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7. When I set an audio amplifier (AV receiver) between TV and the matrix to extract 7.1ch audio, but why
there is still no audio?
Basically, the default DIP switch setting of the chosen input can support 7.1ch audio, but the problem is
that the EDID of the amplifier still cannot match the default setting. Therefore, the best method is to learn
EDID from the amplifier directly. Please refer to EDID LEARNING section and follow the steps to learn the
EDID. When learning EDID from the amplifier, user just needs to connect the matrix and amplifier. Please
don’t connect HDMI cable between amplifier and TV when the EDID learning is proceeding.
8. When I play the same content upon multi-displays, why only the TV equipped with amplifier can have
7.1ch audio, and the others don’t have 7.1ch audio even no stereo?
Due to the limitation of HDMI, the source only can choose one video and one audio format to play, which
can be either 1080p and 7.1ch or 1080p and stereo audio. It means when the user sets the matrix at
1080p and 7.1ch, the source will only play the content under this format. Therefore if the TV cannot
decode 7.1ch audio, there is definitely no audio.
9. Is there an easier method that can allow this matrix switcher to work properly?
Please refer to the third method of EDID learning to switch among different default EDID profiles at the
remote side. Through the switching from 1st to 5th default EDID profile, stay with the one that can get the
audio and video as you wish.
10. I have tried every method above, why there is still no audio anyway?
It is because the media player cannot recognize the EDID of the display. Therefore please adjust the DIP
switch of this input to EDID Learning & Stereo Mode to have audio properly.
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