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Searching: audio signal





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Patent # Description
US-RE40,960 Switched signal processing circuit
An expander circuit for decoding audio signals which were encoded in accordance with the BTSC multichannel sound system standard including DBX commanding is...
US-7,614,073 Digital headend and full service network for distribution video and audio programming
A digital headend architecture and full service network are provided to selectively demodulate and decode a variety of digital and analog feeds into baseband...
US-7,613,609 Apparatus and method for encoding a multi-channel signal and a program pertaining thereto
To encode multi-channel digital data by adjusting the number of bits allocated to each channel to perform entropy coding of the multi-channel data, there is...
US-7,613,607 Audio enhancement in coded domain
Method and apparatus for enhancing a coded audio signal comprising indices which represent audio signal parameters which comprise at least a first parameter...
US-7,613,605 Audio signal encoding apparatus and method
An audio signal encoding apparatus includes a frame dividing unit (1), an auditory psychological arithmetic unit (2), a filter bank unit (3), a scale factor...
US-7,613,603 Audio coding device with fast algorithm for determining quantization step sizes based on psycho-acoustic model
An efficient audio coding device that quantizes and encodes digital audio signals with a reduced amount of computation. A spatial transform unit subjects samples...
US-7,613,579 Generalized harmonicity indicator
The invention disclosed herein provides a method and apparatus for analyzing periodic signals so as to determine the degree of harmonicity in real time....
US-7,613,532 Systems and methods for improving the signal to noise ratio for audio input in a computing system
Systems and methods for improving the signal to noise ratio for audio input in a computing system are provided. Signal to noise ratio improvements are enabled...
US-7,613,530 Apparatus and program for setting signal processing parameter in an audio mixer
Scene data including a set of values of a plurality of signal processing parameters are stored in a memory. Adjusting values (offset values) of the parameters...
US-7,613,314 Mobile terminals including compensation for hearing impairment and methods and computer program products for...
A mobile terminal includes a processor that is programmed to provide a user of the mobile terminal with a hearing test and to determine a set of coefficients. A...
US-7,613,313 System and method for control of audio field based on position of user
A system and method for control of an audio field based on the position of the user. In one embodiment, a system and a method for audio reproduction are...
US-7,613,310 Audio input system
A method for reducing noise associated with an audio signal received through a microphone sensor array is provided. The method initiates with enhancing a target...
US-7,613,306 Audio encoder and audio decoder
An audio encoder, generating a stereo signal based on a multi-channel signal, includes a downmix unit for downmixing a multi-channel signal exceeding two...
US-7,613,078 Information recording medium, information recording and/or reproducing apparatus and method, and program...
An information recording medium is provided with: an object data file for storing object data which constitutes a series of content information, such as picture...
US-7,612,793 Spatially correlated audio in multipoint videoconferencing
The disclosed method provides audio location perception to an endpoint in a multipoint videoconference by providing a plurality of audio streams to the endpoint,...
US-7,612,608 Sigma-delta based Class D audio or servo amplifier with load noise shaping
An amplifier capable of driving an analog load is provided. The amplifier can be constructed and arranged to operate as at least one circuit selected from the...
US-7,612,276 Method and system for synthesizing electronic transparent audio
A method and system for synthesizing electronic watermarks is disclosed. The method includes generating electronic watermark sounds for music data by converting...
US-7,612,275 Method, apparatus and computer program product for providing rhythm information from an audio signal
An apparatus for providing a beat and tatum tracker includes an accent filter bank, a periodicity estimator, a period estimator and a phase estimator. The accent...
US-7,611,367 Multimedia cable
A multimedia cable includes a casing, a terminal pin, an audio signal unit, a video signal unit, and a control lever. The terminal pin is mounted to the casing...
US-7,610,205 High quality time-scaling and pitch-scaling of audio signals
In one alternative, an audio signal is analyzed using multiple psychoacoustic criteria to identify a region of the signal in which time scaling and/or pitch...
US-7,610,203 System for recording and playing audio signals provided on a photograph
A system for recoding and playing an audio signal provided on a photograph. The system includes a camera having a sensing system for sensing an image and...
US-7,610,199 Method and apparatus for obtaining complete speech signals for speech recognition applications
The present invention relates to a method and apparatus for obtaining complete speech signals for speech recognition applications. In one embodiment, the method...
US-7,610,196 Periodic signal enhancement system
A signal enhancement system improves the understandability of speech or other audio signals. The system reinforces selected parts of the signal, may attenuate...
US-7,610,013 Wireless audio for entertainment systems
A set top box comprises a signal receiver that includes a front end that receives broadband signals, and a tuner that tunes a channel including audio and video...
