I don't have a webcam plugged in and I have no other voice capturing devices, but here's the log for that session:
01:29:06: =====Stream Start: 2014-03-04, 01:29:06===============================================
01:29:06: Multithreaded optimizations: On
01:29:06: Base resolution: 1600x900
01:29:06: Output resolution: 1280x720
01:29:06: ------------------------------------------
01:29:06: Loading up D3D10 on NVIDIA GeForce GTX 680 (Adapter 1)...
01:29:06: ------------------------------------------
01:29:06: Audio Format: 48000hz
01:29:06: Playback device Default
01:29:06: ------------------------------------------
01:29:06: Using desktop audio input: Speakers (2- Realtek High Definition Audio)
01:29:06: Using quad speaker setup
01:29:06: ------------------------------------------
01:29:06: Using auxilary audio input: Mic in at rear panel (Pink) (2- Realtek High Definition Audio)
01:29:06: Using graphics capture
01:29:06: Scene buffering time set to 400
01:29:06: Audio timestamp for device 'Mic in at rear panel (Pink) (2- Realtek High Definition Audio)' was behind target timestamp by 63601587
01:30:51: Total frames encoded: 0, total frames duplicated: 0 (0.00%)
01:30:51: Total frames rendered: 5045, number of late frames: 1 (0.02%) (it's okay for some frames to be late)
01:30:51:
01:30:51: Profiler time results:
01:30:51:
01:30:51: ==============================================================
01:30:51: video thread frame - [100%] [avg time: 0.084 ms] [children: 72.6%] [unaccounted: 27.4%]
01:30:51: | scene->Preprocess - [1.19%] [avg time: 0.001 ms]
01:30:51: | GPU download and conversion - [71.4%] [avg time: 0.06 ms] [children: 70.2%] [unaccounted: 1.19%]
01:30:51: | | flush - [70.2%] [avg time: 0.059 ms]
01:30:51: ==============================================================
01:30:51:
01:30:51:
01:30:51: Profiler CPU results:
01:30:51:
01:30:51: ==============================================================
01:30:51: video thread frame - [cpu time: avg 0 ms, total 0 ms] [avg calls per frame: 1]
01:30:51: | scene->Preprocess - [cpu time: avg 0 ms, total 0 ms] [avg calls per frame: 1]
01:30:51: | GPU download and conversion - [cpu time: avg 0 ms, total 0 ms] [avg calls per frame: 1]
01:30:51: | | flush - [cpu time: avg 0 ms, total 0 ms] [avg calls per frame: 1]
01:30:51: ==============================================================
01:30:51:
01:30:51: =====Stream End: 2014-03-04, 01:30:51=================================================