Vegas 15 NVENC GPU Video Encoding PART 3

Swapping the GTX-1050 card slot in the dual Xeon motherboard to avoid the QPI link and re-testing the NVENC encoder.
Also a stupid audio issue with Vegas 15

[PrincipalAudio]

06:11 - The sound card is running at a higher sample rate than the audio stream being sent from the software. The hardware audio buffer is filling and emptying too quickly because of this, and as a result causing the "looping" sound. The chipmunk effect is also due to the audio stream being played at a higher sample rate (or recorded at a lower sample rate than the software is set to).

This can happen with driver issues where the software isn't switching the hardware to the correct sampling rate before sending the audio stream to the sound card.

I had a similar issue in Adobe Premiere and it was caused by another program hogging the sound card, disallowing Premiere from setting the sample rate. Shutting down any other program that is using audio might solve the problem.

EDIT: Have you looked at the waveform of the audio in an audio program to see what it looks like? The metadata might help to track down the problem (sample rate, bit depth, codec, etc).

[redtails]

the only reason I got vegas 14 was because it was like 10€ on humble bundle.. I don't think I would ever buy a Magix product. I just cannot get into adobe's video workflow..

[dinushkam]

Please somebody with video editing knowledge go and fix dave's video production setup.

[MauroTamm]

This is no audio glitch. You picked up Dalek communications.

[DJlegionuk]

Magix have messed up vegas and movie studio. take a look at resolve.

[ranzadamson]

What are the GPU render times compared to CPU render times? I'm about to build a monster PC - with a high end CPU - and if GPU rendering is the way to go I might switch over to Vegas. I gather there's no support yet for AMD Radeon Vega cards yet :/

[keesnuyt]

Have to reboot twice to get it running with video card in the wrong CPU slot: By default Windows 10 saves state when doing a clean shutdown from the menu, so it can boot a bit faster on powerup. However, boot after forced halt (holding power button) and Restart from the menu do a full boot (including hardware scan). A full shutdown can be forced in a setting, but I don't recall which setting. Something with preventing Fast Startup.

[gregfeneis]

Dave, is there some performance claim from Vegas that you're trying to achieve, or are you just trying to get to render as fast as possible? Vegas must have a hardware setup that they use to make whatever performance claim. Perhaps explore the difference(s) between that and your setup? What if you got Vegas' performance claim hardware setup and ran it next to your own to see what the differences are and showed us on video at the same time? That might make a cool video sometimes. Just an idea I thought I'd put on the back stoop and see if the cat licks it up.

[natecontarino]

Did you try turning it off and back on again?

[DAVIDGREGORYKERR]

What about an ASUS ROG ZENITH EXTREME X399 motherboard with the 1950x Threadripper with 16 cores and 32 threads and 1TB of DDR4 RAM and the rest of your parts of your old computer setup and see if that works.

[frugalaudio]

Just saw this this morning:
"Audio recorded through Xsplit Broadcaster is now properly supported"

[tangerinq]

The audio problem sounds very much like the software and the hardware are running at different sampling rates. As Principal Audio mentioned, some application may be locking the sampling rate. Or, possibly, Vegas doesn't manage to change the sampling rate to the desired one (whatever rate that it wants to use for the file). Normally, the audio sampling rate used for video files is 48kHz, for audio files it is usually 44.1kHz. I'd start by making sure settings in Vegas are correct. One other thing to try would be to disable the "Allow applications to take exclusive control of this device" (google that). You would need to restart all running applications that may have audio card interaction for this to take effect.

Also make sure all applications that interact with audio (that you are using at the same time as Vegas) are set to run the sound card at the same sampling rate.

[xjet]

Magix doesn't have a good reputation I'm afraid. I'm using Movie Studio Platinum 14 but I won't be upgrading and will likely shift to Adobe's cloud-based editing solution if I need extra functionality/features

[TheKubux]

Try out OBS (Open Broadcast Software) it is OpenSource and it always worked for me.

[akuunreach]

Hi David, and welcome to the hell that is Magix. I had purchased some of their music making software years ago. They had a great feature list, and the pricing was in my budget. However that was where the good part ends, the features were buggy, incomplete, or non existent, and the stability and optimization was also poor. It seems they are one of those companies that acquire decent software, do some bodged on new features, and somehow make a good program worse.

I hope you're able to get a refund, and best of luck on finding a suitable replacement when the time ultimately comes.

[kamina]

This might help ya temporary, use staxrip to encode them before droping them in, staxrip supports nvnec so shouldn't add to much extra time.

[tschuuuls]

Could you upload your project + source files of your render test? Would be interesting to test my Ryzen 5 system.

[MichaelBruceTaos]

Compute load on GPU does not saturate the PCIe bus in general, this is why Bitcoin miner machines use every PCIe slot possible down to 1x slots. Graphics load on the other hand definitely can, 8x PCIe 2 minimum for most video cards.

[MatthewSuffidy]

Top is usually the x16 anyway... Never had to deal with a 2 cpu mb though.

[Llirik]

You really shouldn't use GPU for encoding, it produce really poor quality.
Render to raw, and then encode with ffmpeg.

And, if you using GPU in this kind of application, your 2 cpu multi core setup actually bottleneck. You need less cores with more speed.
Also, multi cpu configuration really BAD for EDITING. You also need less cores with more speed.