SVAN 971 User Manual – Appendixes
HE ending header (1 word), which differs from the HS only on b11 bit (thanks to it, it is possible
to analyse the recorded file starting from its end)
The HEADER format is as follows:
where:
b15 - 1
b14 - 0
b13 - 0
b12 - 1, bits b15 ÷ b12 = 9 constitute the marker of the frame
b11 - header type:
0 - HS
1 - HE
b10 - 1 denotes the first frame in the block
b9 - 1 denotes the last frame in the block
b7 - 1 denotes an error (the samples were overwritten in the cycle buffer, which means that
the recording in the analyzed block is not correct)
b8, b6÷b0 – reserved
B.2.1.8. Record with name of the comment file
The format of the data frame is as follows:
where:
HS starting header (1 word)
D The full name of the comment file (e.g. “REC62.WAV”).
HE ending header (1 word), which differs from the HS only on b11 bit (thanks to it, it is possible
to analyse the recorded file starting from its end)
The HEADER format is as follows:
where:
b15 - 1
b14 - 1
b13 - 0
b12 - 0,
b11 - header type:
0 - HS
1 - HE
b10 - 1
b9 - 0
b8 - 0
b15÷b8 – HS (0xC4), HE (0xCC)
b7÷b0 – length of the block
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