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Searching: audio signal





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Patent # Description
US-8,392,176 Processing of excitation in audio coding and decoding
In an apparatus and method, time-varying signals are processed and encoded via a frequency domain linear prediction (FDLP) scheme to arrive at an all-pole...
US-8,392,148 Comparison of data signals using characteristic electronic thumbprints extracted therefrom
A characteristic thumbprint is extracted from a data signal, the thumbprint based on statistics relating to the data signal. The data signal can be compared...
US-8,392,106 Portable personal navigation device
A portable personal navigation device having at least one receiver for receiving radio waves and an output unit for outputting audio signals, where the receiver...
US-8,391,988 Methods and systems for presenting an audio signal to a cochlear implant patient
An exemplary signal processing unit includes a plurality of filters configured to divide an audio signal into a plurality of analysis channels, one or more...
US-8,391,933 Portable audio device having reduced sensitivity to RF interference and related methods
A portable audio device having reduced sensitivity to RF interference over a predetermined frequency range from an adjacent mobile wireless communications...
US-8,391,776 Echo light
A Projector mounted on a means of transport, henceforth vessel, displaying visual media on the surroundings of the vessel, and broadcasting a wireless audio...
US-8,391,545 Signal processing of audio and video data, including assessment of embedded data
The present invention relates generally to signal processing of media content, e.g., audio or video content. One form of signal processing derives identifying...
US-8,391,535 Active crossover for use with multi-driver headphones and in-ear monitors
A headset with a digital signal processor is provided. The headset is coupleable to at least one audio source using either a wired connection or a wireless...
US-8,391,523 Method and system for wireless hearing assistance
A method for providing hearing assistance to a user, comprising capturing audio signals by an internal microphone arrangement and supplying the captured audio...
US-8,391,522 Method and system for wireless hearing assistance
A method for providing hearing assistance to a user, comprising capturing audio signals by a microphone arrangement; measuring at least one mechanical...
US-8,391,521 Audio reproduction apparatus and method
In a system capable of outputting an audio signal as beams from an array speaker and performing multi-channel reproduction, a plurality of beam setting patterns...
US-8,391,511 Semiconductor device
A semiconductor device is disclosed. The semiconductor device includes a digital audio circuit which converts an input digital signal into an analog audio...
US-8,391,509 Audio-separating apparatus and operation method thereof
This present invention discloses an audio-separating apparatus and operation method thereof. The audio-separating apparatus applies both blind source separation...
US-8,391,508 Method for reproducing natural or modified spatial impression in multichannel listening
The invention concerns a method for reproducing spatial impression of existing spaces in multichannel or binaural listening. It consists of following...
US-8,391,504 Method and system for artificial reverberation employing dispersive delays
The present invention relates to audio signal processing, and more particularly to methods and apparatuses for emulating and controlling various features of...
US-8,391,502 Sound reproducing apparatus and audiovisual system
In an audiovisual system in which a source device and a television are connected via an AV amplifier, even when the AV amplifier is placed in a "Power Supply...
US-8,391,501 Method and apparatus for mixing priority and non-priority audio signals
An audio processor (202) receives a non-priority audio signal (302) and a priority audio signal (304). The priority audio signal occupies a frequency band...
US-8,391,500 Method and system for creating three-dimensional spatial audio
A system and method for rendering a virtual sound source using a plurality of speakers in an arbitrary arrangement includes expanding a wave field of the...
US-8,391,472 Acoustic echo cancellation solution for video conferencing
Echo cancellation for audio/video conferencing uses an inaudible tone added at an originating conference site to the transmitted voice signal, for echo...
US-8,391,467 Methods and systems for encoding and decoding audio signals
Methods and systems for encoding and decoding audio signals are described. In one embodiment, a first DTMF tone in an audio signal may be identified and...
US-8,391,373 Concealment of transmission error in a digital audio signal in a hierarchical decoding structure
A method is provided for concealing a transmission error in a digital signal chopped into a plurality of successive frames associated with different time...
US-8,391,126 Method and apparatus for providing echo cancellation in a network
A method and apparatus for providing echo cancellation are disclosed. For example, the method receives via an echo canceller a first audio signal directed...
US-8,388,250 Toothpaste dispensing toothbrush with mouthwash strip roll compartment
A toothbrush combined with a toothpaste dispenser with a wall mounted holder. The present invention comprises of a twist knob that is able to push a piston up a...
US-8,387,301 Deer attractant
A deer attractant including: an expandable visual indicator; and a cover adapted to slide over the visual indicator. The device is transitionable between a...
