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Searching: audio signal





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Patent # Description
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...
US-8,502,061 Electrical stringed instrument and signal processing circuit therefor
A signal processing circuit allows a stringed instrument, like a guitar, to produce audio in an extended range. In the case of an electric guitar, the guitar...
US-8,502,058 System and method for controlling audio equipment
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-8,499,253 Individualized tab audio controls
According to one general aspect, a method may include detecting an audio signal configured to be played from a local loudspeaker. The method may also include...
US-8,498,874 Audio signal encoding employing interchannel and temporal redundancy reduction
A method of encoding a time-domain audio signal is presented. A device transforms the time-domain signal into a frequency-domain signal including a sequence of...
US-8,498,863 Method and apparatus for audio source separation
The present invention relates to co-channel audio source separation. In one embodiment a first frequency-related representation of plural regions of the...
US-8,498,724 Digital mixer
In a digital mixer that processes audio signals in a plurality of channels, layer data which indicates a channel to be assigned to each channel strip in a...
US-8,498,714 Methods and systems of conveying fine structure information to a cochlear implant patient
An exemplary method of conveying fine structure information to a cochlear implant patient includes dividing an audio signal into a plurality of analysis...
US-8,498,678 System and method for reducing power consumption in a wireless device
A wireless transceiver is provided for transmitting and receiving audio data, comprising: a microphone configured to generate a digital audio signal that...
US-8,498,667 System and method for mixing audio with ringtone data
A method and system for played a mixed audio in a communications device during an active communication session is disclosed. One configuration allows for...
US-8,498,568 System and method for providing recording and playback of digital media content
A system and method for time-shifting a live broadcast, and facilitating the purchase of live or time-shifted broadcast content. The device records broadcast...
US-8,498,513 Method of controlling devices and tuner device
A control method for recording audio/video data streams in a display device of a wireless network comprises transmitting a Give Tuner Device Status message to a...
US-8,498,439 Headset for user specific audio service and method for user specific audio service using the same
Provided are a headset for a user specific audio service and a method for a user specific audio service using the same. The headset for a user specific audio...
US-8,498,430 Automatic correction of loudness level in audio signals
Systems and method for adapting a gain of an audio signal containing at least two different tracks with different signal level ranges. An example system...
US-8,498,429 Acoustic correction apparatus, audio output apparatus, and acoustic correction method
According to one embodiment, an acoustic correction apparatus includes an input module, a calculator, a divider, a converter, an extractor, a synthesizer, and a...
US-8,498,425 Wearable headset with self-contained vocal feedback and vocal command
A headset includes a wearable body, first and second earphones extending from the wearable body, controls for controlling an external communication/multimedia...
US-8,498,423 Device for and a method of processing audio signals
A method is provided which is suitable to cope with non-linear echo paths during acoustic echo cancellation in speakerphones. Non-linear paths occur...
US-8,498,422 Parametric multi-channel audio representation
Multi-channel audio signals are coded into a monaural audio signal and information allowing to recover the multi-channel audio signal from the monaural audio...
US-8,498,421 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-8,497,940 High density wireless system
A method and apparatus for communicating within a wireless microphone system having a plurality of audio channels. The method includes the steps of dividing a...
US-8,497,866 Wireless graphics card
A device is provided for use in a portable computer. The device includes a wireless graphics card that includes a connector for coupling to an expansion slot of...
US-8,497,734 High efficiency audio amplifier system
A high efficiency amplifier system may include multiple output stages cooperatively operating to produce an amplified output signal. The amplifier system may be...
US-8,496,604 Systems for and methods of assessing urinary flow rate via sound analysis
Systems for and methods of assessing urinary flow rate via sound analysis. Embodiments of the uroflow measurement systems include a computer and a telephone or...
US-8,496,177 Bar code reading terminal with video capturing mode
A bar code reading terminal can, in one embodiment, include a two-dimensional image sensor and an imaging assembly. The terminal can be configured, in response...
US-8,494,865 Audio decoder, audio encoder, method for decoding an audio signal, method for encoding an audio signal,...
An audio decoder for providing a decoded audio information on the basis of an entropy encoded audio information includes a context-based entropy decoder...
US-8,494,864 Multi-mode scheme for improved coding of audio
The present invention relates to an improved scheme for coding of audio. In particular, the present invention relates to an encoder device and a method for...
US-8,494,863 Audio encoder and decoder with long term prediction
The present invention teaches a new audio coding system that can code both general audio and speech signals well at low bit rates. A proposed audio coding...
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