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Searching: audio signal





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Patent # Description
US-8,019,273 Mobile communication terminal, channel information providing module, method of automatically accessing to DMB,...
A mobile communication terminal to automatically access to DMB includes a broadcast receiving unit that receives and demodulates a DMB signal, extracts and...
US-8,019,095 Loudness modification of multichannel audio signals
Scaling, by a desired amount s.sub.m, the overall perceived loudness L.sub.m of a multichannel audio signal, wherein perceived loudness is a nonlinear function...
US-8,019,094 Audio processing system with function of automatic gain control and method thereof
The present invention relates to an audio processing system with function of automatic gain control and method thereof. The method includes steps of: receiving...
US-8,019,089 Removal of noise, corresponding to user input devices from an audio signal
A noisy audio signal, with user input device noise, is received. Particular frames in the audio signal that are corrupted by user input device noise are...
US-8,019,076 Portable speakerphone device and subsystem utilizing false doubletalk detection
Disclosed herein are portable teleconferencing products that implement a doubletalk detector in a low frequency range or in a frequency range commensurate with...
US-8,019,050 Method and apparatus for providing feedback of vocal quality to a user
Embodiments of the invention relate to a feedback mechanism that informs a user of a communication device to adjust the volume, pitch, tone or other...
US-8,018,993 Relay device and signal decoding device
There is provided a relay device capable of simultaneously transmitting various additional information such as audio information, character information, and...
US-8,018,337 Emergency notification device and system
An audio warning monitoring device, system and method including an audio detector, one or more audio screens to determine if monitored sound is an alarm, a...
US-8,018,328 Adaptive audio content generation system
Methods and systems are provided which generate an alarm signal that alerts individuals who may be in the vicinity of a reversing vehicle and that alerts a...
US-8,018,280 Thermal regulation of a class-D audio amplifier
A class-D audio amplifier is protected by thermal regulation which decreases the gain of the class-D audio amplifier by asserting an over-temperature signal...
US-8,015,587 System for monitoring direct broadcast wireless signals
A system and method for monitoring direct broadcast satellite signals. In a most general embodiment, the invention (10) includes a mechanism (20) for receiving...
US-8,015,309 Packet prioritization and associated bandwidth and buffer management techniques for audio over IP
The present invention is directed to voice communication devices in which an audio stream is divided into a sequence of individual packets, each of which is...
US-8,015,263 System and method for creating and posting media lists for purposes of subsequent playback
A method and apparatus for creating and posting media is provided. For example, the invention allows a user to quickly create, signal process, encode, and...
US-8,015,123 Method and system for interacting with a user in an experiential environment
Methods and systems for providing lyric information for a song within an audio signal. This may be done, for example, to allow a user to sing along with a song...
US-8,015,018 Multichannel decorrelation in spatial audio coding
Each of N audio signals are filtered with a unique decorrelating filter (38) characteristic, the characteristic being a causal linear time-invariant...
US-8,015,017 Band based audio coding and decoding apparatuses, methods, and recording media for scalability
Audio coding and decoding apparatuses and methods which support fine granularity scalability (FGS) using harmonic information of a high-band audio signal or...
US-8,015,000 Classification-based frame loss concealment for audio signals
An audio decoding system performs frame loss concealment (FLC) when portions of a bit stream representing an audio signal are lost within the context of a...
US-8,014,882 Particular program detection device, method, and program
A particular program detection device detecting a particular program segment even in a program signal contaminated with noise by adaptively modifying a...
US-8,014,824 Article of manufacture integrated with music and telephonic communication devices
An article of manufacture, such as a jacket or backpack, integrates the services of an audio delivery device, such as an MP3 player, with the services of a...
US-8,014,562 Signal processing of audio and video data, including deriving identifying information
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-8,014,542 System and method of providing audio content
A system, set-top box, and method of providing audio content are disclosed. In a particular embodiment, the set-top box device includes an audio input device...
US-8,014,541 Method and system for audio filtering
A system and method for graphic equalization of audio signals is disclosed. Traditional graphic equalizers provide control over the gains in each of a set of...
US-8,014,539 Method and apparatus to control output power of a digital power amplifier optimized to a headphone and a...
A method and apparatus to control output power of a digital amplifier capable of automatically determining an impedance of an earphone or headphone connected to...
US-8,014,536 Audio source separation based on flexible pre-trained probabilistic source models
Improved audio source separation is provided by providing an audio dictionary for each source to be separated. Thus the invention can be regarded as providing...
US-8,014,535 Multichannel spectral vector mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel...
