I found somthing for my case. I'm importing Canon Log lite files. It is great that Premiere Pro seems to "support" this format. How ever I think over the last couple of months, the abiliy to use this *.crm files has greatly deminished on my machine. I don't know when as I was doing a few Landscape projects, editing in a backround track after final published format or adding sounds in AfterEffects. So, the deal was Audio would not continue past a few seconds during playback. I might have had more than 6 audio tracks but that didn't matter as not even one would continue past a few seconds. Starting and stoping playback, the problem continued. I swapped page files and rebooted. I changed the page file to a 1tb M2 drive Moved the project to an SDD drive. Greatly reduced the number of services Ruduced the number of Monitors. Deleted and reinstalled Premiere and used without effects suites installed. Took a few long walks around the block to blow off steam. The machine: OS Name Microsoft Windows 10 Pro Version 10.0.18363 Build 18363 Other OS Description Not Available OS Manufacturer Microsoft Corporation System Name DESKTOP-F4TKJ50 System Manufacturer System manufacturer System Model System Product Name System Type x64-based PC System SKU ASUS_MB_KBLX Processor Intel(R) Core(TM) i9-9980XE CPU @ 3.00GHz, 3000 Mhz, 18 Core(s), 36 Logical Processor(s) BIOS Version/Date American Megatrends Inc. 0602, 10/04/2019 SMBIOS Version 3.0 Embedded Controller Version 255.255 BIOS Mode Legacy BaseBoard Manufacturer ASUSTeK COMPUTER INC. BaseBoard Product ROG RAMPAGE VI EXTREME OMEGA BaseBoard Version Rev 1.xx Platform Role Desktop Secure Boot State Unsupported PCR7 Configuration Binding Not Possible Windows Directory C:\WINDOWS System Directory C:\WINDOWS\system32 Boot Device \Device\HarddiskVolume1 Locale United Kingdom Hardware Abstraction Layer Version = "10.0.18362.752" Username DESKTOP-F4TKJ50\Bear Time Zone SE Asia Standard Time Installed Physical Memory (RAM) 128 GB Total Physical Memory 128 GB Available Physical Memory 120 GB Total Virtual Memory 1.00 TB Available Virtual Memory 0.99 TB Page File Space 898 GB Page File I:\pagefile.sys Kernel DMA Protection Off Virtualisation-based security Not enabled Device Encryption Support Reasons for failed automatic device encryption: TPM is not usable, PCR7 binding is not supported, Hardware Security Test Interface failed and the device is not Modern Standby, Un-allowed DMA-capable bus/device(s) detected, TPM is not usable Hyper-V - VM Monitor Mode Extensions Yes Hyper-V - Second Level Address Translation Extensions Yes Hyper-V - Virtualisation Enabled in Firmware Yes Hyper-V - Data Execution Protection Yes So... With the new Support of the *.crm files (canon log lite, 1GB/sec, 12bit) I was enamered by the ability to scrub through these whole files real time. When in fact if you editing talkie pictures with these large files and you want to edit with sound tracks, I found simply that I had to go back and make proxies. After that and using proxies, Audio worked as it should, even with many Audio tracks. Hope this helps someone.
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