Question / Help Audio breaking up and FPS lag when streaming

ConeOfPwn

New Member
Hey all,

I'm new to streaming so there is every chance this is a rookie error and I apologies in advance.

The fault:
When streaming (League of Legends) I get some FPS lag in game and the audio breaks up (small breaks like feedback/gaps in the audio). I believe my rig should be more than capable of handling streaming. Please see below details

System:
EVGA GeForce GTX780
Intel i7-920 @ 2.67GHz (8) ~ 2.8Ghz
Gigabyte EX58-UD5 (Using onboard audio)
6GB RAM
Wacom 23" DTU-2231 Tablet (1920x1080)
Samsung Rose 19" (1620x1080)
Headset if it matters is Razer Krakken 7.1 (USB)
Logitech C920 Webcam (HD)
Windows 7 Pro 64Bit

Internet:

Virgin 120MB. Getting roughly 98MB Down, 10MB Up.

League of Legends Video Settings:

Resolution: 1920x1080
Window Mode: Borderless
All settings: Very High
Anti Aliasing: On
Wait for V-Sync: Off
FPS Cap: Uncapped

Streaming Platform:
Twitch

OBS Settings:
Scene
Sources are Webcam and League game. Both are set up as a global source.
Encoding
Video
x264
CBR
Bitrate; 3500
Enable CBR Padding
Audio
Codec: AAC
Format 48KHz
Bitrate: 128
Channel: Stereo

Video
Video Adapter: GTX780
Custom Resolution: 1920x1080
Res Downscale: 1.50 (1280x720)
Filter: Bilinear (Fastest)
FPS: 30
Disable Aero: No

Audio
Defaulted to my headset
Push to talk on
200ms delay on Pust to Talk

Advanced
General
Multithread optimizations: yes
Process Priority Class: Normal
Scene Buffering Time: 700ms
Video
x264 preset: Very Fast
Encoding Profile: Main
Keyframe Interval: 2
Use CFR: Yes
Rest is off

Log file attached (2014-08-13-1946-55)

Log Analyzer Report
: Aero is disabled is all that came up

Anything else I'm missing please let me know. All help is greatly appreciated.
 

Attachments

Your settings seem fine, your system seems pretty decent, and there's no real report of errors in the log. Do you have a video of the problem?
 
Hey Jim,

Thanks for the response. Not at present but I'll record one when I get home tonight if that's OK?
Any preferred method for uploading the video (i.e. YouTube or upload file to here?)
 
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