Have the Xfinity 1200/40 Speed tier but dropping frames while streaming

[spudler_t]

I have no Missed frames from rendering, Skipped frames from Encoding but when I stream at 8000kb/s or higher (or try to anyway) I start getting a huge amount of Dropped frames (Network) 

I may be confused but isn't 1200/40 equivalent to 120000/40000 in kb/s??

If so I would think that streaming at 8000 kb/s should be a non issue it is 1/5 max upload and I seen where it is mentioned you should be able to set your stream bitrate to easily 50-75% of your upload speed  Of course taking into account if you have other traffic uploading as well  which I only have iracing running so do not think I should have issues with my settings 

 

I am trying to upload higher quality iRacing streams  (current resolution is 3440X1440 85 Hz (Fps) 

[CA3LE]

I'm sorry I just saw your topic.

 

40 Mbps is 5 MB/s which is 5120 kB/s

 

Mbps / 8 bits per byte = MB/s * 1024 = kB/s

 

So if you're trying to stream 8000 kB/s "you're gonna have a bad time"

 

 

For max quality I would set it at 4000 kB/s to leave headroom.  You should have no dropped frames.  You can technically go higher but I'd leave that 20% headroom for other stuff going on in the background.

 

Let me know if this works better.

[spudler_t]

I am not sure if I messed up the designation between B and b (Bits and Bytes). I did find the problem and I was shocked to be honest, my ASUS Strix Z-490 E Gaming MB has VI and I found it had the OBS Streaming set to Low which I guess was causing all the problems. I changed that setting to extreme (which is what iRacing is set at) 

I set the OBS to 10000 kbps and since then I have not had a single issue of dropped anything and am in the bitrate suggested for 3440x1440 

If anything changes or I find I start getting more dropped frames I will update this thread

 

 

 

 

 

Edited July 6, 2023 by spudler_t
jpg was in middle of thread

[CA3LE]

I thought that seemed a little high.  10 Mbps (10,000 Kbps) you can easily do.

 

On 6/28/2023 at 2:33 AM, spudler_t said:

I may be confused but isn't 1200/40 equivalent to 120000/40000 in kb/s??

 

So yes, 40 Mbps is 40,000 Kbps ... kb/s is also correct.  I just thought you meant kB/s because I abbreviate it as Kbps.  My bad.

 

If you wanted to, you could easily do 2 streams at 10 Mbps.

[spudler_t]

Thanks ya I was thinking something was not right with it dropping frames when i was only running at 8,000 kbps.

Initially I was thinking Xfinity was doing something to limit me, then by accident I seen the GameFirst VI was setting the OBS stream section to low.

Once I changed that I was easily able to stream at 10,000 kbps 

 

I just streamed a iRacing ARCA race at Indy RC and had no problems so all seems to work great.

Funny when you set things correctly how nice they work LOL 

Edited July 7, 2023 by spudler_t