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  #1  
Old 12-11-2007, 07:04 PM
beggehorn beggehorn is offline
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Default Glitches in audio after recording

This is a new issue that has started after upgrading to PT 7.4/7.4cs1. During recording, audio sounds fine but upon playback, gltches sometimes appear in the audio (zooming in on the waveform also shows the glitches and spikes). It sounds very similar to a clocking issue, except that here, I have only one 192IO and it is clocked internally. The ticks vary in amplitude but at times seem evenly spaced with no relation to the session tempo and if I immediately re-record the section, I get a clean recording. The problem is sporadic and unpredicatable but once it starts it tends to happen more frequently. No other sync or digital devices are being used. I've run DigiTest on both my core and accel card (both passed). I've also checked and re-checked cabling to make sure my 192IO connection to my core card is secure.

I realize that this may be a hardware issue but thought I'd share my experience here to see if anyone has seen anything like this.

Thanks all,

Ben

WinXP Pro SP2
HD2 Accel
PT 7.4cs1
192 IO (w/ extra AD card)
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  #2  
Old 12-12-2007, 07:43 PM
beggehorn beggehorn is offline
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Default Re: Glitches in audio after recording

Did some more investigating with this...

On one of the sessions I experienced this in, I noticed the glitches appear very close to the bar lines on the grid (but not exactly on, there is a bit of drift). I also noticed that there are very similar glitches (at the same times) on an alternate take on the smae tracks (mutitracked drums, in this case). I don't see how this could happen unless it was witin the PT hardware/software environment.

Digi, any thing else I can do to test my hardware?

Ben
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  #3  
Old 12-16-2008, 07:46 PM
Ryan Hafer Ryan Hafer is offline
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Default Re: Glitches in audio after recording

Sorry for resurrecting this about a year later, and sorry for the long post coming....

I just developed the same problem. I've been using an HD1 and recently changed a motherboard to accommodate another Accel card on it's way.
I haven't installed the card yet, so it's still HD1.
I noticed this because a regular client I've had for years came in for a regular session, first one on this new mobo. He's a classical guitarist. Comes in, plays for about an hour or 2 non-stop while i'm just recording and taking notes. Always rolling and not stopping record unless he needs a break. Everything went fine. He left and was to come back the next day after I compiled a CD of takes and versions. While I was prepping the CD, I noticed after about 30 min of recording, glitches appeared in the recording, viewable in the waveforms, that were DEFINITELY not audible while tracking and monitoring the recording.
I've done several tests, driver updates, drive swaps, HD card slot swaps, bios updates, overclock, underclock, etc, and can't track it down.
The glitches appear after some time, between 20min to an hour of constant recording, and are then consistently appearing a little more than every second. Everytime they are not audible while tracking, but definitely afterwards in playback, and viewable in the waveforms.
The tests I've been doing have been a signal generator on an Aux track, bussed out to an audio track bus input and recording various numbers of tracks.

The motherboard is an Asus P5QL-E, Intel Q6600, 4GB DDR2 1066, P43 chipset, ICH10R, HD1 Accel PCIe, 192io.

Here's the kicker, I ran the test in Nuendo 3 that's installed on this machine also, using the Digi ASIO driver and it was perfectly glitch free.....
The previous system did not have this problem since the client I noticed this with has been coming in for years, several sessions a month, and this has not happened.
I belive it's something in how the HD card is interacting with the SATA bus in how the data is getting written to the drive.

Anyhow, any ideas anyone?
I have a new mobo on order - an Asus P5Q that has the P45 chipset and is supposedly a bit more robust. We'll see how that goes....

Thanks in advance for any insight.

