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Audio Dropouts with New (2018) Mac Mini [Solved -- Time Machine]
Awesome Donkey:
--- Quote from: Dennis in FL on May 13, 2019, 04:18:20 pm ---I changed to DSD 1X (4X) didn't work) and DSD bitstreaming.....so far the playback is perfect. I need to give it more like an hour long test.
--- End quote ---
Which would confirm my thought, the Mac isn't capable of handling DSD-to-PCM conversions on-the-fly without issues.
Also using DSP Studio's Output Format > Output Encoding set to DSD 1X, 2X or 4X would invoke a conversion process (in the case of resampling DSD 1X to let's say 2X or 4X will always go through a DSD > PCM > DSD conversion with a PCM stage always in the middle) and you'd probably experience the dropouts because the Mac hardware isn't capable of handling it on-the-fly.
Dennis in FL:
I guess it boils down to the MC default settings for a MAC. Which is where I was last week.
So output encoding to the DAC should be NONE?
Note that NONE is also recommended as the choice for bistreaming.
I have it as dsd
The iMac I have is decent - an i7 quad core at 4GHz wtih 32GB memory
MSchott:
--- Quote from: Dennis in FL on May 13, 2019, 04:18:20 pm ---I have a ESS Sabre32 Reference ES9018-K2M DAC chip (Supports PCM audio up to 384 kHz / 32-bit, DSD audio up to 12 MHz (DSD256 or DSD4x) ) on USB
I changed to DSD 1X (4X) didn't work) and DSD bitstreaming.....so far the playback is perfect. I need to give it more like an hour long test.
Previously I had Core Out (imac) toslink or the above to my receiver with none/none
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Can you please list the steps to make this change? I changed Output Encoding to DSD in DoP format and also to DSD Bitstreaming. Is this correct?
Dennis in FL:
That's what I did also. I originally had encoding to none but I got an error on one file. I changed it back to DSD 1x. I assumed that goes directly to the DAC chip but one of the subsequent errors I got was Core Audio related. I am still a novice here and have been spending a lot of time since getting MC last month on this one problem.
I hope these settings are the correct ones.
Awesome Donkey:
If DSD bitstreaming works for you, I'd recommend set output encoding as none and let DSD be bitstreamed and PCM to playback as PCM without any conversion. This way you avoid any conversions, and with no conversions, less chance of dropouts (or they may be eliminated completely).
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