Where should down mixing occur? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 3 Old 11-16-2019, 02:12 PM - Thread Starter
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Where should down mixing occur?

Hi, I just moved into a new space and decided to re-purpose my 5.1 setup to be a 2 Channel setup.

My setup looks as follows:

Xbox One -- HDMI --> LG C9 OLED TV
Fios TV One -- HDMI --> LG C9 OLED TV

LG C9 OLED TV -- Optical Audio --> Sony STR-K7000 Receiver (that was part of the Sony HT-7000DH home theater system)

Sony STR-K7000 Receiver (in 2CH mode) to 2.1 Speakers


I'm wondering if I should set Stereo in the 2 sources (Xbox One / Fios TV One), Stereo on the TV, or leave it to the Receiver to down mix the signal?
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post #2 of 3 Old 11-16-2019, 02:14 PM - Thread Starter
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I forgot to mention, the receiver manual has the following language regarding the 2CH mode:
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post #3 of 3 Old 11-17-2019, 04:24 AM
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I don't think it matters too much. I use an Anthem MRX-520 5.1 receiver as a two channel device connecting to it an Oppo 203 and 95. I let the Anthem down mix from HDMI. For analog to my headphone amp, I must have the Oppo down mix and go into those settings to set that.

For your setup with HDMI and optical, let the receiver do it. Probably the simplest method. It knows how many speakers are hooked up and does it automatically without having to go into settings.

Supercharged Song Towers, Oppo BDP-203, Anthem MRX-520, LG B6 OLED
Headphone Rig: Oppo BDP-95, Burson Audio Soloist MKII Headphone amp/ Sennheiser HD800S, Sennheiser HD650
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