| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 386263000 | ERROR OR FAULT DETECTION DURING RECORDING OR REPRODUCING OPERATION FOR VIDEO SIGNAL | 32 |
| 20110255843 | APPARATUS AND METHOD FOR TESTING SIGNAL CHANNELS OF DVR - An apparatus and method can test multiple signal channels of a digital video recorder (DVR). Image data are obtained from a storage device and converted the image data to a video signal. The DVR sends the video signal to an image distributor, and generates a selection command to a controller for controlling the image distributor to select a signal channel to be tested. After the video signal is received from the DVR, the image distributor sends the video signal to the selected signal channel. An ID number of the selected signal channel is displayed on a display device when the DVR does not receive the video signal from the selected video channel. | 10-20-2011 |
| 20120219270 | Content Playback Apparatus and Content Playback Method - According to one embodiment, a content playback apparatus includes a playback module, a decision module, and a management module. The playback module is configured to play back a content includes components selected from moving picture data, image data, sound data and text data, thereby to produce video data and audio data. The decision module is configured to determine, based on a state of the content playback apparatus, whether the components of the content can be viewed and listened to. The management module is configured to manage video-audio management data includes data items based on a decision result of the decision module, each data item representing whether a video or audio data item has been viewed or listened to. | 08-30-2012 |
| 20130034339 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND STORAGE MEDIUM - According to one aspect of the invention, an image processing apparatus comprises: a unit configured to obtain an input image and a subsequent image; a unit configured to obtain N replicated images from the input image; a generating unit configured to generate a low-frequency enhanced image; a subtraction unit configured to generate a high-frequency enhanced image; a synthesizing unit configured to generate a high-frequency output image; and an output unit configured to select and output one of the low-frequency enhanced image and the high-frequency output image. The generating unit comprises a unit configured to obtain a motion vector of an object, and a filter unit configured to apply the filter to pixels around a specified pixel position Q in the replicated image, to obtain a pixel value at a pixel position P in the low-frequency enhanced image. | 02-07-2013 |
| 20140003794 | IMAGE PROCESSING APPARATUS | 01-02-2014 |
| 20140099079 | Method of Processing a Sequence of Coded Video Frames - A method of processing a sequence of coded video frames conveyed by a digital data stream, where each frame represents an image, includes receiving the sequence of coded video frames at a recording device, determining a frame interval between presentation of an ith coded frame of the sequence and an (i+1)th coded frame of the sequence, calculating a stream time stamp for the ith coded frame, and calculating a stream time stamp for the (i+1)th coded video frame based on the stream time stamp for the ith coded video frame and the previously determined frame interval. | 04-10-2014 |
| 20140328573 | ACCESSING STORED MULTI-MEDIA CONTENT BASED ON A SUBSCRIPTION PRIORITY LEVEL - A method begins with a processing module of a centralized digital video storage (DVS) system storing, for playback, a plurality of sets of encoded data slices in storage units, where multi-media content is encoded to produce the plurality of sets of encoded data slices. The method continues with the processing module monitoring the storage units for a failure mode and monitoring a number of subscriber devices requesting playback of the multi-media content. The method continues with the processing module determining whether a sufficient number of unique combinations of a decode threshold number of encoded data slices per set of slices exists to service playback of the multi-media content. When the sufficient number of the unique combinations do not exist, the method continues with the processing module reassigning unique combinations of the decode threshold number of encoded data slices per set of encoded data slices to some of the subscriber devices. | 11-06-2014 |
| 20150037010 | TRANSFERRING MULTIPLE RECORDS INCLUDING VIDEO DATA - In one embodiment, a method includes receiving from the host a video special mode for reading video data, and sequentially reading the records included in data sets from the tape medium into segments of a buffer. When there is a C2 error during reading of the data sets, a predetermined error recovery process is skipped in accordance with the video special mode. When management information (DSIT) for the data set having the C2 error is available for reading, sending of the record(s) included in the data set having the C2 error to the host is skipped. For the data set having the C2 error, the number of records to be skipped included in the data set having the C2 error based on and from the DSIT is obtained and indicated to the host. | 02-05-2015 |
