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Old 01-25-2018, 05:36 AM
pm mastering studio's Avatar
pm mastering studio pm mastering studio is offline
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Default Lowest H/W Buffer Size on Mac Pro with HDX ?

Hi guys,

I just bought an Mac Pro (late 2013) and was installing my HDX card into the MAGMA EB3T box.

Running ProTools 2018.1 and going to the Playback engine, the lowest H/W Buffer size I can choose is 64 Samples.
Is this correct ? Why no 32 Samples like my USB Scarlet 18i6 ?
does it mean I have more latency ?

Philippe M.
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Philippe Meiresonne
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http://www.pm-mastering-studio.com

SYSTEM 1 : Main recording - HDX MAC Pro 2023 M2 Ultra Running Sonoma 14.4
ProTools Ultimate 2024.3.1| 1xHDX Card | Mac Pro M2 Ultra 128Ram 2TB|2x PRE |2x Audient PRE 880| 1x Avid 96 |1x Avid 192 I/O 16/16 Analogue | 1x Avid HD I/0 16/16 Analgue | Avid MTRX Studio + Thunderbolt 3 Interface
Midi I/O | D-Command ES +16 fader Pack | Xmon | Eleven Rack + Dolby Atmos 7.1.4 Surround Adam S3H speaker System

System 2 : Project System - ProTools CARBON Running Sonoma 14.4
MacStudio M2 Ultra |64 GB RAM | ProTools 2024.3 Ultimate/Studio | SSL2+ | AVID S1+DOCK + ProTools|Carbon + ProTools|Carbon PRE

System 3 : Dolby Atmos Renderer Running Sonoma 14.4
MacMini M2 Pro |16 GB RAM | Avid MTRX Studio (Thunderbolt3)
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Old 01-25-2018, 09:33 AM
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YYR123 YYR123 is offline
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Default Re: Lowest H/W Buffer Size on Mac Pro with HDX ?

I would suggest a few threads to grasp what is happening here.

http://duc.avid.com/showthread.php?t=379253

http://duc.avid.com/showthread.php?t=360713



I am no expert and have just recently upgraded as well....I would say no but I can't really prove that with data.

You definately win with HDX when you consider tracking with (AAX-DSP) plugins.
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HDX - PT12.5.1 - HD I/O 16x8x8
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http://www.sknoteaudio.com/ plugins rock and are affordable.
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  #3  
Old 01-25-2018, 12:16 PM
WernerF WernerF is offline
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Default Re: Lowest H/W Buffer Size on Mac Pro with HDX ?

The buffer setting has no impact on latency on a DSP based system. Check out the threads that YYR123 has suggested.
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  #4  
Old 01-26-2018, 11:36 PM
pm mastering studio's Avatar
pm mastering studio pm mastering studio is offline
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Default Re: Lowest H/W Buffer Size on Mac Pro with HDX ?

thanks all for the info
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Philippe Meiresonne
(Belgium)

http://www.pm-mastering-studio.com

SYSTEM 1 : Main recording - HDX MAC Pro 2023 M2 Ultra Running Sonoma 14.4
ProTools Ultimate 2024.3.1| 1xHDX Card | Mac Pro M2 Ultra 128Ram 2TB|2x PRE |2x Audient PRE 880| 1x Avid 96 |1x Avid 192 I/O 16/16 Analogue | 1x Avid HD I/0 16/16 Analgue | Avid MTRX Studio + Thunderbolt 3 Interface
Midi I/O | D-Command ES +16 fader Pack | Xmon | Eleven Rack + Dolby Atmos 7.1.4 Surround Adam S3H speaker System

System 2 : Project System - ProTools CARBON Running Sonoma 14.4
MacStudio M2 Ultra |64 GB RAM | ProTools 2024.3 Ultimate/Studio | SSL2+ | AVID S1+DOCK + ProTools|Carbon + ProTools|Carbon PRE

System 3 : Dolby Atmos Renderer Running Sonoma 14.4
MacMini M2 Pro |16 GB RAM | Avid MTRX Studio (Thunderbolt3)
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