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Class 386/114 - Noise reduction


Subclass of Class 386 - Television signal processing for dynamic recording or reproducing
Definition: Subject matter wherein the introduced error includes an
No. of patents: 133
Last issue date: 06/24/2008


1        
NumberTitleIssue Date
7391961Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus
An audio signal processing method for repairing an anomalous state such as noise, a discontinuity, and a break of sound, comprising detecting the anomalous state of an audio signal, deleting the audio signal in the anomalous segment, deducing the correct audio signa...
06/24/2008
7373077Audio signal processing method, audio signal processing apparatus, HI-FI video apparatus, digital video apparatus and 8 MM video apparatus
An audio signal processing method for repairing an anomalous state such as noise, a discontinuity, and a break of sound, comprising detecting the anomalous state of an audio signal, deleting the audio signal in the anomalous segment, deducing the correct audio signa...
05/13/2008
7373078Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus
An audio signal processing method for repairing an anomalous state such as noise, a discontinuity, and a break of sound, comprising detecting the anomalous state of an audio signal, deleting the audio signal in the anomalous segment, deducing the correct audio signa...
05/13/2008
7327382System and method for processing electronically captured images to emulate film tonescale and color
A method for converting a sequence of electronically captured images into a sequence of modified images for providing the appearance of images captured by a film reproduction system. The film reproduction system being includes motion picture negative film printed on...
02/05/2008
7295764Data-file storage, particularly for MPEG format files
A method of storing a data file, particularly in the MPEG format and including a flow of different frames, comprises a protection system for the data file based on a parameter stored in the data file. Advantageously, the storage method comprises selectively protecti...
11/13/2007
7283162Utilization of color transformation effects in photographs
A camera and method for the creation of texturing effects in output images. The camera includes a sensor for sensing an image and a texture mapper for adding texturing effects to the sensed image to produce a textured image. The camera also includes a display for di...
10/16/2007
7280160Apparatus for and method of adaptively processing video signals based on a noise state
An apparatus for and a method of adaptively processing video signals based on noise states. The method includes, a memory device that stores a look-up table in which optimal filter tap coefficients corresponding to a number of noise levels are registered; a noise me...
10/09/2007
7274732Echo cancellation in communication systems with asymmetric data rates
A communication device (e.g., a modem) is disclosed as including logic that processes a transmit signal before providing a signal to an echo canceler. The processing may include low pass filtering and decimation of the transmit signal. The low pass filter's cut-off ...
09/25/2007
7257238System, apparatus, and method for image scanning quality adjustment
An apparatus, system and process for automatically adjusting the quality of a scanned image includes a conversion module configured to produce a processed image matrix by modifying each value in a scanned image matrix using a table of values assigned to each element...
08/14/2007
7248789Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus
An audio signal processing method for repairing an anomalous state such as noise, a discontinuity, and a break of sound, comprising detecting the anomalous state of an audio signal, deleting the audio signal in the anomalous segment, deducing the correct audio signa...
07/24/2007
7242855Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus
An audio signal processing method for repairing an anomalous state such as noise, a discontinuity, and a break of sound, comprising detecting the anomalous state of an audio signal, deleting the audio signal in the anomalous segment, deducing the correct audio signa...
07/10/2007
7234097Methods of supporting host CRC in data storage systems without RLL coding
A communications channel that receives a user data sequence including N symbols and that supports host CRC includes a host bus interface (HBI) that generates cyclic redundancy check (CRCU) bits based on the user data sequence. A data dependent scrambler (...
06/19/2007
7227541Image display apparatus and method of determining characteristic of conversion circuitry of an image display apparatus
An image display apparatus has an image display including scanning lines, modulation lines and display devices driven through the scanning lines and modulation lines, a scanning circuit for supplying a scanning signal to the scanning line, a modulating circuit for s...
06/05/2007
7181123Video security system
The invention provides a video security system for monitoring a plurality of locations simultaneously. In one embodiment, the system includes a text insertion means connected between a video camera and monitor, a control means connected to the text insertion means, ...
02/20/2007
7177968Data transmission system
In a data transmission system for carrying out data transmission/reception between a primary board and secondary boards by using a data transmission path, which employs a same signal line as an address bus and a data bus mutually, there are provided steps of informi...
02/13/2007
7110660Video apparatus process for a video apparatus and video recorder
A video apparatus comprises a correction circuit for delaying a luminance stream in a digital stream. The correction circuit has a demultiplexer, a line buffer and a multiplexer to achieve this. This construction enables compensation of the luminance 2H-delay of con...
09/19/2006
7082258Interleaving method for short burst error correction in high density digital versatile disk
Provided is a method for formatting and interleaving error correction blocks adaptively for improving a capability of correcting short burst errors in a high density DVD. The interleaving method includes the steps of merging a plurality of error code correction (ECC...
07/25/2006
7082218Color correction of images
A raw image consists of a plurality of pixels in a plurality of color planes giving a color image. The raw image is split into at least a low frequency image and a high frequency image. At least the low frequency image is color corrected to produce a color corrected...
07/25/2006
7068325Video signal processor and video signal processing method
The present invention relates to a video signal processing device for avoiding a phenomenon that noise is upwardly or downwardly shifted due to noise reducing operation when a non-standard signal is input. When a non-standard signal is input as an input video signal...
06/27/2006
7050703Video recording and playback apparatus and method
A video recording and playback apparatus and method by which accurate motion detection can be executed is disclosed. A noise reduction processing circuit performs noise reduction processing for video data inputted thereto from a switch and outputs resulting video da...