| 20150063784 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM - An information processing apparatus includes an input unit, a storage unit, and a control unit. The input unit receives processed data having resulted from a process in which a test-content is read and processed by a device to be evaluated. The test-content is composed of a plurality of units for reproduction ordered along a time axis, each unit for reproduction having feature points, the number of the feature points monotonically increasing or decreasing by a predetermined difference along passage of reproduction time. The storage unit stores the predetermined difference. The control unit calculates the numbers of the feature points with respect to each of two adjacent units among the units for reproduction in the processed data, and detects an error in the processed data by determining whether or not a difference between the calculated numbers of the feature points is equal to the stored difference. | 03-05-2015 |
| 20150071611 | IDENTIFYING AN RERECORDING ONLY THE INCOMPLETE UNITS OF A PROGRAM BROADCAST RECORDING - Each data integrity value, from among a plurality of data integrity values each associated with a separate unit of a program comprising a plurality of units, is checked against a separate recorded portion of a recording of the program corresponding to one of the plurality of units, wherein the recording of the program is recorded from a broadcast of the program. Responsive to a particular data integrity value from among the plurality of data integrity values not matching when checked against a particular separate recorded portion of the program corresponding to a particular unit from among the plurality of units, the recording is corrected by replacing only the particular separate recorded portion of the program from a second recording of only the particular unit from a subsequent broadcast of the program. | 03-12-2015 |
| 20160100126 | TRANSFERRING MULTIPLE RECORDS INCLUDING VIDEO DATA TO/FROM HOST - In one embodiment, a magnetic tape device includes a read control configured to sequentially read records included in data sets from a tape medium into a buffer, and send the records included in the data sets to a host in response to determining that there is no C2 error during reading of the data sets. The read control is also configured to skip a predetermined error recovery process in accordance with a video special mode in response to detecting a C2 error during reading of the data sets. | 04-07-2016 |
| 20160142666 | VIDEO RECORDING FAILOVER - Embodiments disclosed herein provide systems and methods for performing video recorder failover. In a particular embodiment, a system for handing a failover of a first Network Video Recorder (NVR) is provided. The system includes a second NVR that receives a video stream and temporarily stores an amount of the video stream to the temporary storage, wherein the amount of the video stream stored in the temporary storage at any given time corresponds to a duration of time sufficient to accommodate a failover of the first NVR to the second NVR. In response to a detection of a failure of the first NVR, the second NVR records the video stream to the second long-term storage and transfers at least a portion of the video stream stored in the temporary storage to the second long-term storage. | 05-19-2016 |
| 20220141526 | SYSTEM AND METHOD FOR DATA MANAGEMENT IN A MEDIA DEVICE - It is common that in an audio system, there are multiple data rates that need to be synchronized. For example, a sending device has its own crystal or clock, and a receiving device has another. Typical solutions introduce a lot of latency. According to various embodiments of the invention, a data management mechanism and technique are presented. The data management mechanism and technique pertains to managing media data such as those in an audio system, for example, managing the consumption of digital audio data in USB audio. The data management mechanism may include a dynamic buffer, which can be automatically controlled and adjusted to address issues (e.g., latency) in data consumption. | 05-05-2022 |
| 386264000 | Video compensation or correction | 14 |
| 20110097058 | METHOD OF PROCESSING AUDIO-VIDEO DATA - An audio-video processing method is adapted to an audio-video device and a storage device for processing an index-based audio-video file. The method for processing audio-video data includes a write procedure, a play procedure, and/or a repair procedure. In the write procedure, audio-video data is captured by the audio-video device first, and the audio-video data includes a plurality of continuous samples; a header is written according to the audio-video data; a predetermined number of samples are captured as a data chunk; a prefix index corresponding to the data chunk and the data chunk are written in sequence repeatedly according to the audio-video data; and a file index is written finally. In the play procedure, after the header is read, corresponding prefix index and data chunk are repeatedly read and played. Moreover, in the repair procedure, incompletely written file index and data chunk are repaired through all the prefix indexes. | 04-28-2011 |
| 20110110647 | ERROR CORRECTION FOR SYNCHRONIZED MEDIA RESOURCES - A media archive comprising a plurality of media resources associated with events that occurred during a time interval are processed to synchronize the media resources. Sequences of patterns are identified in each media resource of the media archive. Elements of the sequences associated with different media resources are correlated such that a set of correlated elements is associated with the same event that occurred in the given time interval. The synchronization information of the processed media resources is represented in a flexible and extensible data format. The synchronization information is used for correction of errors occurring in the media resources of a media archive, for enhanced synchronous playback of the archive resources, and for unified access to, and modification of, the archive resources. | 05-12-2011 |
