5. Betacam SX format
The fourth format in Sony's Betacam family, Betacam SX clearly meets a specific need, according to its manufacturer: news. It is economical, ensures playback compatibility of Betacam and Betacam SP footage on all SX models, and can support several generations of signal, i.e. light post-production, without any significant degradation in quality.
5.1 Recorded signals
SX is the only format on the market that uses image comparison to reduce digital throughput using interimage techniques.
Admittedly, the length of the image group (GOP) is short, since it consists of just two alternating I and B images. The B frame is defined in relation to the surrounding I frames. The MPEG-2 signal concerned complies with the 4:2:2 profile, main level. The...
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Betacam SX format
Betacam IMX format
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