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  #1  
Old 10-25-2021, 11:06 PM
kw88keys kw88keys is offline
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Default Crunchy distortion with 002 rack

This has been an ongoing issue since PT 9 and on different computers (Windows 7 and 10) for a few years now. Just revisiting to get any insight.
ISSUE: After running for a period of time (from 1 - 3 days), the output from my 002 rack develops a crunchy type of distortion on analog signals (not MIDI tracks). The workaround is easy in that I change my buffer size to a different value, save, change back to the original size, save, and the distortion is gone.
I have the latest drivers for 002/003 and all system optimizations applied. I can only assume that it is associated with the 002. Anyone experience this or know a better solution? (aside from buying a better interface, which I know is the most recommended solution...) Thanks much. Kent
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  #2  
Old 10-26-2021, 07:26 AM
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Default Re: Crunchy distortion with 002 rack

Its more likely that its a computer issue(changing the buffer does not affect the hardware), but you give zero details on that. Look near the top of this page for a link named Help Us Help You and have a good read. Then come back with a Sandra report so the experts here can see all the details on the computer
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  #3  
Old 10-26-2021, 03:13 PM
kw88keys kw88keys is offline
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Default Re: Crunchy distortion with 002 rack

Hello and thanks for response. My initial thought was perhaps not the computer since this has been a recurring issue on two different computer builds of the past few years. However, I should not make that assumption!
Here is the Sandra Report. Incidentally, PT runs Great on this computer - very fast with low (less than 8% Max) CPU usage.

ID
Host Name : DESKTOP-E38N6KR
Workgroup : WORKGROUP

Computer
Model : MicroElectronics G900 PowerSpec
Serial Number : G900052*******
Chassis : Default string Desktop
Mainboard : ASUS TUF GAMING X570-PLUS (WI-FI)
Serial Number : 2101797********
BIOS : AMI (OEM) 3402 01/13/2021
TPM - Trusted Platform Module : AMD 2.0 2018 (24PCR 64Ses 2Obj)
Total Memory : 32GB DDR4

Processors
Processor : AMD Ryzen 9 5900X 12-Core Processor (2M 12C 24T 4.62GHz, 1.6GHz IMC, 12x 512kB L2, 2x 32MB L3)
Socket/Slot : AM4 (PGA1331)

Chipset
Memory Controller : AMD F19 (Ryzen3/TR3 Matisse) Host Bridge 16x 100MHz (1.6GHz), 2x 8GB DDR4 3.2GHz 128-bit

Memory Module(s)
Memory Module : (Bad)/Hynix (Hyundai) NMUD416E86-3200D 16GB DDR4 2Rx8 PC4-25600U DDR4-3200 (17-17-17-38 4-58-19-6)
Memory Module : (Bad)/Hynix (Hyundai) NMUD416E86-3200D 16GB DDR4 2Rx8 PC4-25600U DDR4-3200 (17-17-17-38 4-58-19-6)

Video System
Monitor/Panel : HPN HP 27w
(1920x1080, 27.2")
Monitor/Panel : Hewlett Packard HP 27es
(1920x1080, 27.2")
Video Adapter : NVIDIA GeForce GT 710 (192S 1C SM5.5 953MHz, 512kB L2, 2GB 1.8GHz 64-bit, PCIe 2.0 x8)
Video Adapter : NVIDIA GeForce GT 710 (192S 1C SM5.5 953MHz, 512kB L2, 2GB 1.8GHz 64-bit, PCIe 2.0 x8)

Graphics Processor
CUDA : NVIDIA GeForce GT 710 (192S 1C SM3.5 953MHz, 512kB L2, 2GB 1.8GHz 64-bit)
OpenCL : NVIDIA GeForce GT 710 (192S 1C SM1.2 953MHz, 512kB L2, 2GB 1.8GHz 64-bit)
D3D 11 : NVIDIA GeForce GT 710 (192S 1C SM11.5 953MHz, 512kB L2, 2GB 1.8GHz 64-bit)
OpenGL : NVIDIA Corporation GeForce GT 710/PCIe/SSE2 (2GB)
OpenGL : NVIDIA Corporation GeForce GT 710/PCIe/SSE2 (2GB)

Storage Devices
Disk : Samsung SSD 870 EVO 2TB (2TB, SATA600, 2.5", SSD, SED)
Disk : Samsung SSD 870 EVO 2TB (2TB, SATA600, 2.5", SSD, SED)
Disk : WDC WDS200T2B0C-00PXH0 (2TB, PCIe3x4/NVMe)
Disk : Seagate ST5000DM000-1FK178 (5TB, USB3/SATA300/600, 3.5", 5980rpm, 16MB Cache)

Logical Storage Devices
Song Recordings (D:) : 2TB (NTFS, 4kB) @ Samsung SSD 870 EVO 2TB (2TB, SATA600, 2.5", SSD, SED)
VI Files (E:) : 2TB (NTFS, 4kB) @ Samsung SSD 870 EVO 2TB (2TB, SATA600, 2.5", SSD, SED)
Windows (C:) : 2TB (NTFS, 4kB) @ WDC WDS200T2B0C-00PXH0 (2TB, PCIe3x4/NVMe)
Windows RE tools : 400MB (NTFS, 4kB) @ WDC WDS200T2B0C-00PXH0 (2TB, PCIe3x4/NVMe)
Seagate Expansion Drive (F:) : 5TB (NTFS, 4kB) @ Seagate ST5000DM000-1FK178 (5TB, USB3/SATA300/600, 3.5", 5980rpm, 16MB Cache)
SYSTEM : 252MB (FAT32, 2kB) @ WDC WDS200T2B0C-00PXH0 (2TB, PCIe3x4/NVMe)