Peace,
Ryan
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  #4  
Old 12-17-2008, 08:23 AM
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DigiTechSupt DigiTechSupt is offline
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Default Re: Glitches in audio after recording

Please post a Sandra report, per the info in the General Troubleshooting thread, so we can see exactly what we're working with. You may also want to look through that thread to see if any of the optimizations/troubleshooting may help you.
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  #5  
Old 12-17-2008, 01:27 PM
Ryan Hafer Ryan Hafer is offline
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Default Re: Glitches in audio after recording

Here goes the Sandra Report:
SiSoftware Sandra

System
Host Name : STUDIO
User : Ryan Hafer
Workgroup : SECRETNINJA

Processor
Model : Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
Speed : 2.40GHz
Cores per Processor : 4 Unit(s)
Threads per Core : 1 Unit(s)
Type : Quad-Core
Internal Data Cache : 4x 32kB, Synchronous, Write-Thru, 8-way, 64 byte line size
L2 On-board Cache : 2x 4MB, ECC, Synchronous, ATC, 16-way, 64 byte line size, 2 threads sharing

System
System : System manufacturer P5QL-E
Mainboard : ASUSTeK Computer INC. P5QL-E
Bus(es) : ISA PCI PCIe IMB USB i2c/SMBus
Multi-Processor (MP) Support : No
Multi-Processor Advanced PIC (APIC) : Yes
System BIOS : American Megatrends Inc. 0905
Total Memory : 3.25GB DIMM DDR3

Chipset
Model : ASUS P45/P43/G45/G43 DRAM Controller
Front Side Bus Speed : 4x 267MHz (1.07GHz)
Total Memory : 4GB DIMM DDR3
Memory Bus Speed : 2x 534MHz (1.07GHz)

Video System
Adapter : NVIDIA GeForce 8600 GT (256MB DDR3, 550MHz/1.28GHz/2x720MHz, PCIe 1.00 x16, PS3.0, VS3.0, 2 Heads)
Adapter : NVIDIA GeForce 8600 GT (256MB DDR3, 550MHz/1.28GHz/2x720MHz, PCIe 1.00 x16, PS3.0, VS3.0)

Graphics Processor
Adapter : GeForce 8600 GT (1.01, 256MB, 1.46GHz)

Storage Devices
ST3500320AS 500GB (SATA300, 3.5", NCQ) : 466GB (C:) (D:)
ST31000340AS 1TB (SATA300, 3.5", NCQ) : 932GB (E:) (F:)
PLEXTOR DVDR PX-760A (ATA66, DVD+-RW, CD-RW, 2MB Cache) : N/A (M:)

Logical Storage Devices
Windoze (C:) : 50GB (NTFS) @ ST3500320AS 500GB (SATA300, 3.5", NCQ)
Storage (D:) : 416GB (NTFS) @ ST3500320AS 500GB (SATA300, 3.5", NCQ)
Audio 1a (E:) : 466GB (NTFS) @ ST31000340AS 1TB (SATA300, 3.5", NCQ)
Audio 1b (F:) : 466GB (NTFS) @ ST31000340AS 1TB (SATA300, 3.5", NCQ)
CD-ROM/DVD (M:) : N/A @ PLEXTOR DVDR PX-760A (ATA66, DVD+-RW, CD-RW, 2MB Cache)
3.5" 1.44MB (A:) : N/A

Peripherals
LPC Hub Controller 1 : ASUS LPC Interface Controller
Disk Controller : ASUS 6 port SATA AHCI Controller
Disk Controller : ASUS JMB36X PCIE-to-SATAII/IDE RAID Controller
USB Controller 1 : ASUS USB UHCI Controller #4
USB Controller 2 : ASUS USB UHCI Controller #5
USB Controller 3 : ASUS USB UHCI Controller #6
USB Controller 4 : ASUS USB EHCI Controller #2
USB Controller 5 : ASUS USB UHCI Controller #1
USB Controller 6 : ASUS USB UHCI Controller #2
USB Controller 7 : ASUS USB UHCI Controller #3
USB Controller 8 : ASUS USB EHCI Controller #1
System SMBus Controller 1 : Intel 801xx/63xx SMBus

Printers and Faxes
Printer : HP PSC 1600 series (USB, Colour)

Network Services
Network Adapter : Atheros AR8121/AR8113/AR8114 PCI-E Ethernet Controller - Packet Scheduler Miniport (Ethernet, 100Mbps)

Power Management
Mains (AC) Line Status : On-Line

Operating System(s)
Windows System : Microsoft Windows XP Professional 5.01.2600 (Service Pack 3)
Platform Compliance : x86

-----------------
SiSoftware Sandra

System
Manufacturer : System manufacturer
Model : P5QL-E
Family : To Be Filled By O.E.M.
Version : System Version
Serial Number : System Serial Number
ID : 1E001B20-8901008C-2300036C-0E102854
SKU Number : To Be Filled By O.E.M.

