Keysight U8903B, Руководство пользователя

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Audio Generator Functions 3
Keysight U8903B User’s Guide 163
Table 3-42 AES3/SPDIF Consumer mode bit description
Bits Label Description
0 Application mode
0: Consumer
1: Professional
1 Non-audio
0: Audio data is linear PCM samples
1: Other than linear PCM samples
2 Copyright
0: Asserted
1: Not asserted
3 – 5 Emphasis
000: Emphasis not indicated
100: CD-type emphasis
6 – 7 Channel status mode
00: Mode zero
Other values reserved
8 – 15 Category code Bit 8 is LSB
16 – 19 Source number Bit 16 is LSB
20 – 23 Channel number Bit 20 is LSB
24 – 27 Sampling frequency
0000: 44.1 kHz
0100: 48 kHz
1100: 32 kHz
28 – 29 Clock accuracy
10: Level I,
±
50 ppm
00: Level II, ± 1000 ppm
01: Level III, variable pitch shifted
30 – 31 Reserved
32 Word length (field size)
0: Maximum length 20 bits
1: Maximum length 24 bits
33 – 35 Word length
000
101
001
010
011
100
If bit 32 = 1
Not indicated
24 bits
23 bits
22 bits
21 bits
20 bits If bit 32 = 0
Not indicated
20 bits
19 bits
18 bits
17 bits
16 bits