Content Protection in Sdhc Memory Card
SD-card association after the success of the SD Memory Cards has extended the SD card version and introduced new SD card with enhanced capacity known as the SDHC (SD high capacity) memory card. This new specification of SD memory card extends its capacity beyond 2 Gigabytes. This extended SD card version was developed to new requirements and demands of new advanced generations of cell phones, camcorders, A/V devices, telecommunication devices, still & digital cameras and personal digital assistants (PDA). Consumers now demand new features of their digital equipments and therefore the SD card association is adding new technologies to the SD memory cards.
SDHC memory card has enabled the manufactures in developing digital devices equipped with latest, advanced and innovative functions and features that the users are clamoring for. Digital devices today need extended memory capacities so that they are able to accommodate huge files of databases, video and audio as well. SD card’s new description has expanded the recording ability of the SD memory cards and is capable of meeting the high capacity requirements of those products as well that utilize the intensive memory file system FAT-32.
New SD card specification assures minimum Speed Class Secure Digital rating that is equivalent to video products MPEG 2. Now the manufacturers are confidently designing the products of SDHC card and their products are efficiently meeting the consumer’s needs. The other specifications that made possible to extend the capacity of SDHC card are SD secure digital binding, SD secure digital video and SD secure digital audio. SD (secure digital) audio facilitates the users and helps them in easy movement of the music libraries among different versions of secure digital enabled digital devices for including car stereos, audio players, cellular phones, computers and similar other mobile equipments. Content protection is protected by the specification of SD audio through Content Protection for Recordable Media (CPRM).
For security and protection against theft, each of the secure Digital Memory cards has built in CPRM (Content Protection for Recordable Media). The users can easily capture and move MPEG2 quality video to SD video enabled product because of the specification of SD video. SD video enables the consumers to watch and record digital H-264 television programs by using their cellular phones (SD video enabled). The operators of cell phones can secure the downloaded content to their mobile network phones by the description of secure digital binding. The content bounds to the Mobile Phone device and therefore the unauthorized and unapproved copying of data to the other computers or devices is prohibited.
SD-card association has added new technologies to the SD memory cards that enable the users to not only to watch the high quality video but also allow them secure sharing of the video content on their cellular phones. Through the advanced technologies of SD association, video content can easily be recorded on the SD-card and the consumers can share the video content with others making sure the protection of copyright for the content. CPRM (Content Protection for Recordable Media) was approved was approved on the base of ARIB (Association of Radio Industries & Businesses) copy-once policy as DRM (Digital rights management) on secure digital cards when utilizing the SDA defined secure digital video applications for One-sag television program recording. That is why the consumers use the reliable SD memory cards for transferring and storing audio and video data as they can secure and protect the data with complete surety.
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