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Searching: audio signal





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Patent # Description
US-8,737,630 Acoustical measuring/estimation device
A device to measure or to estimate the acoustical output of the loudspeaker of a earphone, earplug, headphone or ear muff, and to measure the ambient...
US-8,737,629 Audio signal processing system
An audio signal processing system includes: a receiving section which receives a plurality of audio signals, a process period specifying section which specifies...
US-8,737,627 Electronic device and decoding method of audio data thereof
A decoding method of audio data is applied to an electronic device. The method includes: calculating difference values of the left and right channel audio...
US-8,737,626 Audio signal decoding device and method of balance adjustment
Disclosed is an audio signal decoding device and a method of balance adjustment that reduces a fluctuation of a decoded signal orientation and maintains a...
US-8,737,575 Method and apparatus for transparently recording media communications between endpoint devices
A method and apparatus for enabling the upgrade of a VoIP endpoint device by downloading a firmware component to support CALEA related monitoring and recording...
US-8,737,571 Methods and apparatus providing call quality testing
A method, apparatus and computer readable medium for call quality testing is presented. A query is transmitted over a communications network from a first...
US-8,737,242 Systems and methods for providing multiple communication services over existing twisted pair access lines
Systems and methods are described for providing a plurality of communication services over existing access lines such as twisted pair access lines. These...
US-8,736,700 Techniques for synchronizing audio and video data in an image signal processing system
The present disclosure provides techniques for performing audio-video synchronization using an image signal processing system. In one embodiment, a time code...
US-8,736,663 Media detection and packet distribution in a multipoint conference
A method includes receiving a plurality of audio signals. Each of the plurality of audio signals includes audio packets, wherein one or more audio packets from...
US-8,736,657 Mobile terminal and method of processing call signal therein
A mobile terminal including a camera configured to capture video data, a wireless communication unit configured to receive a video communication call signal and...
US-8,736,472 Volume adjusting circuit and volume adjusting method
A volume adjusting circuit which converts a digital audio signal to an analog signal by a D/A converter and outputs the analog signal includes: a first gain...
US-8,736,456 Gas sensing method and instrument therefor
A method and instrument capable of producing an audible tick that increases with detected gas concentrations, is suitable for indicating relatively low levels...
US-8,732,783 Apparatus and method for providing additional information using extension subtitles file
Disclosed are an apparatus for providing additional information by using an extension subtitle file including an inverse multiplexing unit to separate video and...
US-8,732,781 Video/audio system and method enabling a user to select different views and sounds associated with an event
A video/audio system includes an interface device that receives a plurality of audio and video signals from a plurality of sources. The interface device...
US-8,731,950 Apparatus for providing one or more adjusted parameters for a provision of an upmix signal representation on...
An apparatus for providing one or more adjusted parameters for a provision of an upmix signal representation on the basis of a downmix signal representation and...
US-8,731,949 Method and system for audio encoding and decoding and method for estimating noise level
The present invention relates to a method and system for audio encoding and decoding and a method for estimating a noise level, and the method for estimating a...
US-8,731,948 Audio signal synthesizer for selectively performing different patching algorithms
An audio signal synthesizer generates a synthesis audio signal having a first frequency band and a second synthesized frequency band derived from the first...
US-8,731,946 Method and apparatus for generating or cutting or changing a frame based bit stream format file including at...
In frame-based bit stream formats the data required for decoding a current frame are usually stored within the data section for that frame. One exception is the...
US-8,731,915 Method and apparatus to remove noise from an input signal in a noisy environment, and method and apparatus to...
A method of removing noise includes detecting a frequency spectrum of a noise signal around the transmitting terminal, when an input signal which is a mixture...
US-8,731,913 Scaled window overlap add for mixed signals
A method for overlap-adding signals useful for performing frame loss concealment (FLC) in an audio decoder as well as in other applications. The method uses a...
US-8,731,911 Harmonicity-based single-channel speech quality estimation
Speech quality estimation technique embodiments are described which generally involve estimating the human speech quality of an audio frame in a single-channel...
US-8,731,910 Compensator and compensation method for audio frame loss in modified discrete cosine transform domain
The invention provides a compensation method for audio frame loss in a MDCT domain, the method comprising: when a frame currently lost is a P.sup.th frame,...
US-8,731,909 Spectral smoothing device, encoding device, decoding device, communication terminal device, base station...
Disclosed is a spectral smoothing device with a structure whereby smoothing is performed after a nonlinear conversion has been performed for a spectrum...