System Chassis
Manufacturer : Chassis Manufacture
Type : Desktop
Can be locked : No
Version : Chassis Version
Power Cord(s) : 1
Serial Number : Chassis Serial Number
Asset Tag : Asset-1234567890
Boot-up State : Safe
Power State : Safe
Thermal State : Safe
Security State : External Interface Locked-out

Mainboard
Manufacturer : ASUSTeK Computer INC.
Multi-Processor (MP) Support : No
MPS Version : 1.40
Model : P5QL-E
Type : Mainboard
Version : Rev 2.xx
Serial Number : MS1C89B23U02717
Asset Tag : To Be Filled By O.E.M.
Location in Chassis : To Be Filled By O.E.M.
System BIOS : 64-0905-000001-00101111-120108-Eaglelake

System Mainboard Properties
Removable : No
Replaceable : Yes
Hot Swap : No

On-board Devices
Onboard Ethernet : Ethernet Adapter (Enabled)

System Memory Controller
Location : Mainboard
Error Correction Capability : None
Number of Memory Slots : 4
Maximum Installable Memory : 16GB
BANK0 - DIMM0 : Manufacturer00 ModulePartNumber00 SerNum00 AssetTagNum0 DIMM Synchronous DDR2 2GB/64 @ 1.07GHz
BANK1 - DIMM1 : Empty
BANK2 - DIMM2 : Manufacturer02 ModulePartNumber02 SerNum02 AssetTagNum2 DIMM Synchronous DDR2 2GB/64 @ 1.07GHz
BANK3 - DIMM3 : Empty

Chipset
Model : ASUS P45/P43/G45/G43 DRAM Controller
Revision : A4
Bus : Intel AGTL+
Independent FSB Channels : 1
Front Side Bus Speed : 4x 267MHz (1.07GHz)
Width : 64-bit
Crossfire Technology : Yes
I/O Queue Depth : 12 request(s)
Maximum Bus Bandwidth : 8.34GB/s

Features
TXT - Trust Execution Technology : Yes
ME - Management Engine : Yes
AMT - Active Management Technology : Yes
VT-d - Virtualisation Technology : Yes
EF - EastFork Technology : Yes
AP - Agent Presence : Yes
CB - Circuit Breaker : Yes
Auto Fan Speed Control : Yes

Chipset 1 Hub Interface
Type : DMI (Direct Media Interface)
Version : 1.00
Number of Ports : 4
In/Out Width : 4-bit / 4-bit
Multiplier : 3/1x
Speed : 1x 100MHz (100MHz)

Logical/Chipset Memory Banks
Bank 0 : 1GB DIMM DDR3 2-5-5-18 3-23-10-7 2T
Bank 1 : 1GB DIMM DDR3 2-5-5-18 3-23-10-7 2T
Bank 4 : 1GB DIMM DDR3 2-5-5-18 3-23-10-7 2T
Bank 5 : 1GB DIMM DDR3 2-5-5-18 3-23-10-7 2T
Maximum Installable Memory : 8GB
Supported Memory Types : DIMM DDR2 DDR3
Channels : 2
Memory Bus Speed : 2x 534MHz (1.07GHz)
Multiplier : 8/4x
Width : 64-bit
Memory Controller in Processor : No
FMA - Fast Memory Access Support : Yes
Refresh Rate : 7.80µs
Power Save Mode : No
Fixed Hole Present : No
Maximum Memory Bus Bandwidth : 16.69GB/s

APIC 1
Version : 2.00
Multiplier : 1/2x
Maximum Interrupts : 24
IRQ Handler Engaged : Yes
Enhanced Support : Yes

