5. Device Concept MMX8x4-HT series – User's Manual 41
Audio Interface
The table below shows the number of the audio signals and connector types by model.
Summary of Audio Interface
Model
Audio inputs
HDMI input TPS input
Analog
audio input
Advanced
analog audio input
MIC
input
4x 4x - 1x 1x
4x 4x 2x
1
1x 1x
8x - 6x
2
- -
8x - 6x
2
- -
Model
Audio outputs
HDMI output TPS output
Analog
audio output
Advanced
analog audio output
4x - - 1x
2x 2x 2x
1
1x
8x - 6x
2
-
8x - 6x
2
-
1
2
Advanced audio settings
The MMX8x4-HT400MC and MMX8x4-HT420M models
have a dedicated Special Audio Input block with input ports
for microphone and advanced analog line-in. The built-in
audio mixer allows for free mixing of the microphone or the
advanced analog line-in and the de-embedded audio from
one of the input HDMI signals.
Audio ports of the built-in audio mixer
Advanced audio properties of the audio ports are available in Audio Tab
section).
See more details about the advanced audio ports in section.
This model can receive audio from three type of sources:
▪ HDMI in or TPS in (embedded audio),
▪ Advanced audio input (AUX analog audio in),
▪ MIC in.
The output audio ports are:
▪ HDMI out: This is the embedded audio of the incoming video signal.
▪ Advanced audio output (AUX analog audio out): It contains three types of audio signal (see the picture
above). De-embedded audio from one of the incoming video (1x), the advanced analog audio (1x) and
the microphone (1x).
This model can receive audio from the sources below:
▪ HDMI in or TPS in (embedded audio),
▪ AUX analog audio I/O (configured as input): This port can be input or output, depending on the
configuration. In case of input, the audio will be embedded into the HDMI stream of the port besides
(HDMI In 5 or HDMI In 6).
Port diagram of the AUX analog audio I/O
▪ Advanced audio input (AUX analog audio in),
▪ MIC in.
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