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| Number | Title | Issue Date |
| 7369962 | Method and device for data integrity checking The present invention relates to high speed datapaths, sometimes including mixed digital and analog voltage signals. In particular, it relates to error checking strategies for large data volumes, in digital and/or analog domains and to analog signal patterns that ac... | 05/06/2008 |
| 7266287 | Using background audio change detection for segmenting video A video processing device includes a background audio change detector that detects background audio changes in audio data corresponding to particular video data. The video processing device detects semantically meaningful video scenes using detected background audio... | 09/04/2007 |
| 7197458 | Method and system for verifying derivative digital files automatically A method and apparatus for verifying automatically that a plurality of derivative audio (or other multimedia) files have acceptable sound quality. In one embodiment, each derivative file is compared on a byte-by-byte basis to a corresponding original file to generat... | 03/27/2007 |
| 7120253 | Method and system for protecting video data A key protected data stream and an encryption key are received at a gateway device. The gateway devices unprotects the data stream based upon the encryption key. The unprotected received data is modified by the gateway to generate a modified data. The modified data ... | 10/10/2006 |
| 7116841 | Apparatus, method, and product for downscaling an image An average filter or filters is used in line with the output of an interpolation filter to downscale an image. The interpolation filter upscales a source image or bitmap of pixels into an intermediate form and the average filter or filters downscales the intermediat... | 10/03/2006 |
| 7113542 | Image editing apparatus and image editing method An image editing apparatus which edits image data coded by an MPEG method includes an image encoder which codes the image data, an image decoder which decodes the coded image data, and an image data analyzer which determines an attribute of each GOP and a type of ea... | 09/26/2006 |
| 7088725 | Method and apparatus for transcoding, and medium In a video TS packet separator, a video TS packet VTSP is extracted from a TS (transport stream). In a PES packet analyzer through a TS packet generator, the video TS packet is decoded, re-encodes at a predetermined bit rate, TS-packetized and supplied to a switch i... | 08/08/2006 |
| 6996101 | Re-mapping and interleaving transport packets of multiple transport streams for processing by a single transport demultiplexor Method, system and computer products are provided for re-mapping and interleaving transport packets of multiple transport streams for processing by a single transport demultiplexor. The re-mapping and interleaving technique ensures unique identification of transport... | 02/07/2006 |
| 6952453 | Method for formatting a data flow by coding based on the sequence objects of animated images For object-based coding of moving image sequences for video objects, signaling information indicating whether the video object is to be decoded for playback or displayed is always transmitted regardless of the external form of a video object. In contrast with option... | 10/04/2005 |
| 6947488 | Scalable MPEG-2 video decoder A system and method for scaling an MPEG-2 video decoder subject to a resource constraint. A decoder system is provided for decoding compressed video data arranged in a group of pictures, wherein the group of pictures include I pictures, P pictures and B pictures. Th... | 09/20/2005 |
| 6947060 | Image forming apparatus, electron beam apparatus, modulation circuit, and image-forming apparatus driving method An image forming apparatus which performs pulsewidth modulation with a pulsewidth set by counting a clock. Especially, for grayscale level correction by setting the frequency of the clock, the periodic clock is counted, and an output pattern is changed in accordance... | 09/20/2005 |
| 6922520 | Recording medium cartridge with memory circuit employing a hierarchical data structure A recording medium cartridge includes a memory circuit for storing information concerning signals recorded on the recording medium within the cartridge. The information is stored in the memory circuit in the form of a hierarchic data structure which includes a plura... | 07/26/2005 |
| 6903732 | Image display device An image display device comprises a first storage device (4) for storing an image data, an image processor (8) for reducing the number of bits of the image data, a second storage device (10) for storing the image data after being processed, a di... | 06/07/2005 |
| 6897902 | Digital video-processing unit In a video-processing unit comprising a processing means, memory means and a memory manager, an output of the processing means is coupled to the memory manager for storing of the processed data from the processing means in the memory means to allow execution of diff... | 05/24/2005 |
| 6859497 | Command frames and a method of concatenating command frames A command frame according to the invention comprises at least one last command with a continue bit, and a number of padding bits so that the frame occupies an integer number of words. It is designed to allow the position of the continue bit of last command to be det... | 02/22/2005 |
| 6779195 | Signal processing apparatus and signal receiving apparatus The MPEG2TS packet S3 as the digital broadcast data is obtained from the ECC decoder. The NIT detecting circuit detects NIT from this packet S3, changes the transmitting frequency information and deletes the information (service information) of the pro... | 08/17/2004 |
| 6717989 | Video decoding apparatus and method for a shared display memory system The video decoding apparatus and method includes providing a storage pointer command over a bus for a video decoder, wherein the storage pointer command contains index data associated with compressed video data. The index data represents, for example, a buffer stora... | 04/06/2004 |
| 6526100 | Method for transmitting video images, a data transmission system and a multimedia terminal The invention relates to a method for transmitting video images between multimedia terminals (1,1') in a data transmission system. In the video image transmission first video frames (I) are used, in which information encoded from one video image is transm... | 02/25/2003 |
| 6486918 | Method for storing video frame data in a memory A method for storing video frame data in a memory includes the steps of: sequentially receiving the video frame data; dividing the video frame data into a first part and a second part; storing the first part in the memory; storing the second part in the m... | 11/26/2002 |
| 6463060 | Signal processing circuit A signal processing circuit which enables an error bit to be set simply without causing an increase in the size of the circuit even if the packet size is changed and which enables realization of stable operation without the system stopping even if the val... | 10/08/2002 |
| 6414726 | Device for identifying packets of digital data and a receiver for digital television signals equipped with such a device Circuitry for identifying digital data packets, each comprising a useful signal and a header signal containing data pertaining to the contents of the useful signal is provided. The circuitry includes a means (30) for extracting data from each header signa... | 07/02/2002 |
| 6347151 | Image signal converting/encoding method and apparatus An image signal expressing pel values and a significance signal declaring for each pel whether the pel value is significant are supplied as input signals. By referring to the input significance signal values for the pels proximal to the pel being processe... | 02/12/2002 |
| 6323904 | Multifunction video compression circuit An integrated circuit for MPEG2 has a variable length decoder; a variable length coder; a decoder; and a coder. An information bus switch passes an information bus signal to the variable length coder, and as a control to the decoder and to the coder; and ... | 11/27/2001 |
| 6324233 | Reception of modulated carriers having asymmetrical sidebands In a receiver for receiving a modulated carrier (MC) having asymmetrical sidebands (USB,LSB), for example, a TV signal, a synchronous demodulator (SDEM) derives a vectorial baseband signal (VB) from the modulated carrier (MC). A filter (FILT) filters the ... | 11/27/2001 |
| 6259694 | Signal processing circuit A signal processing circuit which enables an error bit to be set simply without causing an increase in the size of the circuit even if the packet size is changed and which enables realization of stable operation without the system stopping even if the val... | 07/10/2001 |
| 6151074 | Integrated MPEG decoder and image resizer for SLM-based digital display system A video processing unit (13) that decodes compressed video data and resizes the image represented by the video data. The video processing unit (13) has two processing engines--a decoding engine (24) and a scaling engine (25), which share a memory (23). A ... | 11/21/2000 |
| 5822024 | Image data processing method and apparatus of same An image data processing method in a signal processing method for coding a picture sequence comprised of I-pictures, P-pictures, and B-pictures accommodated in GOP's, wherein when the pictures of a certain GOP among a series of GOP's are changed, the codi... | 10/13/1998 |