Memory Module
Manufacturer : Corsair
Model : CM2X2048-8500C5D
Extended Information : mVN
Type : 2GB DIMM DDR2
Technology : 16x(128Mx8)
Speed : PC2-6400U DDR2-800
Standard Timings : 5.0-5-5-18 3-23-6-3
Version : 1.02
Memory DC Line : 1.80V
Set Timing @ 400MHz : 5.0-5-5-18 3-23-6-3
Set Timing @ 270MHz : 4.0-3-3-12 2-15-4-2
Enhanced Performance Profiles : Yes
Profile @ 533MHz: Optimal : 5-5-5-15 X-22-32-X 2T 2.1V

Memory Module
Manufacturer : Corsair
Model : CM2X2048-8500C5D
Extended Information : mVN
Type : 2GB DIMM DDR2
Technology : 16x(128Mx8)
Speed : PC2-6400U DDR2-800
Standard Timings : 5.0-5-5-18 3-23-6-3
Version : 1.02
Memory DC Line : 1.80V
Set Timing @ 400MHz : 5.0-5-5-18 3-23-6-3
Set Timing @ 270MHz : 4.0-3-3-12 2-15-4-2
Enhanced Performance Profiles : Yes
Profile @ 533MHz: Optimal : 5-5-5-15 X-22-32-X 2T 2.1V

Environment Monitor 1
Model : Winbond W83627DHG-A ISA
Version : 12.01
Mainboard Specific Support : No

Environment Monitor 2
Model : Intel Core CPU [P1, C4, M0]
Version : 15.11
Mainboard Specific Support : No

Temperature Sensor(s)
Board Temperature : 28.00°C
CPU Temperature : 36.50°C td
Auxiliary Temperature : 25.50°C

Cooling Device(s)
Auto Fan Speed Control : Yes
System Fan : 1223rpm
CPU Fan : 1962rpm
Auxliary Fan : 5315rpm

Voltage Sensor(s)
CPU DC Line : 1.27V
Aux DC Line : 3.38V
+3.3V DC Line : 3.37V
+5V DC Line : 4.16V
+12V DC Line : 11.42V
Standby DC Line : 3.41V
Battery DC Line : 0.10V

System Bus(es) on Hub 1
Version : 2.30
System Bus 0 : PCI
System Bus 1 : PCIe 2.00 x16 2.5Gbps
System Bus 2 : PCIe 1.00 x1 2.5Gbps
System Bus 3 : PCIe 1.00 x1 2.5Gbps
System Bus 4 : PCIe 1.00 x1 2.5Gbps

LPC Hub Controller 1
Model : ASUS LPC Interface Controller
Revision : A1
ACPI Power Management Enabled : Yes
Advanced TCO Mode Support : Yes
Advanced TCO Mode Enabled : No
High Precision Timer Enabled : Yes
Number of Precision Timers : 4
System Timer : 14.32MHz
Delayed Transaction Enabled : Yes

Disk Controller
Model : ASUS 6 port SATA AHCI Controller
Interface : SATA
Revision : A1
Specification : 1.10
Maximum SATA Mode : G2 / SATA300
Channels : 6
In Use Channels : 2
Port : G2 / SATA300
Port : G2 / SATA300

Disk Controller
Model : ASUS JMB36X PCIE-to-SATAII/IDE RAID Controller
Interface : ATA
Revision : A4
Channels : 4

USB Controller 1
Model : ASUS USB UHCI Controller #4
Revision : A1
Version : 1.10
Interface : UHCI
Channels : 2
Speed : 48MHz
Supported Speed(s) : Low (1.5Mbps) Full (12Mbps)
Legacy Emulation Enabled : No

USB Controller 2
Model : ASUS USB UHCI Controller #5
Revision : A1
Version : 1.10
Interface : UHCI
Channels : 2
Speed : 48MHz
Supported Speed(s) : Low (1.5Mbps) Full (12Mbps)
Legacy Emulation Enabled : No

