Audio Interface; Mmx8X4-Ht400Mc; Mmx8X4-Ht420M - Lightware MMX8x4-HT420M User Manual

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5. Device Concept
5.4. Audio Interface
The table below shows the number of the audio signals and connector types by model.
Summary of Audio Interface
Model

MMX8x4-HT400MC

MMX8x4-HT420M

MMX8x8-HDMI-4K-A
MMX8x8-HDMI-4K-A-USB20
Model
MMX8x4-HT400MC
MMX8x4-HT420M
MMX8x8-HDMI-4K-A
MMX8x8-HDMI-4K-A-USB20
Input or output, depending on the configuration. Sum of the analog audio inputs and outputs is two.
1
Input or output, depending on the configuration. Sum of the analog audio inputs and outputs is six.
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 inputs
Analog Advanced
HDMI input TPS input
audio input analog audio input
4x 4x -
4x 4x 2x 1
8x - 6x
2
8x - 6x
2
Audio outputs
Analog
HDMI output TPS output
audio output
4x - -
2x 2x 2x 1
8x - 6x
2
8x - 6x
2
Audio ports of the built-in audio mixer
MMX8x4-HT series – User's Manual
Advanced audio properties of the audio ports are available in
Software (LDC) or via LW3 control protocol (in
See more details about the advanced audio ports in
5.4.1. MMX8x4-HT400MC
This model can receive audio from three type of sources:
MIC
▪
input
▪
1x 1x
▪
1x 1x
The output audio ports are:
- -
▪
- -
▪
Advanced
5.4.2. MMX8x4-HT420M
analog audio output
This model can receive audio from the sources below:
1x
▪
1x
▪
-
-
▪
▪
Applied firmware package: v1.3.0 | LDC software: v2.4.2
LW3 Programmers' Reference
Rear View
HDMI in or TPS in (embedded audio),
Advanced audio input (AUX analog audio in),
MIC in.
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).
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.
41
Audio Tab in Lightware Device Controller
section).
section.