|
Table 4: An example of the representative video, audio, and control-track times, lengths, and frames for a 2.00-second overrecording with the following characteristics: (1) the underlying recording is at SP speed, (2) the overrecording is at SP speed, and (3) the underlying and overrecording VCRs have flying erase and hi-fi audio heads. The distance from the full-track erase head to the video-recording head has been designated as 80.00 mm, the frame numbers have been rounded to the nearest whole number, all lengths are in mm, and all times are in seconds.
|
|
Playback Video Sequence
|
Hi-Fi Audio
|
Linear Audio
|
Control Track
|
|
Segment
|
Time
|
Length
|
Time
|
Length
|
Frames
|
|
|
|
|
O
|
2.00
|
66.70
|
0.00–2.00
|
0.00–66.70
|
0–60
|
Yes
|
Yes
|
Yes
|
|
U
|
0.40
|
13.30
|
2.00–2.40
|
66.70–80.00
|
61–72
|
Yes
|
Yes
|
Yes
|
|
E–UP
|
2.00
|
66.70
|
2.40–4.40
|
80.00–146.70
|
73–132
|
No
|
Yes
|
Yes
|
|
UP–E
|
2.89
|
96.30
|
4.40–7.29
|
146.70–243.00
|
133–218
|
No
|
Yes
|
Yes
|
|
U
|
0.38
|
12.54
|
7.29–7.67
|
243.00–255.54
|
219–230
|
Yes
|
Yes
|
Yes
|
|
UN
|
2.00
|
66.70
|
7.67–9.67
|
255.54–322.24
|
231–290
|
Yes
|
No
|
No
|
|