US-7,610,012 Radio vision electronic network/analog output/viewing system
A system for AM broadcasting, and listing to audio, as well as, viewing slow scan pictures, by using an ordinary AM receiver and a slow scan video converter. The...
US-7,609,835 Digital media cartridge system and method
A digital media cartridge contains both a controller and memory where the memory stores a digital representation of video and sound in compressed, encrypted...
US-7,609,828 Telephone terminal, call system and terminal control program
A telephone terminal capable of keeping a line to the other party's telephone terminal connected through a telephone line network in a connected state even after...
US-7,609,173 Audio-visual point-of-sale presentation system and method directed toward vehicle occupant
An audio-visual presentation system delivering a presentation to a vehicle passenger compartment is provided that includes a video display mounted external to a...
US-7,607,077 Mobile communication terminal and operating method thereof
The present invention relates to a mobile communication terminal and operating method thereof in which data sync error occurring when multimedia data is played...
US-7,607,017 Embedding data in material
A method of transferring information signals representing still images, video audio and/or other data comprises sending, the information signals to a recipient...
US-7,606,872 System and method for integrated, multiple-remote controlled computer media server
A system and method providing a media server system are disclosed. A software module for storage on a computer and operable by the computer is provided to...
US-7,606,711 Audio signal processing device, signal recovering device, audio signal processing method and signal recovering...
The pitch extracting part generates a pitch waveform signal in a manner making the time interval of the pitch of the input audio sound data to be the same. After...
US-7,606,543 Signal quality indicator apparatus and method particularly useful for mobile telephones
The quality of radio frequency signals received at a mobile phone or cellphone is sampled. The results are employed to produce a human discernible indication...
US-7,606,382 BTE/CIC auditory device and modular connector system therefor
An earpiece auditory device is described which includes a behind-the-ear component shaped to fit behind the ear of a user. The behind-the-ear component can also...
US-7,606,380 Method and system for sound beam-forming using internal device speakers in conjunction with external speakers
A method and system for sound beam-forming using internal device speakers in conjunction with external speakers provides a low cost alternative to present...
US-7,606,379 Omni-directional speaker lamp
A speaker, having a diaphragm with a central opening and further having a pole piece, including a first sound dispersion element extending from the pole piece...
US-7,606,376 Automotive audio controller with vibration sensor
An automotive audio controller is provided for receiving an audio signal from an audio source and providing a filtered audio signal that may help compensate for...
US-7,606,183 Devices, softwares and methods with improved performance of acoustic echo canceller in VoIP communication
Devices, softwares and methods send a warning signal when a periodic signal is present in the audio content of a VoIP connection. In response to the warning...
US-7,606,174 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-7,606,144 Ring-connected surveillance system with real-time backup monitoring
A real-time ring-loop surveillance network system is provided. By using digital communication network, multiple channels of media data and control data are...
US-7,605,873 LCD TV capable of being used as a music station only
An LCD TV capable of being used as a music station only, which can turn off the internal video decoder and the internal backlight power when the LCD TV only...
US-7,605,843 Monitoring apparatus
A monitoring method for monitoring a video/audio signal transmitted from a transmission source to a transmission destination has a step of storing the...
US-7,605,841 Information processing system and method, information processing apparatus, image-capturing device and method,...
A feature extracting unit obtains sensor data from a plurality of sensors to calculate each feature. When an event determining unit determines the occurrence of...
US-7,605,742 Foldable remote controller
A foldable remote controller is provided to remotely control a multimedia network device, transmit signals to the multimedia network device, and transmit or...
US-7,605,653 Sigma-delta based class D audio power amplifier with high power efficiency
An amplifier capable of driving an analog load is provided. The amplifier comprises a sigma delta modulator (SDM), a pulse processing circuit, an output stage,...
US-7,605,323 Ensemble system, audio playback apparatus and volume controller for the ensemble system
An audio playback apparatus, an automatic player musical instrument and a voltage controller form an ensemble system for producing music tunes in ensemble...
US-7,605,320 Method for synchronizing at least one multimedia peripheral of a portable communication device, and...
A method for synchronizing at least one multimedia peripheral of a portable communication device with a synthetic audio file (1), which method comprises a step...
US-7,603,559 Real-time signature embedding in video
A method and system for embedding an authentication signature in an audio-visual signal such that only a part of an entire frame of the audio-visual signal is...
US-7,603,505 Interactive electronic device with digital and analog data links
An interactive electronic device having a master integrated circuit, an analog audio output device and a bus having a single-conductor digital data link and a...
US-7,603,270 Method of prioritizing transmission of spectral components of audio signals
A method for the transmission of audio signals between a transmitter and at least one receiver operates according to the prioritizing pixel transmission method....
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