Control Signal Block Structure - Sony PCM-1630 Operation And Maintenance Manual

Control signal block structure
PCM data
Control bits
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
Dubbing prohibition bit**
0: Dubbing is possible.
I I
~Sync
information area
Block flag bit "1" is attached
1: Dubbing is prohibited.
every 256 words*.
* When the block flag bit is "0", the
audio/non-audio identification bit,
dubbing prohibition bit and emphasis
identification bits are also "0".
** In the PCM-1630, the dubbing prohibition
bit is always "0".
*** For interface (signal: DA IN CH-1)
between the DAE-llOOA with serial No.
10601 and higher and the PCM-1630 with
serial No. 11301 and higher, the 26th
bit is used independently as the EDIT
signal bit. Therefore, only the 27th
bit is used as the emphasis
identification bit.
26th bit
0: Normal
1: Automatic editing
1·32 (E)
Audio/non-audio identification bit
0: Audio
1: Non-audio
Emphasis identification bits***
00: Emphasis is not used.
01: Emphasis is used.
(50 rsec., 15 rsec.)