| 20110129200 | MOVIE REPRODUCING APPARATUS AND METHOD - If a movie reproducing apparatus detects an error during reproduction of encoded movie data, based on management information that includes a recording position of an intra-picture coded picture included in the encoded movie data, the movie reproducing apparatus determines a position used when the error is recovered by searching for an intra-picture coded picture subsequent to a frame including data with the error as well as updates elapsed time information to be displayed based on a frame number of the searched intra-picture coded picture at the time the error is recovered. | 06-02-2011 |
| 20130077941 | MOVIE REPRODUCING APPARATUS AND METHOD - If a movie reproducing apparatus detects an error during reproduction of encoded movie data, based on management information that includes a recording position of an intra-picture coded picture included in the encoded movie data, the movie reproducing apparatus determines a position used when the error is recovered by searching for an intra-picture coded picture subsequent to a frame including data with the error as well as updates elapsed time information to be displayed based on a frame number of the searched intra-picture coded picture at the time the error is recovered. | 03-28-2013 |
| 20130223817 | METHOD AND APPARATUS FOR AUTOMATIC FILM RESTORATION - A method and an apparatus for automatic restoration of an image or a sequence of images, e.g. motion picture films, are disclosed, which facilitate removal of artifacts within the image or the sequence of images. The restoration is split into a detection process, a quality control process, and a removal process. In the detection process artifacts in the image or the sequence of images are detected and information about the detected artifacts is stored in a metadata database. In the subsequent quality control process the information about the detected artifacts is reviewed by an operator. In the removal process one or more of the detected artifacts are removed from the image or the sequence of images based on the information about the detected artifacts stored in the metadata database. | 08-29-2013 |
| 20130251343 | METHOD FOR PERFORMING FLUENT PLAYBACK CONTROL IN RESPONSE TO DECODING STATUS, AND ASSOCIATED APPARATUS - A method for performing fluent playback control is provided, where the method is applied to an electronic device. The method includes the steps of: determining whether an out of synchronization status regarding audio playback and video playback occurs; and when it is detected that the out of synchronization status occurs, controlling jump timing of video playback according to at least one of scene change detection and standstill detection. For example, the scene change detection can be performed to determine whether a scene change exists, and when it is detected that the scene change exists, a jump operation of video playback is triggered. In another example, the standstill detection can be performed to determine whether a standstill phenomenon exists, in order to determine whether to delay triggering a jump operation of video playback. In another example, a temporary audio pause operation can be selectively performed. An associated apparatus is also provided. | 09-26-2013 |
| 20140169763 | SYSTEM FOR DETECTING STRUCTURED ARTIFACTS IN VIDEO SEQUENCES - Methods for detecting structured artifacts in a video may begin by accepting a video frame at a video input and then generating a filtered frame from the video frame. After a differenced image is produced, groups of connected pixels (blobs) within the differenced frame are identified, and isolated blobs are removed to produce a cleaned image. A Fourier transform is performed on the cleaned image, and structured artifacts may be identified based on a comparison of magnitudes of the Fourier components of the cleaned image. Devices that detect and identify structured artifacts are also described. | 06-19-2014 |
| 20140294362 | METHOD AND APPARATUS FOR DETECTING QUALITY DEFECTS IN A VIDEO BITSTREAM - There is provided an apparatus for detecting a quality defect in a video sequence, the apparatus comprising: a receiver arranged to receive a video bitstream representing a video sequence; and a defect module arranged to determine a measure of quantization parameter for each picture of the video sequence, the defect module further arranged to identify a quality defect when an abrupt change in the measure of quantization parameter occurs. | 10-02-2014 |
| 20150037011 | Methods and Systems for Recovering Media Content Lost Due to a Channel Change Event - An exemplary method includes a media content recovery system 1) detecting that a DVR device is tuned to a first channel used by a media content provider to distribute a first media content program, 2) dynamically storing, in response to the detecting, first program data representative of the first media content program in a local buffer residing on the DVR device and in a recovery buffer as the first media content program is distributed by the media content provider, and 3) directing the DVR device to use the first program data stored in the local buffer to present the first media content program by way of a display while the DVR device is tuned to the first channel. Corresponding methods and systems are also disclosed. | 02-05-2015 |
| 20160203368 | SMUDGE REMOVAL | 07-14-2016 |
| 386265000 | With redundancy (e.g., raid 0-5, etc.) | 1 |
| 20130315567 | Methods for Efficiently Combining Partial ABR Recordings - Recording reconstruction from multiple overlapping recordings may be provided. New recorders may copy manifests from working recorders, as opposed to reconstructing from failed recorders, to construct manifests that refer to video fragments from different recorders. Origin servers may follow these reconstructed manifests to obtain any fragment in the recording, in any combination of recorder failure/take-over/restart, as long as there was at least one recorder functioning at all times. | 11-28-2013 |
