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HMX6803
+
and OP
+
HMX
+
Installation and Operation Manual
73
Copyright © 2009, Harris Corporation
Appendix A
Audio Bit Manipulation
Overview
The tables in this appendix contain information on the manipulation of bits that
occur when using HMX6803
+
and OP
+
HMX
+
modules.
The following items are documented:
•
“Manipulating Channel Status Bits (C-Bit)” on page 74
•
“Manipulating Validity and User Bits (V-Bit and U-Bit)” on page 77
•
“Identifying Audio Characteristics (Audio Sampling Frequency and Word
Length)” on page 78
Table A-1. Description of Short Forms in the Appendix
RX Key
TX Key
Sample Rate Indication Audio Word Length
N=Not recognized
N=Not
transmitted
Byte 0 Bits [6,7],
Byte 4 Bits [3,4,5,6]
• [00,0100] = 96 kHz
• [01,0000] = 48 kHz
• [11,0000] = 32 kHz
• [00,1000] = 24 kHz
• [00,0101] = 88.2 kHz
• [10,0000] = 44.1 kHz
• [00,1001] = 22.05 kHz
Byte 2 Bits [0,1,2]
• [000] = Maximum word length
20 bits (auxiliary bit use not
indicated)
• [001] = Maximum word length
24 bits (auxiliary bits used for
audio)
Byte 2 Bits [3,4,5]
• [100] = Encoded word length
=Maximum word length - 4 bits
• [101] = Encoded word length
=Maximum word length - 0 bits
Y=Recognized
Y=Transmitted
S=Recognized and
stored,
passed-through, or
both
Содержание HMX6803+
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Страница 8: ...vi HMX6803 and OP HMX Installation and Operation Manual Copyright 2009 Harris Corporation Contents ...
Страница 16: ...xiv HMX6803 and OP HMX Installation and Operation Manual Copyright 2009 Harris Corporation Preface ...
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