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Author Topic: remapping channels  (Read 505 times)

mlknez

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remapping channels
« on: December 07, 2020, 01:21:54 pm »

In my multichannel setup, channel:

1 - Front left
2 - Front right
3 - Center
4 - Subwoofer
5 - Surround left
6 - Surround right
7 - Surround back left
8 - Surround back right

A few of the commercial recordings that i have, do not apparently correspond to this standard.  Is there a way to remap channels and perhaps create a zone for playing recordings that have a different channel mapping?
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mattkhan

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Re: remapping channels
« Reply #1 on: December 07, 2020, 01:36:52 pm »

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mlknez

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Re: remapping channels
« Reply #2 on: December 07, 2020, 02:18:10 pm »

thank you for the quick reply.

So would I

1. Create a new zone
2. On the new zone, go to dsp studio and enable parametric equalizer 2
3. Add "order channels"
4. Drag into the order i want where top = 1, bottom = 8
5. Save

Then anytime i wanted to play with the channels assigned, just play the files using that zone?
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Media Room: LG OLED83C1, Marantz AV8805A, Sherbourn 7/2100, Benchmark AHB2, Studer A80, Studer Revox b795, Nakamichi RX-202, HTPC, exaSound e38, Sweetvinyl Sugarcube SC-2, Silicondust HDHomeRun Flex 4k, Spectrum Cable DVR, Fire Cube TV 4k, 2x Piega P10, Piega Coax Center, 8x Piega AP 1.2, Hsu VTF-15h mk2

Office: Emotiva mini-x A100, Geek Pulse, 2x KEF LS-50, Goldenear FF 4, PC, NAS 180TB

Bedroom: LG OLED48A2, Marantz NR1200, Mini-HTPC, 2x Elac Uni-Fi UB5

Game/Exercise Room: LG OLED65C7, PS3, Xbox One, Creative Labs Sound Blaster Katana, Edison C150

wer

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Re: remapping channels
« Reply #3 on: December 07, 2020, 02:44:47 pm »

Yes, except when creating a new zone, you can copy an existing one to preserve your other current settings.

Also, you should google "jriver zoneswitch".  ZoneSwitch will automatically direct the playback of files through particular zones based on tags/metadata.

So if you can identify the files that require this treatment, just tag them accordingly, and use that tag as a zoneswitch rule. Then you won't have to think about it.
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mlknez

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Re: remapping channels
« Reply #4 on: December 08, 2020, 03:45:11 pm »

The album that I tested was the Doobie Brothers Captain and Me in Quadrophonic.  With a standard mapping, it outputs

Left Front
Right Front
Center
Subwoofer

instead of
Left Front
Right Front
Left Surround
Right Surround

I did the reorder, but it doesn't work.  It never uses any channel numbers higher than 4.  So that reordering just moves around what speaker is assigned to channels 1,2,3 and 4.  I wanted to use channels 1,2,5 and 6.  Is there any way to accomplish that?
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Media Room: LG OLED83C1, Marantz AV8805A, Sherbourn 7/2100, Benchmark AHB2, Studer A80, Studer Revox b795, Nakamichi RX-202, HTPC, exaSound e38, Sweetvinyl Sugarcube SC-2, Silicondust HDHomeRun Flex 4k, Spectrum Cable DVR, Fire Cube TV 4k, 2x Piega P10, Piega Coax Center, 8x Piega AP 1.2, Hsu VTF-15h mk2

Office: Emotiva mini-x A100, Geek Pulse, 2x KEF LS-50, Goldenear FF 4, PC, NAS 180TB

Bedroom: LG OLED48A2, Marantz NR1200, Mini-HTPC, 2x Elac Uni-Fi UB5

Game/Exercise Room: LG OLED65C7, PS3, Xbox One, Creative Labs Sound Blaster Katana, Edison C150

wer

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Re: remapping channels
« Reply #5 on: December 08, 2020, 04:02:03 pm »

I'm guessing you either have Output Format disabled, or set to Source Number of Channels.  If so, and you play a 4-channel source, then the output stream will, by definition, be 4 channels, and channel 5 doesn't exist in that 4-channel stream.

Try setting Output Format Channels to 5.1 or 7.1.  Also select No up-mixing or down-mixing. Channels without content will contain silence.

Then, in Parametric Equalizer, use the Mix Channels function with the mode=Move to accomplish what you want. So for example, you would move Center to Left Surround.
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whoareyou

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Re: remapping channels
« Reply #6 on: December 08, 2020, 04:40:19 pm »


As WER said, setting to 5.1 with no upmix or downmix should channel map the 4.0 formats properly.  If you leave the setting as upmix, you will get a properly channel mapped 5.1 version mixed for you by JRiver.

I'm really chiming in to point you to a more extensive channel mapping discussion that I found helpful (when I ran into the same issue).
So, if you are interested.....
https://yabb.jriver.com/interact/index.php/topic,114295.0.html

Bottom line is that setting to something like 5.1 should take care of your issue. 
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