05/23/2006
7034862System and method for processing electronically captured images to emulate film tonescale and color
A sequence of electronically captured images are converted into modified images providing the appearance of images captured by a film reproduction system, where the film reproduction system is of the type that includes a motion picture negative film printed onto a m...
04/25/2006
6961513Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus
An audio signal processing method for repairing an anomalous state such as noise, a discontinuity, and a break of sound, comprising detecting the anomalous state of an audio signal, deleting the audio signal in the anomalous segment, deducing the correct audio signa...
11/01/2005
6947661Apparatus and method for reproducing video signals
To eliminate unnaturalness in the display of video signals that are intermittently updated. Video signals recorded in a disk 1 in a compressed manner are reproduced through a pickup 2. The reproduced signals are fed to a reproduction processing unit
09/20/2005
6934466Buzz reduction circuit and TV/VCR combo using the same
Buzz reduction circuit for eliminating a vertical period buzz without being influenced by amplifier circuits in an audio signal line. A video signal of a VCR video head is input to a vertical synchronizing signal separating circuit to separate a vertical synchronizi...
08/23/2005
6925244Apparatus for recording/reproducing high resolution video signal
A video signal recording/reproducing apparatus for recording/reproducing a high resolution video signal wherein the video resolution is enhanced by shifting a carrier frequency to a higher band in frequency modulation in a VCR's video signal recording mode, and by d...
08/02/2005
6904232Method and apparatus for seeking the burst cutting area of DVD media
Methods and apparatus for reading data from the burst cutting area of a digital video disc. The present location of an optical head assembly is determined. The distance from the present location of the optical head assembly to the burst cutting area is calculated. T...
06/07/2005
6895173Combined DVD/CD data processor
A combined DVD/CD (Digital Video Disk/Compact Disk) data processor used in a DVD/CD player. The DVD/CD data processor includes a PLL (Phase Locked Loop) to receive a pulse stream input to generate a PLL clock; a frame/ID synchronization detector to latch the pulse s...
05/17/2005
6865339Digital video and data recorder
A “pause and resume” function and a “channel change” function for recording and playing interframe compressed audiovideo data, particularly MPEG data. The invention includes a digital track format and a method for recording one or more sessions from one or m...
03/08/2005
6862401Recording apparatus, method and program recording medium
A recording apparatus includes a recording device which records audio visual data (hereinafter referred to as “AV data”) on a recording medium. A file restoration device which, when file management information for managing a file recorded on the recording medium...
03/01/2005
6832041VIDEO RECORDING SYSTEM UTILIZING HOST-PROCESSOR-RESIDENT ERROR RECOVERY TO TRANSFER NON-TIME-CRITICAL, ERROR-INTOLERANT DATA SEGMENTS WHILE TRANSFERRING TIME-CRITICAL, ERROR-TOLERANT STREAMING DATA SEGMENTS AT A REQUIRED DATA TRANSFER RATE
The present invention may be regarded as a video recording system and method of transferring a non-time-critical, error-intolerant data segment stored or to be stored on a disk drive, which is responsive to a set of data transfer commands generated by a host process...
12/14/2004
6823128Signal processing apparatus
A signal processing apparatus including a write controller. This write controller specifies a start position of an effective time period of each field, based on an ID signal superimposed over lines 15 to 18 of an odd numbered field video signal and ove...
11/23/2004
6781625Noise reducing apparatus
First and second noise detecting circuits detect whether image data output from a signal processing circuit includes noise. If the image data includes noise, first and second noise reducing circuits reduce the noise. An edge extracting circuit extracts edge data fro...
08/24/2004
6694092Information recording apparatus and method, information reproduction apparatus and method, and information recording medium
An information recording apparatus and method, an information reproduction apparatus and method and an information recording medium which satisfy both of the random access capability and the real time performance. First blocks each of which includes a fir...
02/17/2004
6496645Video recorder having playback-signal processing means adaptable to different playback qualities of video recordings
A video recorder for playing video recordings recorded on magnetic tapes, these recordings being available with different playback qualities, and including a reproduction apparatus for scanning a magnetic tape and for supplying a playback signal; and a pl...
12/17/2002
6298085Source encoding using shuffling of data to provide robust error recovery in a burst error-environment
A system and method for source coding a signal to localize transmission errors to a set of samples is disclosed. The signal comprises a plurality of signal elements (SEs) with each SE having a plurality of components. The signal is divided into a pluralit...
10/02/2001
6175684Data transmitting apparatus for transmitting low error rate data
A data transmitting apparatus which can reduce the load of the work of checking the AV data by the operator. AV data reproduced by a CM library (230) is recorded in a first cache (340) and second cache (350) via a distributor (330). At this time, the chec...
01/16/2001
6166873Audio signal transmitting apparatus and the method thereof
A recording and/or reproducing apparatus for recording and/or reproducing digital audio signal on a recording medium such as a magnetic tape, which includes a recording and/or reproducing unit, an analog-to-digital convertor, a decimation filter, and nois...
12/26/2000
6144800Noise reduction in correlated digital signals
A noise component is extracted from an input correlated digital signal, such as a digital video signal in which image information is substantially the same from one frame to the next. The extracted noise is multiplied by a feedback coefficient that varies...
11/07/2000
6130986Data transmitting apparatus
A data transmitting apparatus which can reduce the load of the work of checking the AV data by the operator. AV data reproduced by a CH library (230) is recorded in a first cache (340) and second cache (350) via a distributor (330). At this time, the chec...
10/10/2000
6023303Video signal processing apparatus and method for preventing a signal dropout
An output signal of an 1H delaying circuit and a signal received from an input terminal are supplied to a subtracting circuit that forms a comb line filter. Thus, even if a dropout takes place in a luminance signal, not in a chroma signal, the chroma sign...
02/08/2000
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