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Home > Help > Standards Development Organizations > ATSC > Semantic Elements > sample_rate_code
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sample_rate_code (AC-3)

The sample_rate_code is a 3-bit unsigned integer field in an ATSC AC-3 descriptor from which one can deduce the sample rate. The only value that is permitted by ATSC A/53 is 48 khz.

valid sample rate codes
sample_rate_codeSample rate (kHz)
0 / 0x0048
1 / 0x0144.1
2 / 0x0232
4 / 0x0448 or 44.1
5 / 0x0148 or 32
6 / 0x0644.1 or 32
7 / 0x0748 or 44.1 or 32

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