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Searching: audio signal





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Patent # Description
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...
US-8,798,282 Active noise reduction adaptive filter leakage adjusting
An active noise reduction system using adaptive filters. A method of operation the active noise reduction system includes smoothing a stream of leakage factors....
US-8,798,280 Calibration method and device in an audio system
The present publication describes a calibration method and apparatus, in which an electrical calibration signal is formed, an audio signal is formed in the...
US-8,798,278 Dynamic gain adjustment based on signal to ambient noise level
Methods and apparatuses for deriving a signal-to-noise ratio based at least in part on a measured level of a signal carrying far-end speech, and a measured...
US-8,798,276 Method and apparatus for encoding multi-channel audio signal and method and apparatus for decoding...
A method and apparatus which encode multi-channel audio signals and a method and apparatus which decode multi-channel audio signals. When encoding, a downmixed...
US-8,798,172 Method and apparatus to conceal error in decoded audio signal
A method and apparatus to decode audio data constructed with a plurality of layers. An error concealment method of process a decoded bitstream selects one of a...
US-8,798,133 Dual channel encoding and detection
Methods and systems for dual channel encoding and detection are described. In one embodiment, auxiliary data may be encoded in an audio portion of one or more...
US-8,797,459 Digital broadcast receiver and method for processing caption thereof
A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast...
US-8,796,527 Tone reproduction apparatus and method
Watermark information indicative of content of music piece performance data to be reproduced in synchronism with a first audio signal is embedded into the first...
US-8,793,364 Remote power controller
A remote power controller apparatus includes a first interface for communicating with a host computer, a second interface for communicating with a target...
US-8,793,126 Time/frequency two dimension post-processing
In accordance with an embodiment, a time-frequency post-processing method of improving perceptual quality of a decoded audio signal, the method includes...
US-8,793,123 Apparatus and method for converting an audio signal into a parameterized representation using band pass...
Apparatus for converting an audio signal into a parameterized representation, has a signal analyzer for analyzing a portion of the audio signal to obtain an...
US-8,792,945 Methods and devices for dual mode bidirectional audio communication
Disclosed are dual mode I/O devices and methods for transmission of a short range radio link such as a Bluetooth.RTM. link that is a bi-directional real-time...
US-8,792,939 Non-wireless bidirectional communication between a mobile device and associated secure element using an audio port
In some embodiments, a system includes a mobile communication device and a secure element physically coupled to the mobile communication device. The mobile...
US-8,792,669 Earphone system and use of an earphone system
There is provided an earphone system comprising an earphone and at least two acoustic dampers (24), the earphone comprising a speaker unit (10) and an earpiece...
US-8,792,657 Speaker device
A speaker device includes: an acoustic diaphragm; a vibration transfer member provided in a state of touching the acoustic diaphragm over a given length, which...
US-8,792,654 Audio equipment and a signal processing method thereof
The present invention relates to an audio equipment (1) and a signal processing method thereof, wherein the mismatches that can occur at the packet boundaries...
US-8,792,653 Signal processing apparatus and method
A signal processing apparatus includes a first audio output unit configured to output audio of a first audio signal input from a first signal input line, a...
US-8,792,648 Apparatus and method for transmitting/receiving voice signal through headset
An apparatus and method are disclosed, which separates ambient noise from a voice signal in a Bluetooth headset with dual microphones, switches the connection...
US-8,792,383 Digital communications system for residential and custodial-care environments, office and the like
The system is based on the arrangement of a plurality of terminals (1), (I') . . . (I.sup.n), which are interconnected with one another to form a digital...
US-8,792,059 Control device for audio-visual display
A control device signals user inputs to an audio-video display. The control device may be configured as a pillow speaker and include a speaker for reproducing...
US-8,792,055 Digital broadcast receiver and method for processing caption thereof
A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast...
US-8,791,914 Input method applied in electronic devices
An input method applicable for inputting into an electronic device, which includes the steps of capturing a lip motion of a person; receiving an image of the...
US-8,791,789 Remote control signaling using audio watermarks
A system for using a watermark embedded in an audio signal to remotely control a device. Various devices such as toys, computers, and appliances, equipped with...
US-8,790,263 Automated movement detection with audio and visual information
The embodiments contemplate systems and methods for detecting moving tissue within an object. In one such method, a first and second ultrasound pulse are...
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