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- Media_processor abstract "A media processor, mostly used as an image / video processor, is a microprocessor-based system-on-a-chip which is designed to deal with digital streaming data in real-time (e.g. display refresh) rates. These devices can also be considered a class of digital signal processors (DSPs).Unlike graphics processing units (GPUs), which are used for computer displays, media processors are targeted at digital televisions and set-top boxes.The streaming digital media classes include: uncompressed video compressed digital video - e.g. MPEG-1, MPEG-2, MPEG-4 digital audio- e.g. PCM, AACSuch SOCs are composed of: a microprocessor optimized to deal with these media datatypes a memory interface streaming media interfaces specialized functional units to help deal with the various digital media codecs The microprocessor might have these optimizations: vector processing or SIMD functional units to efficiently deal with these media datatypes DSP-like features Previous to media processors, these streaming media datatypes were processed using fixed-function, hardwired ASICs, which could not be updated in the field. This was a big disadvantage when any of the media standards were changed. Since media processors are software programmed devices, theprocessing done on them could be updated with new software releases. This allowed new generations of systems to be created without hardware redesign. For set-top boxes this even allows for the possibility of in-the-field upgrade by downloading of new software through cable or satellite networks. Companies that pioneered the idea of media processors (and created the marketing term of media processor) included: MicroUnity MediaProcessor - Cancelled in 1996 before introduction IBM Mfast - Described at the Microprocessor Forum in 1995, planned to ship in mid-1997 but was cancelled before introduction Equator Semiconductor BSP line - their processors are used in Hitachi televisions, company acquired by Pixelworks Chromatic Research MPact line - their products were used on some PC graphics cards in the mid-1990s, company acquired by ATI Technologies Philips TriMedia line - used in Philips, Dell, Sony, etc. consumer electronics, Philips Semiconductors split of from Philips and became NXP Semiconductors in 2006 Consumer electronics companies have successfully dominated this market by designing their own media processors and integrating them into their video products. Companies such as Philips, Samsung, Matsushita, Fujitsu, Mitsubishi have their own in-house media processor devices. Newer generations of such devices now use various forms of multiprocessing—multiple CPUs or DSPs, in order to deal with the vastly increased computational needs when dealing with high definition television signals.".
- Media_processor wikiPageExternalLink www.equator.com.
- Media_processor wikiPageExternalLink www.microunity.com.
- Media_processor wikiPageExternalLink www.nxp.com.
- Media_processor wikiPageExternalLink www.philips.com.
- Media_processor wikiPageID "4039380".
- Media_processor wikiPageLength "3621".
- Media_processor wikiPageOutDegree "46".
- Media_processor wikiPageRevisionID "632624750".
- Media_processor wikiPageWikiLink ATI_Technologies.
- Media_processor wikiPageWikiLink Advanced_Audio_Coding.
- Media_processor wikiPageWikiLink Application-specific_integrated_circuit.
- Media_processor wikiPageWikiLink Category:Digital_electronics.
- Media_processor wikiPageWikiLink Category:Digital_signal_processing.
- Media_processor wikiPageWikiLink Category:Digital_signal_processors.
- Media_processor wikiPageWikiLink Central_processing_unit.
- Media_processor wikiPageWikiLink Chromatic_Research.
- Media_processor wikiPageWikiLink Codec.
- Media_processor wikiPageWikiLink Consumer_electronics.
- Media_processor wikiPageWikiLink Digital_audio.
- Media_processor wikiPageWikiLink Digital_media.
- Media_processor wikiPageWikiLink Digital_signal_processor.
- Media_processor wikiPageWikiLink Digital_television.
- Media_processor wikiPageWikiLink Equator_Semiconductor.
- Media_processor wikiPageWikiLink Fujitsu.
- Media_processor wikiPageWikiLink Graphics_processing_unit.
- Media_processor wikiPageWikiLink High-definition_television.
- Media_processor wikiPageWikiLink Hitachi.
- Media_processor wikiPageWikiLink IBM.
- Media_processor wikiPageWikiLink Image_processor.
- Media_processor wikiPageWikiLink MPEG-1.
- Media_processor wikiPageWikiLink MPEG-2.
- Media_processor wikiPageWikiLink MPEG-4.
- Media_processor wikiPageWikiLink MPact.
- Media_processor wikiPageWikiLink MicroUnity.
- Media_processor wikiPageWikiLink Microprocessor.
- Media_processor wikiPageWikiLink Mitsubishi_Electric.
- Media_processor wikiPageWikiLink Multiprocessing.
- Media_processor wikiPageWikiLink NXP_Semiconductors.
- Media_processor wikiPageWikiLink Panasonic.
- Media_processor wikiPageWikiLink Philips.
- Media_processor wikiPageWikiLink Pixelworks.
- Media_processor wikiPageWikiLink Pulse-code_modulation.
- Media_processor wikiPageWikiLink SIMD.
- Media_processor wikiPageWikiLink Samsung.
- Media_processor wikiPageWikiLink Set-top_box.
- Media_processor wikiPageWikiLink Stream_(computing).
- Media_processor wikiPageWikiLink System_on_a_chip.
- Media_processor wikiPageWikiLink TriMedia_(mediaprocessor).
- Media_processor wikiPageWikiLink Uncompressed_video.
- Media_processor wikiPageWikiLink Vector_processor.
- Media_processor wikiPageWikiLink Video_scaler.
- Media_processor wikiPageWikiLinkText "Media processor".
- Media_processor wikiPageWikiLinkText "media processor".
- Media_processor subject Category:Digital_electronics.
- Media_processor subject Category:Digital_signal_processing.
- Media_processor subject Category:Digital_signal_processors.
- Media_processor type Algorithm.
- Media_processor type Processor.
- Media_processor comment "A media processor, mostly used as an image / video processor, is a microprocessor-based system-on-a-chip which is designed to deal with digital streaming data in real-time (e.g. display refresh) rates.".
- Media_processor label "Media processor".
- Media_processor sameAs Q6805986.
- Media_processor sameAs m.0bdyzj.
- Media_processor sameAs Q6805986.
- Media_processor wasDerivedFrom Media_processor?oldid=632624750.
- Media_processor isPrimaryTopicOf Media_processor.