Bug Report Glitchy Audio Issue w/ OBS & Mumble

P

Pheenoh

New Member
Hello. I've been using OBS for a little bit now, and it works quite well. However, I've been getting an audio issue when I try to stream and talk on Mumble at the same time. The issue only occurs when I'm streaming, not while I have the stream preview open. Likewise, the issue goes away when I close Mumble. The issue itself is inconsistent stuttering of all incoming windows sounds.

Here is the OBS log with hardware and version specifications:

Code: 
Open Broadcaster Software v0.466a - 32bit (´・ω・｀)
-------------------------------
CPU Name: Intel(R) Core(TM) i7 CPU       Q 740  @ 1.73GHz
CPU Speed: 1729MHz
Physical Memory:  4095MB Total, 4095MB Free
stepping id: 5, model 14, family 6, type 0, extmodel 0, extfamily 0, HTT 1, logical cores 8, total cores 4
Windows Version: 6.1 Build 7601 S
Aero is Enabled
------------------------------------------
Adapter 1
  Video Adapter: NVIDIA GeForce GTX 460M   
  Video Adapter Dedicated Video Memory: 1560739840
  Video Adapter Shared System Memory: 2684235776
=====Stream Start=====================================================================
  Multithreaded optimizations: On
  Base resolution: 1920x1080
  Output resolution: 1280x720
------------------------------------------
Loading up D3D10...
Using 7.1 surround speaker setup (experimental)
------------------------------------------
Using auxilary audio input: Microphone (Logitech G930 Headset)
------------------------------------------
Audio Encoding: AAC
    bitrate: 128
------------------------------------------
    device: AmaRec Video Capture,
    device id (null),
    chosen type: RGB32, usingFourCC: false, res: 512x384 - 512x384, fps: 29.9701-29.9701, fourCC: 00000000

Using directshow input
Using Window Capture
------------------------------------------
Video Encoding: x264
    fps: 30
    width: 1280, height: 720
    preset: veryfast
    CBR: no
    max bitrate: 1000
    buffer size: 1000
    quality: 8
------------------------------------------
Total frames rendered: 650, number of frames that lagged: 0 (0.00%) (it's okay for some frames to lag)
=====Stream End=======================================================================
=====Stream Start=====================================================================
  Multithreaded optimizations: On
  Base resolution: 1920x1080
  Output resolution: 1280x720
------------------------------------------
Loading up D3D10...
Using 7.1 surround speaker setup (experimental)
------------------------------------------
Using auxilary audio input: Microphone (Logitech G930 Headset)
------------------------------------------
Audio Encoding: AAC
    bitrate: 128
------------------------------------------
    device: AmaRec Video Capture,
    device id (null),
    chosen type: RGB32, usingFourCC: false, res: 480x360 - 480x360, fps: 29.97-29.97, fourCC: 00000000

Using directshow input
Using Window Capture
------------------------------------------
Video Encoding: x264
    fps: 30
    width: 1280, height: 720
    preset: veryfast
    CBR: no
    max bitrate: 1000
    buffer size: 1000
    quality: 8
------------------------------------------
------------------------------------------
    device: AmaRec Video Capture,
    device id (null),
    chosen type: RGB32, usingFourCC: false, res: 480x360 - 480x360, fps: 29.97-29.97, fourCC: 00000000

Using directshow input
++++++++++++++++++++++++++++++++++++++++++++++++++++++
  New Scene
------------------------------------------
    device: AmaRec Video Capture,
    device id (null),
    chosen type: RGB32, usingFourCC: false, res: 480x360 - 480x360, fps: 29.97-29.97, fourCC: 00000000

Using directshow input
++++++++++++++++++++++++++++++++++++++++++++++++++++++
  New Scene
------------------------------------------
    device: AmaRec Video Capture,
    device id (null),
    chosen type: RGB32, usingFourCC: false, res: 480x360 - 480x360, fps: 29.97-29.97, fourCC: 00000000

Using directshow input
Using text output
------------------------------------------
    device: Logitech HD Webcam C310,
    device id \\?\usb#vid_046d&pid_081b&mi_00#7&2a8e3529&0&0000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\{bbefb6c7-2fc4-4139-bb8b-a58bba724083},
    chosen type: RGB24, usingFourCC: false, res: 1280x960 - 1280x960, fps: 5-30, fourCC: 00000000

Using directshow input
Total frames rendered: 40584, number of frames that lagged: 13 (0.03%) (it's okay for some frames to lag)
=====Stream End=======================================================================
=====Stream Start=====================================================================
  Multithreaded optimizations: On
  Base resolution: 1920x1080
  Output resolution: 1280x720
------------------------------------------
Loading up D3D10...
Using 7.1 surround speaker setup (experimental)
------------------------------------------
Using auxilary audio input: Microphone (Logitech G930 Headset)
------------------------------------------
Audio Encoding: AAC
    bitrate: 128
------------------------------------------
    device: AmaRec Video Capture,
    device id (null),
    chosen type: RGB32, usingFourCC: false, res: 480x360 - 480x360, fps: 29.97-29.97, fourCC: 00000000

Using directshow input
Using text output
------------------------------------------
    device: Logitech HD Webcam C310,
    device id \\?\usb#vid_046d&pid_081b&mi_00#7&2a8e3529&0&0000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\{bbefb6c7-2fc4-4139-bb8b-a58bba724083},
    chosen type: RGB24, usingFourCC: false, res: 1280x960 - 1280x960, fps: 5-30, fourCC: 00000000

Using directshow input
------------------------------------------
Video Encoding: x264
    fps: 30
    width: 1280, height: 720
    preset: veryfast
    CBR: no
    max bitrate: 1000
    buffer size: 1000
    quality: 8
------------------------------------------
Using RTMP service: Twitch / Justin.tv
  Server selection: rtmp://live-dfw-backup.justin.tv/app
bufferTime: 1604, outputRateWindowTime: 1000, dropThreshold: 2104
Total frames rendered: 64920, number of frames that lagged: 1116 (1.72%) (it's okay for some frames to lag)
RTMPPublisher::SocketLoop: Aborting due to bStopping
Number of b-frames dropped: 0 (0%), Number of p-frames dropped: 0 (0%), Total 0 (0%)
=====Stream End=======================================================================

Profiler results:

==============================================================
frame - [100%] [avg time: 6.721 ms] [avg calls per frame: 1] [children: 86.3%] [unaccounted: 13.7%]
| scene->Preprocess - [11.4%] [avg time: 0.763 ms] [avg calls per frame: 1]
| video encoding and uploading - [75%] [avg time: 5.039 ms] [avg calls per frame: 1] [children: 41%] [unaccounted: 34%]
| | CopyResource - [0.744%] [avg time: 0.05 ms] [avg calls per frame: 0]
| | conversion to 4:2:0 - [0.208%] [avg time: 0.014 ms] [avg calls per frame: 0]
| | call to encoder - [39.8%] [avg time: 2.678 ms] [avg calls per frame: 0]
| | sending stuff out - [0.164%] [avg time: 0.011 ms] [avg calls per frame: 0]
==============================================================
 
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