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Topic: How can I get sound on all speakers?
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Joined: May 14, 2017
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Hello AV_Integrated or anyone else, I have an HDMI from my desktop to my projector and I want to have a 3.5mm cable plugged into my headphones out on my computer and the other end as RCA plugged into the RCA in on my home theatre console. The home theatre is a 5.1 surround with 4 surround speakers, a woofer and another speaker.

When I play movie files on my computer with the above setup, can I get audio on all six speakers? I am not keen on actual surround but I just want audio on all the speakers. What do I need to do to achieve this?

From what I read with the above setup, audio will typically be heard from all the speakers.

Please advise.
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Joined: Mar 28, 2005
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The ability to process audio to all your speakers depends entirely on the make and model of your surround sound system, not on much else.

If you are feeding from your PC to the surround system, then you may have a surround mode in the system which allows for 'all channel stereo' or similar where it automatically mixes stereo audio out to all five speakers in the system. With proper setup, it will also play audio to the woofer. I imagine this is automatic.

If you are feeding it basic stereo audio, then you completely ruin the sound of the movie by playing through all the speakers. There is a ton of information out there about this, but the point of surround sound is to create immersion in a movie, not just play a lot of stuff everywhere in the room. While it's up to you how you do things, if the goal is to recreate the theatrical experience, with the best results possible, then this is very much not the way to do it.

I typically use 'multi-channel-stereo' for when I want to fill my home with music. But, when I'm watching movies, I try to get the best possible sound I can using the director's intended surround sound mix. This means, HDMI into and out of my AV receiver, then onto my projector. Then I have my 5.1 surround sound audio around the couch with a calibration which was done with the included microphone.
AV Integrated - Theater, whole house audio, and technology consultation during the build and installation process in the Washington, DC metropolitan area.
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Joined: May 14, 2017
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Much appreciated for your reply!