Digital-S format
Magnetic recording of images: digital formats
Article REF: TE5772 V1
Digital-S format
Magnetic recording of images: digital formats

Author : Alain DELHAISE

Publication date: February 10, 2004 | Lire en français

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4. Digital-S format

The analog S-VHS format was a big hit with the general public, but also with professionals, especially on the North American market. It was tempting for Japanese manufacturer JVC to take the mechanics of this format and add digital electronics. This explains the birth of the Digital-S format, which nevertheless competes with Panasonic's DVCPRO formats, even though both companies belong to the same Matsushita group.

Digital-S is covered by the SMPTE 316M standard and is known as D-9.

4.1 Recorded signals

In the case of video, these are 4:2:2 signals with 8 binary characters, to which an intra-frame bit-rate reduction is applied using the TCD algorithm. The starting bitrate of 166 Mbits/s is thus reduced to 50 Mbits/s, giving a low...

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