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Searching: audio signal
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| Patent # | Description |
|---|---|
| US-8,433,430 |
Cellular wireless telephone and audio codec therefor The present invention provides an audio codec for converting digital audio signals to analogue audio signals, the audio codec comprising: two digital audio bus... |
| US-8,433,243 |
Wireless earphone for use in bluetooth piconets An audio device includes a Bluetooth receiver, a Bluetooth transmitter, a speaker and a housing. The Bluetooth receiver is capable of wirelessly receiving... |
| US-8,433,085 |
Video and audio output system An acoustic signal output control section extracts, from an acoustic signal, a low-frequency-component acoustic signal and a high-frequency-component acoustic... |
| US-8,433,080 |
Bone conduction hearing device with open-ear microphone Systems and methods for transmitting an audio signal through a bone of a user includes receiving an audio signal from a first microphone positioned at an... |
| US-8,433,079 |
Modified limiter for providing consistent loudness across one or more
input tracks A modified limiter of the present invention produces a consistent loudness level across one or more input tracks. The modified limiter has a target threshold,... |
| US-8,433,078 |
High perceived audio quality class D amplifier An audio amplifier and a method of operating such an amplifier are disclosed. The audio amplifier includes a switch disabling controller and/or an output... |
| US-8,433,076 |
Electronic apparatus for generating beamformed audio signals with
steerable nulls An electronic apparatus is provided having a front side and a rear side oriented in opposite directions along a first axis, and a right-side and a left-side... |
| US-8,433,075 |
Audio system based on at least second-order eigenbeams A microphone array-based audio system that supports representations of auditory scenes using second-order (or higher) harmonic expansions based on the audio... |
| US-8,433,061 |
Reducing echo Far-end audio signal data generated by a far-end device during voice cross-talk between the far-end device and a near-end device is received via a network.... |
| US-8,433,060 |
Method and system for stereo echo cancellation for VoIP communication
systems An exemplary embodiment of the present invention is directed toward a method and system for cancelling line echo in the presence of a known secondary audio... |
| US-8,432,687 |
Answer bracelet An answer bracelet with a circular bracelet band suitable for wearing an a person's wrist. A hollowed out area in the top of the bracelet band houses a digital... |
| US-8,432,323 |
Antenna integrated with a portable communication device A radio is presented in which a short-range antenna, along with a speaker, is contained within a non-conductive speaker bracket. The antenna is a PIFA that is... |
| US-8,432,148 |
Apparatus and method for a smooth powerup of a reference signal A circuit for providing a reference voltage can be widely used in audio applications. However, at startup an abrupt start in the reference signal can cause... |
| US-8,431,957 |
Audio dosage control A method for controlling consumer exposure to audio dosage for a composite audio signal, the method comprising: sampling the composite audio signal;... |
| US-8,431,810 |
Tempo detection device, tempo detection method and program A tempo detection device includes: a basic feature amount extracting section which extracts a plurality of types of basic feature amounts from an input audio... |
| US-RE44,185 |
Radio communication apparatus and radio communication method, radio
communication system, recording medium, and... The present invention relates to a radio communication apparatus and a radio communications method, a radio communication system, a recording medium, and a... |
| US-8,429,694 |
Mobile video system A mobile video system includes a first video source, a second video source, a first video monitor, a second video monitor, an audio signal receiver, and a... |
| US-8,429,687 |
System and method for an active video electronic programming guide Techniques for transmission and preparation for display of real-time audio-visual content of a plurality of TV programs over electronic communications network... |
| US-8,429,440 |
Flat panel display driver method and system Methods and systems are described for enabling display system data transmission during use. An integrated circuit package includes input interface circuitry... |
| US-8,429,299 |
Distributed audio and video processing A method of distributing audio and video processing tasks among devices interconnected to a display device via a local network is disclosed. In one embodiment,... |
| US-8,428,959 |
Audio packet loss concealment by transform interpolation In audio processing for an audio or video conference, a terminal receives audio packets having transform coefficients for reconstructing an audio signal that... |
| US-8,428,958 |
Apparatus and method of encoding and decoding signals A method of encoding an audio signal, where signals including two or more channel signals are downmixed to a mono signal, the mono signal is divided into a... |
| US-8,428,957 |
Spectral noise shaping in audio coding based on spectral dynamics in
frequency sub-bands A technique of spectral noise shaping in an audio coding system is disclosed. Frequency decomposition of an input audio signal is performed to obtain multiple... |
| US-8,428,956 |
Audio encoding device and audio encoding method There is provided an audio encoding device capable of effectively encoding a stereo audio even when a correlation between channels of the stereo audio is small.... |
| US-8,428,953 |
Audio decoding device, audio decoding method, program, and integrated
circuit An audio decoding device of the present invention includes: a decoding unit decoding a stream to a spectrum coefficient, and outputting stream information when... |
| US-8,428,949 |
Apparatus and method for classification and segmentation of audio content,
