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Searching: audio signal





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Patent # Description
US-8,509,882 Heart monitoring system usable with a smartphone or computer
A personal monitoring device has a sensor assembly configured to sense physiological signals upon contact with a user's skin. The sensor assembly produces...
US-8,509,694 Techniques for facilitating communication between a portable media device and an accessory using multiple...
Techniques for facilitating communication between a portable media device (PMD) and an accessory via multiple communication paths. In one set of embodiments, an...
US-8,509,693 Method and system for audio routing in a vehicle mounted communication system
A system and method for routing audio for a vehicle mounted communication system includes activating (210) a (Push-To-Talk) PTT button associated with a...
US-8,509,692 System and method for real-time wireless transmission of digital audio signal and control data
Disclosed is a system and method for the real-time wireless transmission of a digital audio signal and control data. A transmitter may be coupled to an audio...
US-8,509,591 Transmission apparatus, reception apparatus, and transmission method
According to one embodiment, a transmission apparatus includes a transmission module, a controller, a signal transmission module, and a selection module. The...
US-8,509,464 Multi-channel audio enhancement system
A method for processing audio signals can include applying at least one front perspective filter to each of left and right front audio signals to yield filtered...
US-8,509,463 Multi-mode sound reproduction system and a corresponding method thereof
There is provided a multi-mode sound reproduction system for reproduction of both stereophonic signals and multi-channel audio signals. The system includes a...
US-8,509,456 Level adjusting circuit
A circuit configured to adjust the level of an audio signal includes filters each of which is configured to receive an audio signal, and to pass a band set for...
US-8,509,454 Focusing on a portion of an audio scene for an audio signal
Aspects of the invention provide methods, computer-readable media, and apparatuses for spatially manipulating sound that is played back to a listener over a set...
US-8,509,452 Noise reduction apparatus and audio reproduction apparatus
A noise reduction apparatus includes: a speaker with a speaker unit held by holding means to make it possible to mix sounds emitted from front and rear of a...
US-8,509,450 Dynamic audibility enhancement
A method of enhancing an audio signal includes the steps of: a) receiving a primary audio input signal, b) receiving a detected audio signal which comprises: A)...
US-8,509,421 Method and device for checking a subscriber line
In a method for checking a subscriber line with a first and a second electrical line, wherein each line is connected to an encoder/decoder via a subscriber line...
US-8,509,212 Method and system of recovering lost mobile devices
An approach is provided for remotely controlling and/or tracking mobile devices. A request is received to track a mobile device. A control signal is generated,...
US-8,508,575 Television system, television set and method for operating a television system
A television system, comprising: a television set including a display and an input adapted to receive a television signal and a video conferencing signal,...
US-8,508,574 Web based conference server and method
A video conference server in a digital data network that includes at least one audio port and at least one video port, a memory unit, an audio processing unit,...
US-8,508,357 Methods and apparatus to encode and decode audio for shopper location and advertisement presentation tracking
Methods and apparatus to encode and decode audio for shopper location and advertisement presentation tracking are disclosed. A method for tracking a shopper...
US-8,508,300 Circuit for thermal protection in audio power amplifier and method thereof
The present invention relates to audio amplifier and a method for protecting the audio amplifier. The audio amplifier includes a pre-amp circuit, an output...
US-8,507,781 Rhythm recognition from an audio signal
A guitar delay engine such as a multi-tap delay pedal or other rhythm engine such as a vocal multi-tap delay pedal, a drum machine, or any other device that...
US-8,506,455 Exercise mat with integrated audio
In an embodiment, the invention provides an exercise mat, which may be of flexible polymer foam material and which includes one or more speakers integrated...
US-8,505,054 System, device, and method for distributing audio signals for an audio/video presentation
The audio portion of an A/V signal is sent to one or more mobile devices and the video portion of the A/V signal is sent to one or more separate display devices...
US-8,504,738 Media management and routing within an electronic device
A method and apparatus for intelligently routing and managing audio signals within an electronic device is disclosed. The routing is responsive to a set of...
US-8,504,377 Method and an apparatus for processing a signal using length-adjusted window
A method of processing a signal is disclosed. The present invention includes receiving at least one of a first signal and a second signal, obtaining mode...
US-8,504,376 Methods and apparatuses for encoding and decoding object-based audio signals
An audio encoding method and apparatus and an audio decoding method and apparatus are provided. The audio signal decoding method includes extracting a downmix...
US-8,504,181 Audio signal loudness measurement and modification in the MDCT domain
Processing an audio signal represented by the Modified Discrete Cosine Transform (MDCT) of a time-sampled real signal is disclosed in which the loudness of the...