US-8,386,703 Control system for storage means
Means which allows the storage and subsequent retrieval of data on a storage means such as, for example, a storage means in the form of, and known as, a hard...
US-8,386,663 HDMI controller circuit for transmitting digital data to compatible audio device using address decoder where...
The present invention provides a high definition media interface (HDMI) controller having a modular design internal bus structure, and applications thereof. The...
US-8,386,271 Lossless and near lossless scalable audio codec
A scalable audio codec encodes an input audio signal as a base layer at a high compression ratio and one or more residual signals as an enhancement layer of a...
US-8,386,268 Apparatus and method for generating a synthesis audio signal using a patching control signal
An apparatus for generating a synthesis audio signal using a patching control signal has a first converter, a spectral domain patch generator, a high frequency...
US-8,386,258 Systems and methods for recognizing sound and music signals in high noise and distortion
A method for recognizing an audio sample locates an audio file that closely matches the audio sample from a database indexing a large set of original...
US-8,386,257 Emotion detecting method, emotion detecting apparatus, emotion detecting program that implements the same...
An audio feature is extracted from audio signal data for each analysis frame and stored in a storage part. Then, the audio feature is read from the storage...
US-8,386,250 Disambiguation of contact information using historical data
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for disambiguating contact information. A method includes...
US-8,386,247 System for processing an audio signal to enhance speech intelligibility
An adaptive audio system can be implemented in a communication device. The adaptive audio system can enhance voice in an audio signal received by the...
US-8,385,990 Mobile wireless communications device having improved RF immunity of audio transducers to electromagnetic...
A mobile wireless communications device includes a housing and circuit board carried by the housing and having radio frequency (RF) circuitry and a processor...
US-8,385,821 Underwater vehicle communications system
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data...
US-8,385,728 Apparatus and method for searching start position of broadcasting program
Provided are an apparatus and method for searching a start position of a broadcast program. According to an embodiment of the present invention, a received...
US-8,385,588 Recording audio metadata for stored images
A method of processing audio signals recorded during display of image data from a media file on a display device to produce semantic understanding data and...
US-8,385,570 Electret transducer with solar power and amplifier circuitry
The present invention provides an electret transducer with solar power. The provided electrets transducer includes a solar power supply device, an amplifier...
US-8,385,566 Decentralized audio mixing and recording
Briefly, in accordance with one or more embodiments, a decentralized mixer includes an audio input circuit to receive one or more local audio input signals, a...
US-8,385,565 Apparatus and method of operating an audio system
An audio system includes a level controller receiving an input audio signal from an audio medium. The level controller includes a gain adjust module producing...
US-8,385,563 Sound level control in responding to the estimated impedances indicating that the medium being an auditory...
A system and method for controlling a sound level of a mobile audio device are disclosed herein. In accordance with at least some embodiments, a system includes...
US-8,385,561 Digital power link audio distribution system and components thereof
An audio distribution system in one embodiment includes a master device, a powered speaker unit, and an expander device. The master device has an output port...
US-8,385,560 In-ear digital electronic noise cancelling and communication device
A noise canceling and communication system includes an in-ear device adapted to fit in the ear canal of a device user. A passive noise reduction element reduces...
US-8,385,325 Method of transmitting data in a communication system
A method of receiving at a terminal a first signal transmitted via a communication network, said method comprising the steps of; receiving at the terminal the...
US-8,384,827 System and method for in-band A/V timing measurement of serial digital video signals
A system and method for characterizing the relative offset in time between audio and video signals and enables the receiver of the audio and video signals to...
US-8,384,562 Advanced accessible pedestrian control system for the physically disabled
A mobile traffic controller to aid pedestrians includes a wireless transmitter and receiver that are configured to communicate with a traffic signal or a...
US-8,384,478 Versatile audio power amplifier
An audio power amplifier with a four-quadrant power supply having a synchronous output rectifier that includes a planar transformer. The amplifier includes a...
US-8,381,970 Banking system operated responsive to data read from data bearing records
A system includes automated banking machines that operate responsive to data read from data bearing records. Transactions can be carried out through...
US-8,380,887 Dual mode displayport (DP) and high defination multimedia interface (HDMI) transmitter configured to transmit...
A system and method for dual mode DP and HDMI transmission are provided. Briefly described, one embodiment of a dual mode DP and HDMI transmitter, among others,...
US-8,380,523 Method and an apparatus for processing an audio signal
The present invention includes receiving a plurality of frame data including first frame data and second frame data encoded by at least one coding schemes,...
US-8,380,498 Temporal envelope coding of energy attack signal by using attack point location
A method of transceiving an audio signal is disclosed. An input audio signal is provided. It is determined whether an energy attack signal exists within the...
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