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Searching: audio signal





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Patent # Description
US-8,229,127 Active noise cancellation in hearing devices
Disclosed is a hearing device system comprising at least one hearing aid circuitry and at least one active noise cancellation unit, the at least one hearing aid...
US-8,229,125 Adjusting dynamic range of an audio system
An audio reproduction system substantially fits the dynamic range of recorded and broadcast music (or other type of audio content) into a desired output dynamic...
US-8,229,105 Purposeful degradation of sidetone audio for providing feedback about transmit-path signal quality
An enhanced sidetone system is disclosed which provides the user of a telecommunications terminal, while speaking, with immediate audio feedback that...
US-8,229,104 Full duplex telephone system employing automatic level control for improved digital signal processing of audio...
Audio processing systems, such as full duplex digital telephone systems, are provided in which analog automatic level control (ALC) circuitry is employed to...
US-8,228,979 Wide-band multi-format audio/video production system with frame-rate conversion
A multi-format digital video production system enables a user to process an input video program to produce an output version of the program in a final format...
US-8,228,802 Signal transmission apparatus
A signal transmission apparatus is connected to a network as one node among a plurality of nodes involved in the network which is provided with an audio signal...
US-8,228,439 Receiving apparatus and television receiver
A television receiver having: an external input terminal to receive a non-RF signal from a first external device, the non-RF signal being a video and/or audio...
US-8,228,117 Quiet power up and power down of closed loop digital PWM modulators
A switching audio amplifier circuit drives a switching audio amplifier stage using a digital PWM signal from an audio source. A PWM duty ratio modifier modifies...
US-8,225,449 Interactive toothbrush
A toothbrush (100) may include an audio component (140) configured to operate as a microphone to receive an audio signal in a first mode of operation and to...
US-8,225,345 Method and apparatus for controlling an apparatus having a parental control function
A method for controlling an apparatus such as a television signal receiver having a parental control function allows users to change a setting associated with...
US-8,225,160 Decoding apparatus, decoding method, and recording medium
A decoding apparatus includes a unit decoding and inversely quantizing coded data to obtain frequency domain audio signal data, a unit computing from the coded...
US-8,224,661 Adapting masking thresholds for encoding audio data
According to one embodiment, an improved audio coding technique encodes audio having a low frequency transient signal, using a long block, but with a set of...
US-8,224,660 Method of coding a source audio signal, corresponding coding device, decoding method and device, signal,...
A method is provided for coding a source audio signal. The method includes the following steps: coding a quantization profile of coefficients representative of...
US-8,224,658 Method, medium, and apparatus encoding and/or decoding an audio signal
A method, medium, and apparatus encoding and/or decoding an audio signal. The method of encoding an audio signal includes transforming an input audio signal...
US-8,224,469 Systems and methods for controlling audio volume in the processor of a high definition audio codec
Systems and methods for controlling the audio volume of an audio signal in an HDA codec having a programmable processor such as a DSP, wherein the codec...
US-8,224,354 Identification of proximate mobile devices
A method of identifying proximate mobile devices, the method comprising the steps of: providing a sensory identifier (ID), a first mobile device (1) detecting...
US-8,224,286 Radio communication device
The invention relates to a method and arrangement for reducing power consumption of a radio communication device. In a solution according to the invention an...
US-8,224,283 FM band availability based on GPS
Methods and apparatus for determining an available FM frequency channel for interfacing with FM modulated output signals from a wireless device are described...
US-8,224,251 Data communication apparatus and control method for prevention of audio noise signals due to transmitted data
A data communication apparatus includes a band-elimination filter configured to perform a process of reducing a specific frequency component included in...
US-8,224,247 Controller integrated audio codec for advanced audio distribution profile audio streaming applications
A novel and useful apparatus for and method of integrating the advanced audio distribution profile (A2DP) audio codec into a Bluetooth controller for audio...
US-8,224,162 Information recording medium, and apparatus and method for recording information to information recording medium
An information recording medium achieves high speed conversion of a signal input externally from MPEG-TS to MPEG-PS complying with the DVD standard. An...
US-8,224,161 After-recording apparatus
An audio signal is compressively encoded into encoding-resultant audio data. A video signal is compressively encoded into encoding-resultant video data. An...
US-8,224,147 Interconnected multimedia systems with synchronized playback
One or more digital audio systems, such as a digital audio workstation, and one or more digital video systems, such as a video server, are interconnected by a...
US-8,224,022 Connected audio and other media objects
Various signal processing methods and apparatus are provided. One claim recites a method of linking media to a network resource. The method includes: computing,...