US-8,731,908 Method and apparatus for performing packet loss or frame erasure concealment
The invention concerns a method and apparatus for performing packet loss or Frame Erasure Concealment (FEC) for a speech coder that does not have a built-in or...
US-8,731,906 Systems and methods for gathering research data
Methods and systems are provided for gathering research data that includes information pertaining to audio signals received on a portable device, such as a cell...
US-8,731,764 Automotive scan tool with enhanced audio, video and voice recognition functionality
A diagnostic tool for a vehicle, includes a signal translator communicating with the vehicle in at least one protocol, an input unit for inputting information,...
US-8,731,604 Multi-mode IC with multiple processing cores
An integrated circuit (IC) includes a first processing module that converts inbound data into an inbound digital audio signal and converts an outbound digital...
US-8,731,525 Single button contact request and response
A system and a method are disclosed for sharing contact information between two mobile phones. A user of a first mobile phone can select contact information...
US-8,731,475 Method and system for determining environmental characteristics of a called communication device
A first communication device receives a communication from a second communication device. The communication could be part of the signaling used to establish a...
US-8,731,217 Method and apparatus for controlling audio signal output level of portable audio device
An audio signal output level control method used in an audio device includes detecting input levels of an audio signal, determining control modes to be applied...
US-8,731,215 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-8,731,210 Audio processing methods and apparatuses utilizing the same
An audio processing apparatus is provided. A microphone array includes microphone units. Amplifier modules each receives and amplifies an input signal from one...
US-8,731,207 Apparatus and method for computing control information for an echo suppression filter and apparatus and method...
An embodiment of an apparatus for computing control information for a suppression filter for filtering a second audio signal to suppress an echo based on a...
US-8,731,049 Image data transmitting apparatus, image data receiving apparatus, image data transmission system, image data...
A compression unit compresses image data. An marker insertion unit inserts a synchronization marker for each of the image data compressed by the image...
US-8,730,855 Method and device for detecting a channel
A method for detecting a channel in a mixed-mode communications system is presented. The channel contains a primary synchronization pattern in a predetermined...
US-8,730,852 Eliminating false audio associated with VoIP communications
Embodiments are directed to eliminating false audio using an egress gateway in a communications network. At least one false audio packet is received by an...
US-8,730,295 Audio processing for video conferencing
Methods, systems, and computer program products for enhancing transmitted audio signals for a video conference call are disclosed. Facial recognition technology...
US-8,730,009 Smart card and mobile communication device comprising the smart card
There provided an exemplary smart card. The exemplary smart card comprises a microphone for capturing an audio signal. The exemplary smart card also comprises...
US-8,727,991 Probabilistic segmental model for doppler ultrasound heart rate monitoring
A heart rate of a subject is determined using a probabilistic segmental model. Reflections of ultrasound signals from the subject, for instance, are down...
US-8,725,838 Content sharing
Content can be shared between devices by transmitting an encoded signal that indicates, to each capable device within range, instructions for accessing the...
US-8,725,832 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-8,725,829 Method and system for identifying sound signals
A method and system is described which allows users to identify (pre-recorded) sounds such as music, radio broadcast, commercials, and other audio signals in...
US-8,725,519 Audio encoding and decoding apparatus and method thereof
Provided are audio encoding and decoding apparatuses capable of recovering a high-quality audio signal at a low bit rate. The audio encoding method includes:...
US-8,725,506 Speech audio processing
A speech processing engine is provided that in some embodiments, employs Kalman filtering with a particular speaker's glottal information to clean up an audio...
US-8,725,503 Forward time-domain aliasing cancellation with application in weighted or original signal domain
The present invention relates to methods and devices for forward time-domain aliasing cancellation in a coded signal transmitted from a coder to a decoder....
US-8,725,501 Audio decoding device and compensation frame generation method
There is disclosed an audio decoding device capable of improving audio quality of a decoded signal by considering the energy change of a past signal in eracure...
US-8,725,280 Audio output device
Provided is an audio output device capable of preventing noises and improving the S/N ratio even if no audio signal is inputted in the middle of the input of...
US-8,725,279 Method and an apparatus for processing an audio signal
A method and apparatus for processing an audio signal is disclosed. Herein, the method includes receiving a downmix information having at least one independent...
US-8,725,278 Sound playing system
A sound playing system is disclosed. The sound playing system is used for playing sound from a portable media carrier and a personal computer, including a...
US-8,725,195 Broadcast reception mobile terminal
There is provided a broadcast reception mobile terminal capable of improving both electric power saving and user-friendliness. A CPU (209) detects that the lid...
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