HDCAM SR Format History

CineAlta products are Sony’s response and commitment to the ITU 709 global standard for international high-definition (HD) program origination. HD programming has rapidly entered the mainstream, and the HDCAM format has become the most popular format supporting it. That popularity has escalated demands for even higher quality and greater storage capacity – enough to support extremely high-quality digital production, high-resolution film transfer work, sophisticated graphics recording, and multi-channel audio mastering.

Responding to the requests for more headroom in digital recordings by many prominent content producers, Sony has introduced HDCAM-SR. Developed using the very latest, cutting-edge technology, HDCAM-SR offers greater storage capacity, higher data-transfer rates, and more audio channels than any other products on the market.

HDCAM-SR products are capable of recording either RGB 4:4:4 or component 4:2:2 high-definition video at an astonishing net video rate of 440 megabits-per-second, providing a combination of higher bandwidth, higher bit depth, and lower compression than any previous half-inch or quarter-inch HD VTR. As a result, the HDCAM SR recorders capture the full detail of the Common Image Format 1920(H) x 1080(V) sampling structure without pre-filtering or sub-sampling. HDCAM SR recording also capitalizes on the unique new scalable MPEG-4 studio profile compression algorithm to achieve a mild compression ratio.

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