Betacam#Betacam SX

Betacam SX is a professional digital video format that records component signals along with four audio signals on a 1/2 "metal particle tape.

Generally

Betacam SX is the first professional video format that is compressed with a data reduction factor of 10:1 in the MPEG -2 sampled at 4:2:2 ratio and an 8 -bit resolution component signals. The MPEG-2 data compression will be performed according to the professional Profile @ Main Level (4:2:2 P @ ML). The total data rate is 44 Mbit / s, of which about 18 Mbit / s on the video signal and 3 Mbit / s on four channels of audio that is recorded with 16-bit and 48 kHz without data reduction. The remaining data bandwidth is used for error protection or for the error correction.

The format is an enhancement of Betacam SP. The mechanical properties of the Betacam SX cassette with those of a Betacam SP cassette identical, but have almost twice the recording time, because ( 5.96 cm / s) played or to be played at half speed. Here, this system remains fully compatible with Betacam SP and can also play these tapes. The maximum playing time of a Betacam SX cassette is 184 minutes. Although Betacam SX is the image quality behind IMX and Digital Betacam far behind, it is nevertheless Digital Video (DV) superior. Thus, the format has been found in the current electronic reporting in the Asian region, but also some world -wide distribution. Reason, the mechanical robustness of the system, the relatively small amount of data in the generally accepted MPEG format to be able to ( virtually for online digital editing systems ) process and the possibility of the material on small, lightweight laptop interface devices with built-in player and recorder immediately on site. So you meet with Betacam SX camera crews also commonly used in war and crisis regions. Betacam SX cassettes are SP, Digital Betacam, IMX and distinguish HDCAM cassettes by their yellow color of the mechanically almost identical Betacam, Betacam.

• Videotape format
• Digital storage medium