| 386269000 | Equalizer/filter video signal (e.g., noise pre-emphasis, etc.) | 3 |
| 20100329641 | Video Recording System - A video camera comprises an optic system | 12-30-2010 |
| 20110033171 | Signal processing device, reproducing device, signal processing method and program - There is provided a signal processing device which includes a change position detection unit that detects stepwise change positions of an n-bit quantized signal generated from an input signal; a density detection unit that calculates a value indicating a degree of density of the stepwise change positions detected by the change position detection unit; and a first low-frequency component extraction unit that extracts a desired low-frequency component from the input signal based on the value indicating the degree of density of the change positions calculated by the density detection unit. | 02-10-2011 |
| 20160006978 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, IMAGE PROCESSING PROGRAM, AND RECORDING MEDIUM - An image processing device comprising: a recording unit configured to record a previous frame image input before a target frame image that is to be a processing target or an output frame image from the previous frame image; an alignment unit configured to align the target frame image with the previous frame image or with the output frame image from the previous frame image; a correction unit configured to perform a temporal correction process to correct a pixel value of the target frame image by use of a pixel value of the previous frame image or a pixel value of the output frame image from the previous frame image that has been aligned by the alignment unit, with reference to the recording unit; and a generation unit configured to generate an output frame image from the target frame image by use of the target frame image corrected by the correction unit. | 01-07-2016 |
| 386270000 | Drop-out detection | 4 |
| 20140334800 | SELF CORRECTING RECORD PIPELINE - Systems and methods for a self-correcting DVR record pipeline may provider for simpler, lower cost transport producer hardware elements. A free running transport pipeline producer may fill transport buffers without waiting for feedback from the data consumer that data has been completely processed. The pipeline data consumer independently detects transport buffers that are overwritten before processing on the buffer content is complete. The pipeline data consumer drops or deletes any invalid content or stream data to recover from the data overflow condition. | 11-13-2014 |
| 20150093097 | METHOD AND DEVICE FOR PLAYING MULTIMEDIA CONTENT - It is provided a method for resuming an interrupted session of multimedia content with a rendering device. It comprises the steps of reading a status information of the interrupted session, said information being stored in a portable device; and resuming the session of the multimedia content based on the status information read. | 04-02-2015 |
| 20160150178 | SYSTEM AND METHOD FOR AUTOMATICALLY CREATING A MEDIA ARCHIVE FROM CONTENT ON A RECORDING MEDIUM - A media player may include a media reader to read media content from a recording medium inserted into the media reader. The media player may also include a media analysis component to identify one or more valid portions of the recording medium containing media content and one or more invalid portions of the recording medium without media content. In one embodiment, the media player includes an archival component to store the media content from the one or more valid portions in a storage medium and a playback component to play back the one or more valid portions of the media content from the storage medium concurrently with the identification of the one or more valid portions by the media analysis component and the storage of the media content by the archival component. | 05-26-2016 |
| 386271000 | Interpolation | 1 |
| 386272000 | Using static memory | 1 |
| 20110268425 | POWER MANAGEMENT IN MULTI-STREAM AUDIO/VIDEO DEVICES - A method of managing power consumption in a video device capable of displaying encoded multi-stream video is disclosed. Power reduction is achieved by limiting the amount of video and audio decoding and processing performed on at least some of the encoded streams, by taking particular application contexts into account. In a normal power consumption mode, audio/video data from all streams are decoded and digitally processed for output. In response to detecting a reduced power consumption mode, audio/video from at least some of the streams are processed in a modified manner to reduce power consumption. | 11-03-2011 |
| 386277000 | Power fault detection and compensation | 2 |
| 20140308026 | DELAY CIRCUIT AND ELECTRONIC DEVICE USING THE SAME - An electronic device powered by a power supply is capable of playing video files. The electronic device includes a processor, a delay circuit, and a storage. The delay circuit disconnects the processor with the power supply, and outputs a record signal and a working voltage. The processor is powered on by the working voltage and records a current position of a playing video file in the storage in response to the record signal. The delay circuit further stops outputting the working voltage after a predetermined interval. | 10-16-2014 |
| 20160203844 | FOOTAGE COLLECTING/BROADCASTING DEVICE, FOOTAGE COLLECTING/BROADCASTING SYSTEM, FOOTAGE COLLECTING/BROADCASTING METHOD, AND RECORDING MEDIUM RECORDED WITH A PROGRAM | 07-14-2016 |