based on the audio signal An apparatus for classifying an input audio signal into audio contents of a first and second class, comprising an audio segmentation module adapted to segment... |
| US-8,428,946 |
System and method for multi-channel multi-feature speech/noise
classification for noise suppression An architecture and framework for speech/noise classification of an audio signal using multiple features with multiple input channels (e.g., microphones) are... |
| US-8,428,942 |
Method and apparatus for re-encoding signals At the time of encoding audio content, the finally required data rate for delivery to the customer may be unknown. A data format is disclosed that is optimized... |
| US-8,428,941 |
Method and apparatus for lossless encoding of a source signal using a
lossy encoded data stream and a lossless... In lossy based lossless coding a PCM audio signal passes through a lossy encoder to a lossy decoder. The lossy encoder provides a lossy bit stream. The... |
| US-8,428,940 |
Metadata-based weighting of geotagged environmental audio for enhanced
speech recognition accuracy Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for enhancing speech recognition accuracy. In one aspect, a... |
| US-8,428,936 |
Decoder for audio signal including generic audio and speech frames A method for decoding audio frames includes producing a first frame of coded audio samples, producing at least a portion of a second frame of coded audio... |
| US-8,428,743 |
Equal loudness contour with channel specific map laws A method is described for generating electrode stimulation signals for an implanted electrode array. An acoustic audio signal is processed to generate band pass... |
| US-8,428,661 |
Speech intelligibility in telephones with multiple microphones The present invention is directed to improved speech intelligibility in telephones with multiple microphones. Such a telephone includes a first microphone, a... |
| US-8,428,427 |
Television program transmission, storage and recovery with audio and video
synchronization An apparatus and methods are described for receiving, storing, and recovering from storage one or more television program while maintaining proper audio to... |
| US-8,428,292 |
Vehicle audio system having portable powered speaker for connecting a
portable entertainment device A vehicle audio system includes an interior trim panel having an opening with a speaker module removably secured therein and having a speaker electrically... |
| US-8,428,278 |
Improvements to systems for acoustic diffusion Described is a unit for amplifying and processing audio signals for driving an electro-acoustic transducer (D), comprising: an input for audio signals; a... |
| US-8,428,277 |
Clipping protection in fixed-width audio mixing A mixing system provides both clipping protection and signal level conservation while the system operates in the original width type. The mixing system includes... |
| US-8,428,273 |
Wireless digital transmission system for loudspeakers This invention relates to a wireless digital transmission system for loudspeakers comprising: compression means for the file representing the digital audio... |
| US-8,428,271 |
Balanced distortion for musical instrument A device is disclosed to provide balanced distortion in a musical instrument and to emulate the sound of a tube amplifier when overdriven. The device distorts,... |
| US-8,428,270 |
Audio gain control using specific-loudness-based auditory event detection In one disclosed aspect, dynamic gain modifications are applied to an audio signal at least partly in response to auditory events. In another aspect, an input... |
| US-8,428,268 |
Array speaker apparatus An array speaker apparatus includes an array speaker in which plural speaker units are arranged in a single body, a sound source localization adding unit which... |
| US-8,428,267 |
Method and an apparatus for decoding an audio signal A method for processing an audio signal, comprising: receiving a downmix signal, a first multi-channel information, and an object information; processing the... |
| US-8,428,247 |
Echo mitigation in a conference call In an example embodiment, an example method is provided for echo mitigation in a conference call. In this method, a test audio signal is transmitted to a... |
| US-8,428,236 |
Conference audio system, process for distributing audio signals and
computer program Conference audio systems are widely known and are usually used in political or economic debates, at fairs and wherever a plurality of people discuss with each... |
| US-8,428,160 |
Multi-carrier digital mobile multimedia broadcast system and the digital
information transmission method thereof The present invention discloses a multi-carrier digital multimedia broadcast system and the digital information transmission method thereof. After RS encoding... |
| US-8,428,148 |
System and method for controlling bit rate of video signal and audio
signal A video and audio bit rate control system which controls a bit rate of a video signal and an audio signal input from a plurality of information sources is... |
| US-8,428,051 |
Switchboard for multiple data rate communication system A switchboard device and methods of operation of same are disclosed. Embodiments of the invention may provide a flexible means of interconnecting wideband and... |
| US-8,427,584 |
Output device An output device to output an image and/or a sound based on a signal input from one of a plurality of external devices connected to the output device, the... |
| US-8,427,340 |
Multi-mode safety system for spotter-assisted vehicle maneuvering Apparatus and associated methods involve a handheld illuminated module to communicate safety information from a spotter to a driver during a vehicle maneuver.... |
| US-8,426,719 |
Keytar controller with percussion pads and accelerometer A keytar is disclosed. The keytar has a keyboard body having a front face, left side, right side and rear face. A piano-style keyboard with a number of keys is... |
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