Page 20 / 119 Section 4. TPS matrix concept
4.2. Audio interface
4.2.1. Audio inputs and modes
The matrix can receive audio from two type of sources:
Embedded (4x HDMI and 2x HDBaseT in) and
Analog balanced stereo audio sources (4x).
The audio coming from the analog inputs can be assigned to any video input or output. The
volume/gain levels of the analog audio input/output ports are adjustable.
Input audio modes
ATTENTION!
Input audio modes are valid if the output audio mode is set to Passthrough mode.
Embedded: The original audio of the HDMI signal is embedded in the video stream.
AUX1...AUX4: Auxiliary audio is embedded in the video stream.
Output audio modes
ATTENTION!
The output audio modes can override the input audio mode when it is Aux1...Aux4.
Pass Through: This mode allows the input to set the Audio source.
AUX1...AUX4: In this mode Aux1...Aux4 is locked to the output. The input cannot
modify this audio source. Always this source will be selected.
Copy from other output: the same audio as present on the other output.
Audio options – example
Figure 4-3. Audio selection
The concept
The same audio is present on the TPS and Audio outputs. The desired source can be
switched to the outputs: the Mp3 player or the Blu-ray player. In both cases, the video signal
is coming from the Blu-ray player.
Settings (matrix)
If the HDMI audio (Blu-ray) is switched to the outputs:
HDMI input properties: Signal source set to Embedded.
HDMI output properties: Signal source set to Passthrough.
If the Microphone is switched to the outputs:
HDMI input properties: Signal source set to AUXn.
HDMI output properties: Signal source set to Passthrough or AUXn.
See the settings in section 6.4.10 on page 51.
INFO
The input audio modes are valid if the output audio mode is set to Passthrough mode.
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