Peripherals
LPC Hub Controller : ASUS FCH LPC Bridge
Audio Device : MSI GK208 HDMI/DP Audio Controller
Audio Codec : nVidia nForce4 ISA Bridge
Audio Device : ASUS F17/19 (Ryzen2/3, TR/2) HD Audio Controller
Audio Codec : Realtek Semi 0B00
Disk Controller : Sandisk Standard NVM Express Controller
Disk Controller : AMD FCH SATA Controller [AHCI mode]
Disk Controller : AMD FCH SATA Controller [AHCI mode]
USB Controller : ASUS F19 (Ryzen3/TR3 Matisse) USB 3.0 Host Controller
USB Controller : AMD F19 (Ryzen3/TR3 Matisse) USB 3.0 Host Controller
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  #4  
Old 10-27-2021, 07:54 AM
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albee1952 albee1952 is offline
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Default Re: Crunchy distortion with 002 rack

Memory Module : (Bad)/Hynix (Hyundai) NMUD416E86-3200D 16GB DDR4 2Rx8 PC4-25600U DDR4-3200 (17-17-17-38 4-58-19-6)
Memory Module : (Bad)/Hynix (Hyundai) NMUD416E86-3200D 16GB DDR4 2Rx8 PC4-25600U DDR4-3200 (17-17-17-38 4-58-19-6)

Why does this show Bad?

Seagate Expansion Drive (F:) : 5TB (NTFS, 4kB) @ Seagate ST5000DM000-1FK178 (5TB, USB3/SATA300/600, 3.5", 5980rpm, 16MB Cache)
Try leaving this drive disconnected when running Pro Tools

I don't see a firewire controller on the report(which confuses me). You might try another driver. Avid recommends using the Legacy driver, which never worked for me. The one that did work(with my 003) was the TI Compliant driver(check youtube for some help on how to change the firewire driver).

If all else fails, shop for a USB interface(Focusrite and Presonus have several options at many price points). Firewire is rapidly going the way of the dinosaur
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  #5  
Old 10-27-2021, 07:56 AM
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albee1952 albee1952 is offline
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Default Re: Crunchy distortion with 002 rack

BTW, since you have the 002rack, you might as well do a re-seat on the power harness. Pop the top off. With the unit facing you, the PSU is on the right side panel with a bundle of maybe 10-12 wires connected to one end. That's the power harness and it has 3 connection points. Pull and reseat each connection at least 6 times(to scrape off oxidation on the pins). Can't say its the solution, but you never know
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  #6  
Old 10-27-2021, 05:03 PM
kw88keys kw88keys is offline
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Default Re: Crunchy distortion with 002 rack

Quote:
Originally Posted by albee1952 View Post
BTW, since you have the 002rack, you might as well do a re-seat on the power harness. Pop the top off. With the unit facing you, the PSU is on the right side panel with a bundle of maybe 10-12 wires connected to one end. That's the power harness and it has 3 connection points. Pull and reseat each connection at least 6 times(to scrape off oxidation on the pins). Can't say its the solution, but you never know
Thank you VERY much for the insightful evaluation and suggestions!! I will look into all of these. I was also wondering about changing the firewire cable. It is probably over 10 years old.
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  #7  
Old 11-01-2021, 04:02 AM
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Default Re: Crunchy distortion with 002 rack

Okay, challenge accepted.

Distortion here can be caused of bad memory, bad firewire, or bad external clocking. Assuming you are troubleshooting 002 only (with internal clocking) that leaves only two options.

First try another firewire cable. If it fixes internal clocking that is your easiest and cheapest fix.

If it does not work, listen to Darryl and replace your ram modules.

This is oversimplification of course, but try these first before asking further advise.


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  #8  
Old 11-01-2021, 04:13 AM
kw88keys kw88keys is offline
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Default Re: Crunchy distortion with 002 rack

Thank you everyone for the valued input. The comments about the firewire cable appear to be spot-on. Since changing the cable the distortion issues have gone away with the 002. The advise to look at upgrading my audio interface were taken to heart and I am looking forward to trying out the new focusrite scarlett 18i20 3rd gen interface I have on order. With the added knowledge of the DIMM alerts, I am on the lookout for issues that may result from this and will know what to address if/when problems occur.
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  #9  
Old 12-04-2021, 07:01 PM
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Default Re: Crunchy distortion with 002 rack

Quote:
Originally Posted by kw88keys View Post
... comments about the firewire cable appear to be spot-on. Since changing the cable the distortion issues have gone away ...
cool
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  #10  
Old 12-04-2021, 08:19 PM
kw88keys kw88keys is offline
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Default Re: Crunchy distortion with 002 rack

Quote:
Originally Posted by EGS View Post
cool
Update: I now have the focusrite scarlett 18i20 3rd gen interface. Works flawlessly and sounds great. Easy set up also. All is well.
Though, after approx 15 years of use and LOTS of music, the Digi 002 still holds a place of silent respect and rest in my rack
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