US-8,504,117 De-noising method for multi-microphone audio equipment, in particular for a "hands free" telephony system
This method comprises the following steps in the frequency domain: a) estimating a probability that speech is present; b) estimating a spectral covariance...
US-8,504,103 Cellular home security system
The invention provides an improved security system comprised of video cameras and microphones to remotely monitor a home using a cellular telephone. An...
US-8,503,972 Multi-functional remote monitoring system
A multi-functional remote monitoring system for use in a mobile surveillance system comprising a host controller, at least one hub transceiver, and at least one...
US-8,503,930 Signal transmission via body conduction
Methods and apparatus for signal transmission via body conduction are disclosed herein. The assembly may be attached, adhered, or otherwise embedded into or...
US-8,503,716 Embedded appliance for multimedia capture
A multimedia device includes input ports dedicated to receiving a real-time media signal and a processor system dedicated to capturing the real-time media...
US-8,503,708 Hearing assistance device with programmable direct audio input port
Apparatus and methods to detect signals connected to a direct audio input port of a hearing assistance device are provided. According to one embodiment, a...
US-8,503,696 Equalizer interface for electronic apparatus
An electronic apparatus such as an audio apparatus, television signal receiver, or other apparatus provides an equalizer interface that enables equalizer...
US-8,503,695 Suppressing output offset in an audio device
A digital offset is combined with an audio signal in the digital domain to cancel an output offset caused by one or more analog components processing the same...
US-8,503,694 Sound capture system for devices with two microphones
The perceptual sound quality of desired audio signals (e.g., human voice) captured by an electronic device (e.g., cell phone) are improved by reducing ambient...
US-8,503,685 Auditory front end customization
A method and system for implementing an acoustical front end customization are disclosed. The customization is implemented to optimize the sound level for each...
US-8,503,684 Multi-channel audio signal decoding method and device
A multi-channel audio signal decoding method and device is provided. The multi-channel audio signal decoding method includes receiving a first multi-channel...
US-8,503,683 Apparatus and method for encoding/decoding signal
An encoding method and apparatus and a decoding method and apparatus are provided. The decoding method includes extracting a down-mix signal and spatial...
US-8,503,682 Head-related transfer function convolution method and head-related transfer function convolution device
A head-related transfer function (HRTF) convolution method arranged, when an audio signal is reproduced acoustically by an electro-acoustic conversion unit...
US-8,503,669 Integrated latency detection and echo cancellation
In an audio system having a microphone, a speaker coupled to a source of audio output, and an echo canceller coupled to the speaker and microphone, latency...
US-8,503,655 Methods and arrangements for group sound telecommunication
A method of audio scene management in a teleconference or other group sound telecommunication is presented, in which teleconference at least a first...
US-8,503,651 Teleconferencing configuration based on proximity information
Teleconferencing systems may adapt to changes associated with participating terminals by monitoring characteristics of the terminals and modifying audio streams...
US-8,503,596 Wireless clock regeneration and synchronization
A method and apparatus are described for regenerating a local clock within a wireless module and synchronizing the local clock with a wireless host clock. For...
US-8,503,535 Rounding noise shaping for integer transform based encoding and decoding
An integer-reversible MDCT transformation is split into consecutive lifting steps, each introducing considerable rounding errors to the signal. Without noise...
US-8,502,921 Digital broadcast receiver and digital broadcast reception method
The digital broadcast receiver according to the present invention includes: a signal separating section that separates a main audio signal and a video signal...
US-8,502,920 Method and apparatus for extracting a desired television signal from a wideband IF input
Various embodiments are described herein for a universal television receiver that is capable of processing television channel signals, that are transmitted...
US-8,502,918 Method and apparatus for interdependently controlling audio/video signals
A signal control method of analyzing audio and video signals and interdependently enhancing each audio and video signal with regard to a multimedia input...
US-8,502,866 Video recording device for a welder's helmet
A weld recording system mounted in or on a welding helmet is provided. The weld recording system includes a camera assembly unit, a power supply unit, a...
US-8,502,718 Analog-to-digital converter and analog-to-digital conversion method
The invention provides an analog-to-digital converter. In one embodiment, the analog-to-digital converter receives a first audio signal from a microphone...
US-8,502,717 Analog-to-digital converter, sound processing device, and method for analog-to-digital conversion
The invention provides a sound processing device. In one embodiment, the sound processing device comprises a first microphone, a first analog-to-digital...
US-8,502,714 Method for calibrating analog-to-digital converting circuits
A method for calibrating at least one analog-to-digital converting circuit includes: during a wafer level probe testing, inputting at least one calibration...
US-8,502,648 Remote-control device with directional audio system
A method of directing an audio signal to an intended user by a remote-control device coupled to an audio/video device is described. The remote-control device...
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