| ATMOS ROOM CORRECTION AND FOLD DOWNS [message #88294] |
Thu, 07 July 2022 13:01  |
demetrievdox
Messages: 9
Registered: July 2022
Location: LA
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Junior Member |
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I just got my first Metric Halo interface: LIO 8 and working on setting it up for use with POST and MUSIC mixing in HT ATMOS (BOTH BASS MANAGED AND FULL RANGE), 5.1, and Stereo. I want to accomplish 2 things with the DSP graphs:
1- Fold down ATMOS 7.1.4 to 5.1.2 (since format not supported by Dolby DAPS or Metric Halo)
2- Perform room correction (eq, delay, phase correction)
1- The fold down is pretty straight forward just emulate what downmixer plugin would do going from 7.1 to 5.1 .. Fold side surrounds into rear surrounds @-3db, and then fold rear tops into front tops @-3db. I think this is the best way to do it but let me know if someone has a better idea. I used volume control linear with -3db setting.
2- Room correction: complicated topic and I've never calibrated an ATMOS room before so not sure if my chosen DSP signal flow and chosen tools are the best way to do it. Please help me understand what could be better about this design:
SIGNAL FLOW- PT host outputs 7.1 beds + objects > Dolby DAPS 7.1.4 > MH MC source 7.1.4 > MC output graph folds 7.1.4 to 5.1.2 > DSP GRAPHS ROOM CORRECTION > ANALOG OUT TO SPEAKERS
ROOM CORRECTION SIGNAL FLOW IS: INPUT > BAND SPLIT > EQ CORRECTION VIA SONIC EQ > PHASE CORRECTION VIA MIO ALLPASS VD, SPEAKER DELAY CORRECTION VIA MIO DELAY (1K)
ATTCHED IS A SCREEN SHOT OF MY MONITOR GRAPH
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| Re: ATMOS ROOM CORRECTION AND FOLD DOWNS [message #88300 is a reply to message #88299] |
Sat, 09 July 2022 03:39  |
demetrievdox
Messages: 9
Registered: July 2022
Location: LA
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Junior Member |
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Thanks for the tips so far, BUT if I use the delays on the monitor out will those be PRE or POST DSP+ blocks? I need delays last or it screws up bass management.
Im having lots of problems getting this software all set up:
1. Can't figure out why pre 9 and 10 (to host output) can't be used ever even if i delete all tracks and start fresh.. skips those and assigns from 11 onwards??
2. can't barely use any plugins.. I have 13 MH channelstrips, 1 halo verb and 1 dirty delay and the DSP is maxed out (monitor paths and DSP+ eating some up but seems like a very small amount of DSP available on this box. Maybe I'm missing some obscure setting that will help?
3. monitor source individual channel trims do nothing.. have no effect.. only gobal trim works, but if the global trim is used at all causes glitches in monitor level (if i assign +6db of global trim the monitor level jumps to -6 on source change and that becomes the max level available.. bug i suspect.
I didn't realize this software was so unfinished.. there are lots of major problems that make using this system VERY difficult:
-lots of GUI glitches with mixer and popup routing windows
-monitor controller window displays sources and outputs tiny once you have more than 4.. nearly impossible to read names.. should cascade into rows when window is stretched.
-reordering monitor sources and outputs is impossible, must delete all and start over
-no numeric peak level readout on mixer channels
-no numeric pan setting readout (pan should not default to middle of the room in 5.1, should default to C like pro tools)
-no send follows main pan
-no pre/post on aux sends, no send mute
-i/o buss routing on insert doesnt work at all (buss routing not an option)
-input strip assign to host is automatic and if you need to change order you must start over from scratch
-DSP+ block connecting has no copy and paste, must add every single block 1 at a time
-no matric router
-no edge card meters, no AES meters, analog meters are horrible
[Updated on: Sat, 09 July 2022 12:58] Report message to a moderator |
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| Re: ATMOS ROOM CORRECTION AND FOLD DOWNS [message #88309 is a reply to message #88305] |
Wed, 13 July 2022 03:53 |
demetrievdox
Messages: 9
Registered: July 2022
Location: LA
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Junior Member |
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Thank you for all the details, this was very helpful.
1- the to host pre 9 -10 issue got resolved only by selecting 9 and 10 as a direct out on some other strip and then un-assigning it.. then they showed up again in the to host as available.. bug but not sure how to recreate it.. will monitor
2- all work for me is 48k 24b- and even with a basic stereo mixing setup..only 5 input strips with no plugins or graph inserts only direct outs to host record, 0 auxes, 0 buses, and a stereo monitor source and output (2 mono sonic eq for room eq) ... I'm already running at 50% DSP! how is that possible.. not even using anything hardly.. 2 mono eq's. coming from an antelope audio interfaces with DSP I always was impressed with how much DSP I had available.. this box seems to not even have enough for a small track count 48k session.
I built a basic music tracking session with 20 tracks total i couldnt even get 1 channelstrip plugin per track.. I was only only able to get about 13. can't even accomplish the basics i need.
3. i'm looking forward to talking to someone from support about some of these issues i'm having.
thanks again i really appreciate you taking time to help me. cheers
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