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Searching: audio signal





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Patent # Description
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:...
US-8,218,802 Hearing aid having an occlusion reduction unit and method for occlusion reduction
A method is described for reduction of occlusion effects in an acoustic appliance which closes an auditory channel, wherein an audio signal in the transmission...
US-8,218,799 Non-occluding audio headset positioned in the ear canal
A compact audio speaker assembly that fits into the ear canal without occluding the ear canal, thus allowing ambient sounds to be heard along with the audio...
US-8,218,793 Apparatus and muting circuit
An apparatus and a muting circuit. The apparatus comprises an amplifier, a mute circuit, a pull-down circuit, and a power detection circuit. The amplifier...
US-8,218,792 Autonomous mixer for devices capable of storing and playing audio signals
An apparatus and method for autonomously mixing multiple devices capable of storing and playing audio signals is provided. Multiple devices can be mixed into...
US-8,218,791 Volume control feature for use with a multimedia device
A disclosed set top box or other type of multimedia handling device (MHD) is configured to support a toggle volume feature that enables the end user to toggle...
US-8,218,780 Methods and systems for blind dereverberation
Various embodiments of the present invention are directed to methods for dereverberation of audio generated in a room. In one aspect, a method for ...
US-8,218,776 Surge protection circuit for audio output device
A surge protection circuit acquires a surge signal from a left channel (LC) signal line and a right channel (RC) signal line. After the surge signal being...
US-8,218,775 Joint enhancement of multi-channel audio
An overall encoding procedure and associated decoding procedure are presented. The encoding procedure involves at least two signal encoding processes operating...
US-8,218,757 Echo canceler
An echo canceller, in which an adder adds a pseudo echo generated by an adaptive filter to an echo, so that the echo and the pseudo echo are canceled to each...
US-8,218,756 User-controllable equalization for telephony
A system, method and apparatus is described that permits a user to configure or select the manner in which an audio signal transmitted or received over a...
US-8,218,738 Facilities management system
A technique is disclosed that enables the managing of environmental conditions within an enterprise workplace and, in doing so, provides an improvement in...
US-8,218,583 Method and apparatus for generating information signal to be recorded
A compressively-encoding-resultant video signal resulting from compressively encoding a video signal, a first compressively-encoding-resultant audio signal...
US-8,218,582 Method and apparatus for generating information signal to be recorded
A compressively-encoding-resultant video signal resulting from compressively encoding a video signal, a first compressively-encoding-resultant audio signal...
US-8,218,581 Method and apparatus for generating information signal to be recorded
A compressively-encoding-resultant video signal resulting from compressively encoding a video signal, a first compressively-encoding-resultant audio signal...
US-8,218,397 Audio source proximity estimation using sensor array for noise reduction
Estimating the proximity of an audio source is accomplished by transforming audio signals from a plurality of sensors to frequency domain. The amplitudes of the...
US-8,217,894 DTV capable of receiving signal from 3D pointing device, and method of executing function and adjusting audio...
A system and method for controlling a digital TV, the system including the DTV; and a 3D pointing device. The DTV includes a receiver to receive control signals...
US-8,217,790 Portable motion detector and alarm system and method
A portable security alarm system including a movement detecting and signal transmitting member for mounting on or proximate to the object whose movement is to...
US-8,217,789 Portable motion detector and alarm system and method
A portable security alarm system including a movement detecting and signal transmitting member for mounting on or proximate to the object whose movement is to...
US-8,217,252 System and method for controlling play of digital 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-8,214,858 Audio and/or video generation apparatus and method of generating audio and/or video signals
An audio and/or video generation apparatus comprises a recording processor which is operable to record audio and/or video signals on a recording medium, a meta...
US-8,214,645 Systems, devices, and methods for securely transmitting a security parameter to a computing device
Embodiments of the systems, devices, and methods described herein generally facilitate the secure transmittal of security parameters. In accordance with at...
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