IDK MSD-54 Series - Manual (Page 121)

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8.8 Audio Settings
HDMI digital audio supports the following formats. For audio output of devices connected to the HDMI input
connectors (such as DVD players), set a format supported by both the MSD and display device connected to
HDMI output connector (such as display devices and AV amplifier). However, as factory default, only “2
channel linear PCM” can be input. If you want to use “Multi channel linear PCM” or bit stream signals
(compressed audio), set “8.9.5 Audio format“ and “8.9.6 Speaker configuration”.
[Table 8.5] Supported formats of HDMI digital audio
Audio format Descriptions
2 channel linear PCM 2ch, 32 kHz to 192 kHz, 16/20/24bit
Multi channel linear PCM 8ch, 32 to 192kHz, 16/20/24bit
AC-3, Dolby Digital, DTS Bit stream
Dolby Digital+, DTS-HD, Dolby TrueHD Bit stream
AAC Bit stream
If Multi channel linear PCM signals are input to digital audio, two channels set in “8.8.9 Multi-channel audio
output” or down-mixed audio is output to analog audio and display devices that do not support multi linear
PCM.
[Figure 8.42] I/O of multi-channel signals
Analog output
Digital output
5.1ch 5.1ch
Selected 2 ch or down mixed audio
Matrix Switcher
Input level Output level
Digital input
Digital output
Blu-ray disc player
AV Amplifier supporting multi
channels
Amplifier built in speaker
LCD monitor not supporting multi
channels
Any 2 ch or down mixed audio