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Searching: audio signal





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Patent # Description
US-8,396,230 Speech enhancement device and method for the same
A speech enhancement device and a method for the same are included. The device includes a down-converter, a speech enhancement processor, and an up-converter....
US-8,396,225 Active noise control using bass management and a method for an automatic equalization of sound pressure levels
A method for an automatic equalization of sound pressure levels in at least one listening location, where the sound pressure is generated by a first and at...
US-8,396,223 Method and an apparatus for processing an audio signal
A method for processing an audio signal is disclosed. The present invention includes obtaining a stereophonic audio signal including a speech component signal...
US-8,396,206 Multi-channel communication device and methods for reducing echoes by inserting a training sequence under a...
Embodiments of a multi-channel audio communication device and methods for reducing echoes are generally described herein. Other embodiments may be described and...
US-8,396,196 Transfer of multiple microphone signals to an audio host device
An audio communications host device has a communications network interface, digitizing circuitry, and a headphone jack. A demultiplexer has an input coupled to...
US-8,395,712 Wireless receiving apparatus, wireless communication system, and method of supporting antenna installation
A television (10) includes: a WiHD-RX (11) which receives signals transmitted from a camcorder (20) and a BD system (30); an orientation detection unit (102)...
US-8,395,040 Methods and systems to process input of stringed instruments
An embodiment of the present invention is directed to a method and system for electronic sensing of string instrument input. The method includes receiving a...
US-8,393,341 Audio system for outdoor umbrella
An outdoor umbrella includes an umbrella frame and an audio system. The umbrella includes a supporting frame and an awning frame supported by the supporting...
US-8,392,939 Audience state estimation system, audience state estimation method, and audience state estimation program
A system for estimating audience state using the video signal relative to an imaged audience and audio signal according to voices from the audience generated in...
US-8,392,414 Hybrid audio-visual categorization system and method
Meta-data (tags) for an audiovisual file can be generated by producing an initial estimate of the tags and then revising the estimate (notably to expand it...
US-8,392,200 Low complexity spectral band replication (SBR) filterbanks
A complex analysis filterbank is implemented by obtaining an input audio signal as a plurality of N time-domain input samples. Pair-wise additions and...
US-8,392,198 Split-band speech compression based on loudness estimation
A frame is received that has the wideband audio signal. The low band audio signal is encoded to generate an encoded low band signal. The high band signal is...
US-8,392,189 Speech recognition using speech characteristic probabilities
A speech recognition module includes an acoustic front-end module, a sound detection module, and a word detection module. The acoustic front-end module...
US-8,392,179 Multimode coding of speech-like and non-speech-like signals
The invention relates to the coding of audio signals that may include both speech-like and non-speech-like signal components. It describes methods and apparatus...
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...
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