US-8,014,534 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
The present invention provides improvements to prior art audio codecs that generate a stereo-illusion through post-processing of a received mono signal. These...
US-8,014,479 Method and system for communicating sub-synchronization signals using a phase rotator
A system and method of communicating sub-synchronization information into a transmitted digital audio stream and extracting sub-synchronization information from...
US-8,014,400 Method for allocating data packet transmission among multiple links of a network, and network device and...
A method for intelligently distributing packets of a data stream to multiple links of a network for simultaneous transmission via the multiple links, and for...
US-8,013,940 Integrated station for recording and transmission of audio and video signals
An integrated station for recording and sending audio and video signals, apt to have remote access to telecommunication networks for carrying out information...
US-8,013,937 Apparatus for providing multiple screens and method of dynamically configuring multiple screens
An apparatus for providing multiple screens and a method of dynamically configuring multiple screens are provided. The apparatus for providing multiple screens...
US-8,013,803 Double sided video monitor
A double-sided video monitor has a pair of display panels mounted back-to-back. The panels are capable of displaying same or separate video signals at the same...
US-8,013,759 Towing monitor system
A transmitter unit has a housing adapted to be coupled in association with a trailing vehicle. The housing also has a multiple axis accelerometer adapted to...
US-8,011,572 Banking transaction machine that operates responsive to data bearing records
A cash dispensing banking transaction machine that operates responsive to data bearing records includes a card reader that reads identifying data from a user...
US-8,010,631 Method and system for providing image, video and audio data to remote users
A system and method of notifying a remote client of a sensor triggering event and providing data related to the sensor triggering event to the remote client....
US-8,010,374 Audio coding apparatus and audio decoding apparatus
An audio coding apparatus includes an audio coding unit 101 for, when it has received an audio signal input, performing coding to the audio signal input and...
US-8,010,372 Apparatus and method of encoding and decoding audio signal
In one embodiment, the method includes receiving an audio data frame having at least first and second channels. The first and second channels are synchronously...
US-8,010,371 Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec
Systems and methods are provided for ultra-low latency compression. In accordance with one implementation, a method is provided that includes formatting, by a...
US-8,010,363 Commercial detection apparatus and video playback apparatus
An aspect of the invention provides a commercial detection apparatus for detecting commercials that includes a silent detector configured to detect a silent...
US-8,010,354 Noise cancellation system, speech recognition system, and car navigation system
A noise cancellation system with improved performance for canceling from an input signal of a microphone a noise component relating to reproduced sound of an...
US-8,010,353 Audio switching device and audio switching method that vary a degree of change in mixing ratio of mixing...
There is disclosed a speech switching device capable of improving quality of a decoded signal. In the device, a weighted addition unit outputs a mixed signal of...
US-8,010,352 Method and apparatus for adaptively encoding and decoding high frequency band
Provided are a method and apparatus for encoding and decoding an audio signal. According to the present application, a signal of a high frequency band above a...
US-8,010,350 Decimated bisectional pitch refinement
A method and system for refining an estimated pitch period estimate based on a coarse pitch useful for performing frame loss concealment in an audio decoder as...
US-8,010,348 Adaptive encoding and decoding with forward linear prediction
An adaptive encoding method includes splitting an input signal into a low-frequency band signal and a high-frequency band signal; performing forward adaptive...
US-8,010,214 Digital audio processing
An audio processing unit for an integrated audio reproduction system comprising an audio data recovery device for recovering audio data from an audio data...
US-8,010,149 Multi-mode IC with multiple processing cores
An integrated circuit (IC) includes an RF section, a DSP, and a plurality of processors. The RF section and the DSP process an inbound RF signal to produce...
US-8,010,068 Transmission and receiver system operating on different frequency bands
A receiver contains a demodulator system that can extract digital data from wireless radio frequency signal. The digital data contains three sets of compressed...
US-8,009,848 Hearing device system, hearing device maintenance system, and method for maintaining a hearing device system
The hearing device system having at least one hearing device includes an input transducer for receiving incoming acoustical sound and converting the incoming...
US-8,009,844 Two way device free communications system
A two way communication system that does not require the use of a device by one of the communicators. The system employs an audio spotlight to project a signal...
US-8,009,838 Electrostatic loudspeaker array
A speaker system that includes an audio signal-receiving interface, a modulating circuit, a phase-control circuit, and a number of speaker units. The audio...
US-8,009,836 Audio frequency response processing system
The invention provides a method and system for forming an output impulse response function. The method includes the steps of creating an initial impulse...
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