detector, and a...
US-8,802,954 System and method for controlling audio source
An apparatus for signal processing, wherein a disc is placed on a turntable and is provided with a groove which can be followed by the pick-up element, and...
US-8,801,488 Chin strap sensor for triggering control of walk-around characters
A walk-around character assembly or system with enhanced control functionality to provide a performer of a walk-around character the ability to silently and...
US-8,801,472 Audio plug structure having an electronic element with electrodes
The invention relates to an audio plug structure improvement, particularly to the audio plug coinciding with the standard specification of a 2.5 mm, 3.5 mm or...
US-8,800,371 Electrostatic force generator and force measurement system and accelerometer having the same
An electrostatic force generator is disclosed. The electrostatic force generator includes an RF AC voltage source, a capacitive module, a resonant...
US-8,799,937 Methods and apparatus to enforce a power off state of an audience measurement device during shipping
Methods and apparatus to enforce a power off state of an audience measurement device during shipping of the device are disclosed herein. An example portable...
US-8,799,935 Multimedia device having a substrate fixing structure
A multimedia device including a back-end substrate that includes a heat source and a reproducing unit that is configured to reproduce an audio and/or a video...
US-8,799,757 Synchronization aspects of interactive multimedia presentation management
An interactive multimedia presentation has a predetermined presentation play duration, a video content component (which may include video, audio, data, or any...
US-8,799,541 Transmitter, receiver, and communication path switch method
According to one embodiment, a transmitter including an AV transmission unit including a first transmission unit which transmits video/audio data according to a...
US-8,799,002 Efficient scalefactor estimation in advanced audio coding and MP3 encoder
An efficient approach for estimating scalefactors for use in the quantization of audio signal spectrum values is described. The scalefactor estimation approach...
US-8,798,992 Audio noise modification for event broadcasting
An signal processing apparatus, system and software product for audio modification/substitution of a background noise generated during an event including, but...
US-8,798,289 Adaptive power saving for an audio device
An adaptive power control monitors the noise level within a primary acoustic signal and compares the noise level to a threshold. If the noise level is lower...
US-8,798,286 System and method of providing audio content
A method includes receiving input from a remote control device at a set-top box device. The input identifies media content that includes audio content and video...
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