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πŸ“Ό The Classroom 🌐

Stream Professor's Classroom! EposVox's tech education community. Learn about streaming & analog video goodness.


Twitch Enhanced Broadcasting Performance Impact

I've been doing some testing with the enhanced broadcasting beta (open beta/h264) and noticed it significantly impact my game performance compared to just streaming normally. Is this expected? I assumed it would be pretty similar so long as you have available encode sessions. For reference, after a few runs of the MW3 benchmark while testing my FPS average at 1440p is around 222 FPS whereas a normal stream (using NVENC) the average bumps up to about 246 FPS, so a little over a 10% decrease in performance....

Lossless capture of video content possible from RetroTink4k to M1 mac?

Hi all - does anyone know if it is possible to capture lossless video content on an M1 mac? Specifically from a RetroTink4k. If not, what is the next best option. I am preparing to archive some VHS tapes and want to do as future proof as possible. I have an el gato capture card but from what I understand the video is compressed. Thanks in advance for any help.

OBS Not Outputting the 6 Audio Tracks I have it set to output

I have older streams of mine where when I drag them into Premiere it has 6 different audio tracks with the specific source i gave in the Advanced Audio Properties tab (All audio on track 1, my mic on track 2, game audio track 3, etc). Im not sure what happened since then but I am unable to get this to work now. Right now im recording to mkv and remuxing to mp4, ive tried different video encoders but nothing seems to be working. Would anyone be able to help? Ill post some screen shots. The premiere one has a test video i just recorded in the beginning, and then an old stream i did after it for an example that it used to work. If anyone would be willing to hop into a chat or something to help out, id be all for it. got no other plans for the evening. Thanks!...
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Can I improve my display capture quality?

My display capture looks a little blurry to me. See video for example. My canvas and output resolution are 1080p. My monitor is 1440p. I have scale filtering on the display capture source set to bicubic. ...
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best quitaly microphone for the price.

I have high end pc. I've been condisering wawe 3 and blue yeti. Price range around 250

Did NVENC HEVC ever get fixed in Resolve?

https://www.youtube.com/watch?v=-bVOb-TEn60 Go to 6:20 for context. In this video, Adam talks about a bug in which NVENC HEVC performed worse than it should have. It also gave weirdly small files. I was curious if this ever got fixed, since there doesn't seem to be an update in the comments of the video....

Reliable voltage limit

My GPU consistently reaches its "reliable voltage limit" and "utilization limit" is basically always on. I'm unclear if this is related to my power supply. I believe I have an 800-watt power supply. The PC is about 5 years old. MBD: Asus PRIME Z390-P CPU: Intel Core i7-9700K 3.60GHz GPU: NVIDIA GeForce RTX 4070 Ti...
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Best way to get a recording off an answering machine.

This is a bit of a strange one… I’ve got a several year old answering machine (It’s a Panasonic, and is digital, not one of the super old tape ones). Unfortunately, my dad passed away a couple of years ago, and I’ve been avoiding deleting the only message I have from him.
Any thoughts on the best way to capture the recording where I can make sure it’s saved? The handsets (which can play the messages) have Bluetooth for a headset or for linking to a phone (which I’ve never done)....

a few obs and vlc media player questions

On OBS i now have the nvidia nvenc AV1, NVENC h264, NVENC HVEC, STV AV1 and AOM AV1 which will give me the best results for recording videos? next if i record in AV1 VLC media player can play it but it wont make a thumbnail so i cant tell which clip is which, in the photo you can see the h264 videos have a thumbnail and i can tell which clip is which, with NVENC AV1 i don't get a thumbnail and its hard to know what clip is what so that kind of messes things up.. any way to fix that if its not making a thumbnail or is there a better video player to use that will read a thumbnail. ??...
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Encoder overload

Log from last night's stream: https://obsproject.com/logs/I3zpzG6ynOQJrPUl Experienced occasional overload throughout the whole stream, but nothing too bad. Until I went to my "Stream Ending" scene, and things got really choppy. It honestly might just be due to my scenes being quite complex....

