MX32x32DVI-HDCP-Pro and HDMI-Pro
User’s Manual v1.0
Page 59/ 109
d: This field determines the channel number extracted from the
Audio InfoFrame. Please note that most DVD and BD players
don’t specify this field unless a PCM signal is sent.
’0’ - Channel number is not specified
’0’..’7’ - Channel number is equal to (d+1)
ee: This is the hexadecimal value of the second byte of the Audio
InfoFrame. This field specifies the sampling frequency and
sample size reported by the source.
The 7-5 bits of this byte are reserved and shall be zero.
The 4-2 bits determine the sampling frequency:
000 Unspecified 100 88.2kHz
001 32kHz 101 96kHz
010 44.1kHz (CD) 110 176.4kHz
011 48kHz 111 192kHz
The 1-0 bits determine the sample length if the format is PCM:
00 The sample length is not specified by source
01 16 bit
10 20 bit
11 24 bit
For example ’0F’ means 48kHz sampling frequency and 24 bit
sample length.
ff: This is the hexadecimal value of the fourth byte of the Audio
InfoFrame. This byte describes how various speaker locations
are allocated to the audio channels. The possible values are
shown below.
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