USB Controller 3
Model : ASUS USB UHCI Controller #6
Revision : A1
Version : 1.10
Interface : UHCI
Channels : 2
Speed : 48MHz
Supported Speed(s) : Low (1.5Mbps) Full (12Mbps)
Legacy Emulation Enabled : No

USB Controller 4
Model : ASUS USB EHCI Controller #2
Revision : A1
Version : 2.00
Specification : 1.00
Interface : EHCI
Channels : 6
Companion Controllers : 3
Supported Speed(s) : Low (1.5Mbps) Full (12Mbps) High (480Mbps)
Addressing Support : 64-bit
Legacy Emulation Enabled : No

USB Controller 5
Model : ASUS USB UHCI Controller #1
Revision : A1
Version : 1.10
Interface : UHCI
Channels : 2
Speed : 48MHz
Supported Speed(s) : Low (1.5Mbps) Full (12Mbps)
Legacy Emulation Enabled : No

USB Controller 6
Model : ASUS USB UHCI Controller #2
Revision : A1
Version : 1.10
Interface : UHCI
Channels : 2
Speed : 48MHz
Supported Speed(s) : Low (1.5Mbps) Full (12Mbps)
Legacy Emulation Enabled : No

USB Controller 7
Model : ASUS USB UHCI Controller #3
Revision : A1
Version : 1.10
Interface : UHCI
Channels : 2
Speed : 48MHz
Supported Speed(s) : Low (1.5Mbps) Full (12Mbps)
Legacy Emulation Enabled : No

USB Controller 8
Model : ASUS USB EHCI Controller #1
Revision : A1
Version : 2.00
Specification : 1.00
Interface : EHCI
Channels : 6
Companion Controllers : 3
Supported Speed(s) : Low (1.5Mbps) Full (12Mbps) High (480Mbps)
Addressing Support : 64-bit
Legacy Emulation Enabled : No

System SMBus Controller 1
Model : Intel 801xx/63xx SMBus
Specification : 2.00
Advanced TCO Mode Enabled : Yes
Slave Device Enabled : Yes
PEC Support : Yes
Speed : 100kHz

Expansion Slot(s)
PCIEX16 (1h) : PCIe 32-bit +3.3V Shared PME Half-Length Used
PCIEX1_1 (8h) : PCIe 64-bit +3.3V Shared PME Half-Length Used
PCIEX1_2 (9h) : PCIe 32-bit +3.3V Shared PME Half-Length Available
PCI_1 (2h) : PCI 32-bit +3.3V Shared PME Half-Length Available
PCI_2 (3h) : PCI 32-bit +3.3V Shared PME Half-Length Available
PCI_3 (4h) : PCI 32-bit +3.3V Shared PME Half-Length Available

Port Connector(s)
PS/2 Keyboard - PS/2 Keyboard : Keyboard / PS/2
PS/2 Mouse - PS/2 Mouse : Mouse / PS/2
USB12 - USB12 : USB / USB
USB34 - USB34 : USB / USB
USB56 - USB56 : USB / USB
GbE LAN - GbE LAN : Network / RJ-45
AUDIO - AUDIO : Audio
COM 1 - COM 1 : Serial Port 16550A / DB-9 pin male
SPDIF_OUT - SPDIF_OUT : Audio / CD-ROM Sound Input
SPDIF_O12 - SPDIF_O12 : Audio / CD-ROM Sound Input
IE1394_1 - IE1394_1 : FireWire/1394
IE1394_2 - IE1394_2 : FireWire/1394
SATA1 : SATA
SATA2 : SATA
SATA3 : SATA
SATA4 : SATA
SATA5 : SATA
SATA6 : SATA
PRI_EIDE : SATA
ESATA : SATA
USB78 : USB / USB
USB910 : USB / USB
USB1112 : USB / USB
FLOPPY : Floppy Disk
CD : Audio / CD-ROM Sound Input
AAFP : Audio / Mini-jack
CPU_FAN : None
PWR_FAN : None
CHA_FAN1 : None
CHA_FAN2 : None

Performance Tips
Notice 224 : SMBIOS/DMI information may be inaccurate.
Tip 2511 : Some memory slots are free so the memory can be easily upgraded.
Warning 2523 : Memory bus speed exceeds memory rated speed. Reduce memory bus speed.
Tip 2 : Double-click tip or press Enter while a tip is selected for more information about the tip.