"Input Not Supported" message on monitor

My PC boots into windows and I used it for some minutes then the monitor blacksout and shows the "Input Not Supported" box. Tried Unplugging the HDMI cable and the issue was still there, restarting too wasn't helpful, this happened 3 times which are the only 3 times i used my PC which is a new build. I'll try to plug DP. FYI I still dont have a dedicated GPU so I'm on the i5 gpu.. Surprisingly I noticed that it happens when I open a new tab in Brave browser.. As for the drivers (my board is Gigabyte X AX rev 2.1) it came with it's own piece of software that installed all the updates and drivers ig......

SSD isn't showing in Windows setup

my ssd isnt showing tho it's fully connected. I think it has something to do with Intel Rapid Storage but i cant find it for 14th gen as im using 14600k. Only found 13th gen setup on intels website.. Mobo: Z790 X AX Rev 2.1 SSD: FIRECUDA 520 NVMe ...

MKV vs MP4 on DaVinci Resolve Timeline

I accidentally used an MKV file on my DaVinci Resolve timeline. 1) Should I worry about it? At least on the Edit page everything looks fine. 2) If I should change it out with the MP4, is there a way for me to replace the clips 1 for 1 as I have made a bunch of cuts in the original clips on the timeline. ...
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Multi tracks for live and recording

Say I have 7 inputs. For streaming, I have them all on track 1. For recording, I have 2 pa channels on track 1 and the rest individually on 2-6 Will the recording have just the 2 pa channels on track 1 or will it have all of the inputs from the stream mode? I'm trying to make the 2 pa tracks mono with 1 panned left and the other panned right so I can split them in Davinci and end up with 7 tracks. I actually have more inputs then the 7. My ultimate goal is that when I edit the livestream down is to be able to put all the audio into Atmos and have the feeling you are actually in the center of the track Does this all seem like the right way to go about it?...

bad video drivers

just wondering, is there any drivers for thinkcentre lenovo all-in-one computer, also heres some computer specs if you want, but dude if anyone, i mean ANYONE, JUST A SINGLE PERSON identify what is this "computer" im talking about please send a download link to opengl drivers for this computer, it will be amazing if i could update my drivers, also before you complain yes i did "update" my drivers with device manager but that didn't help either
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Need New Motherboard for A i7, needs lots of usb ports.

I want to Avoid Asus as im not liking how they are doing things lately and seem like quality has gone down alot with them but i need a good reliable motherboard for a 13 or 14th gen i7, i would like lots of usb ports and would rather not spend a fortune, i do not plan to over clock but i need it for gaming, video and audio editing. the MSI MPG Z790 EDGE looks like a winner anyone have any reason not to get that, its more expensive that i would like but i guess i can bust out the credit...

Struggling to get my microphone sounding clean when my voice starts raising, or is it just me?

I've been trying to get my microphone settings during stream to be at a sort of sweet spot where when my voice starts raising, it doesn't start sounding all like its 'blown' out. I was watching back on a clip of mine that I turned into a short and its.. I don't know if I'm doing something wrong here or if its just me thinking it sounds worse than it actually does? https://clips.twitch.tv/RoundGracefulZebraPMSTwin-VlVRn-jbcvMuU2fp...
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Microsoft Edge font looks bad on new install.

I've created a new Windows 11 VM and when launching the Edge browser I noticed the font looked bad. I've had this issue in the past but I can never remember how I've fixed it. The first image is a screenshot from an existing Windows 10 VM and the second is the new Windows 11 VM. I messed around with the ClearText settings without any luck. Any ideas?...
Edge screenshot from existing Windows 10 VM

XR1 Pro not compatible with OSSC timings for NESRGB timings, regardless of line mode used.

As the title says, the OSSC with the NESRGB timings (using RGB out for testing) from my Nt Mini Noir gives me a "Not Supported" screen on my XR1 Pro. If I adjust the horizontal sample rate to 340 or 342, I get an image but with columns of shimmering pixels. Is there anything I can do in terms of timings or other settings to get this to work?