US-8,224,013 Headset systems and methods
A digital audio player device can be attached, adhered, or otherwise embedded into or upon a removable oral appliance or other oral device to form an intraoral...
US-8,224,009 Audio system with synthesized positive impedance
An audio system including an audio power amplifier, a transducer electrically connected to the audio power amplifier, an enclosure coupled to the transducer,...
US-8,223,991 Amplification circuit for driving a diffuser
An amplification circuit for driving an audio signal diffuser that includes a generation circuit of a first pre-charging signal, the generation circuit...
US-8,223,990 Audio noise attenuation
This specification describes technologies relating to editing digital audio data. In general, one aspect of the subject matter described in this specification...
US-8,223,986 Electronic device and external equipment with digital noise cancellation and digital audio path
Electronic devices and accessories are provided that may communicate over wired communications paths. The electronic devices may be portable electronic devices...
US-8,223,982 Audio path diagnostics
In accordance with one aspect of the present invention, a method for detecting a change in the performance of an audio signal processing path is disclosed. The...
US-8,223,981 Wide dynamic range microphone
A microphone system has an output and at least a first transducer with a first dynamic range, a second transducer with a second dynamic range different than the...
US-8,223,942 Conference endpoint requesting and receiving billing information from a conference bridge
Disclosed herein are methods, systems, and devices for improved audio, video, and data conferencing. The present invention provides a conferencing system...
US-8,223,881 Transmitter and receiver for a wireless audio transmission system
There is provided a transmitter for a wireless audio transmission system comprising at least one analog/digital converter unit for analog/digital conversion of...
US-8,223,798 Adaptive receiver
A receiver includes a sample rate converter configured to receive an input data stream having a variable data rate and to output a data stream having a fixed...
US-8,223,764 Digital broadcasting system and data processing method thereof
A digital broadcasting system and a data processing method thereof are provided. An apparatus for generating a transport stream includes a packet generator for...
US-8,223,210 Apparatus and method for transmission, apparatus and method for production, program, and recording medium
Transmit data composed by linking to main data representing an image and/or audio accessory information including frame rate information and frame...
US-8,222,887 Process for measuring peak values and power of an audio frequency signal
The process for measuring peak and power values of an audiofrequency signal S including digitization of the original signal, calibration of the digitized...
US-8,222,042 Interactive security screening system
An interactive security screening system includes a main housing, a contact or palm pad provided on the main housing and a sample sheet positioned upon the...
US-8,220,484 Monitoring systems and methods for sewer and other conduit systems
The present invention provides a monitoring system for a conduit network including one or more conduit sections joined at one or more conduit nodes, including:...
US-8,219,409 Audio wave field encoding
An encoder/decoder for multi-channel audio data, and in particular for audio reproduction through wave field synthesis. The encoder comprises a two-dimensional...
US-8,219,408 Audio signal decoder and method for producing a scaled reconstructed audio signal
During operation a multiple channel audio input signal is received and coded to generate a coded audio signal. A balance factor having balance factor components...
US-8,219,404 Method and apparatus for recognizing a speaker in lawful interception systems
A method and apparatus for identifying a speaker within a captured audio signal from a collection of known speakers. The method and apparatus receive or...
US-8,219,393 Error concealment method and apparatus for audio signal and decoding method and apparatus for audio signal...
An error concealment method and apparatus for an audio signal and a decoding method and apparatus for an audio signal using the error concealment method and...
US-8,219,391 Speech analyzing system with speech codebook
Presented herein are systems and methods for processing sound signals for use with electronic speech systems. Sound signals are temporally parsed into frames,...
US-8,219,390 Pitch-based frequency domain voice removal
A system and method are disclosed for modifying an audio signal. A pitch associated with the audio signal is detected. A portion of the audio signal that is...
US-8,219,384 Acoustic model adaptation using geographic information
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for enhancing speech recognition accuracy. In one aspect, a...
US-8,219,149 Mobile communication terminal
A mobile communication apparatus capable of presenting themes, a telecommunication system comprising a such apparatus, and a corresponding method are disclosed....
US-8,218,941 Method and system to transfer video from a video source to optical media
A method and system to control at least one audio/video recording system. A first embodiment is a method to control at least one audio/video recording system....
US-8,218,902 Portable electronic device position sensing circuit
An electronic device includes a position sensing circuit that receives a tone from an audio signal output, modifies the tone, and returns the modified tone to...
US-8,218,805 Wireless speaker system for use with ceiling fans
A multi-channel wireless speaker system to be used with ceiling fans wherein the audio source generator can be one of many medias, not limited by the following:...
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