---------------------
More to come

-Ryan
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  #6  
Old 12-17-2008, 03:08 PM
Ryan Hafer Ryan Hafer is offline
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Location: Nashville, TN
Posts: 58
Default Re: Glitches in audio after recording

I can send more of the report, I suppose that's enough for now.

Also, I did try the HD Core card in each of the 2 PCIe slots with the same result.
Also, I'm on 7.4cs8 (says cs7)

I did have 3x UAD-1 cards in the PCI slots, but I removed those for testing and haven't put them back yet.
The results were the same with or without the UAD cards.

I tried standard SATA mode and AHCI for the drives. Same result for each.

Thanks,
Ryan
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  #7  
Old 12-18-2008, 09:23 PM
Ryan Hafer Ryan Hafer is offline
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Posts: 58
Default Re: Glitches in audio after recording

Bump and update:
New motherboard - ASUS P5Q. Similar specs but P45 chipset instead of the P43.
Still the same issues. Tried recording 32 tracks and 96k - same problem. 32 tracks at 48k = same problem, but longer between glitches - a little more than 2 secs between each glitch.
It always starts glitching at different times, but once it starts it continues until the end. Sometimes it takes 45 min of recording to start glitching, sometimes 2 minutes.

Also, this mobo has an additional SATA port on a Marvell/Silicon Image chip, but it is basically a raid only port. I did try it there to see what happens. It did start glitching after 4 or 5 minutes, but the whole system froze up after 70 min of recording on the drive attached to that port.

hmmmm....

-Ryan
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  #8  
Old 12-19-2008, 12:26 PM
Abomb97 Abomb97 is offline
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Default Re: Glitches in audio after recording

Hey Ryan, Sorry to hear about the troubles.

I experienced clicks, pops, and crackles with glitches and it turned out to be a bad A/D expansion card in my 192.

Also I have had a hell of a time with my HD2 and my asus/quad core combo...ghosts in the machine for sure.

Try some of these:
1. if you can, try moving the core card to a different slot.
2. go into your system preferences, harware, and disable parts of your system you arent using like extra usb, sata, firewire, network ports.
(you're trying to free up IRQs)

try and get it slimmed down to rediculous perportions and then add them back in until it errors again. (if it helped in the first place)

good luck!
Justin
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Old 12-19-2008, 02:04 PM
Ryan Hafer Ryan Hafer is offline
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Default Re: Glitches in audio after recording

Thanks Abomb97.
I'll try getting rid of everything next. I did a fresh install of windows, then PT 7.4 and tried with nothing else installed and the problem is still there.
I just did a new test. I attached an IDE drive to the PATA port and tried that and it went for 30 min without any glitches. I'm currently doing that test again for longer period -hour and a half or so- to see how it works out. If this test works fine, then it seems to be isolated to drives on the SATA ports only.

Just to clarify, this isn't an issues with regular cracks and pops from faulty digital i/o or clocking issues, etc. Once it begins glitching, the timing of the glitches is consistent. Sounds like a little "pop" repeating, like a bad edit at the top of a repeating loop. I think it's related to buffers and writing chunks of data to the drive. Also, it is NOT present while monitoring the recording in progress. But after stopping record and playing back the sine wave tones that were recorded, it's there.

Thanks again!

Peace,
Ryan
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  #10  
Old 12-19-2008, 03:15 PM
beggehorn beggehorn is offline
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Posts: 455
Default Re: Glitches in audio after recording

Just ran across your posts here. I haven't seen this issue for a while but I realized I haven't done much recording that required more than 8 tracks of input (been doing overdubs, editing and mixing lately). The comment about the 192 AD expansion card got me thinking as this problem occurred while tracking drums (using more than 8 AD inputs on my 192). Perhaps it is a fault with the 192 AD expansion card, or at the very least a bad connection between the add-in card and the 192IO? Maybe some contact cleaner on the exp card would be something to try?
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