我使用AVI-MPEG-ASF-WMV Splitter V4.28
剪接這一部H.264的影片

General
Complete name : E:\xxxxxxx.avi
Format : AVI
Format/Info : Audio Video Interleave
Format/Family : RIFF
File size : 992 MiB
PlayTime : 1h 39mn
Bit rate : 1391 Kbps
Writing application : VirtualDubMod 1.5.10.2 (build 2540/release)
Writing library : VirtualDubMod build 2540/release
Video #0
Codec : Intel H.264
Codec/Info : Intel H.264
PlayTime : 1h 39mn
Bit rate : 1186 Kbps
Width : 640 pixels
Height : 480 pixels
Aspect ratio : 4/3
Frame rate : 29.970 fps
Resolution : 16 bits
Bits/(Pixel*Frame) : 0.129
Audio #1
Codec : MPEG-1 Audio layer 3
Codec profile : Joint stereo
PlayTime : 1h 39mn
Bit rate : 192 Kbps
Bit rate mode : CBR
Channel(s) : 2 channels
Sampling rate : 48 KHz
Resolution : 16 bits
Video0 delay : 24ms
Writing library : LAME3.93
Encoding settings : CBR

VirtualDubMod 應該也可以，這一片的聲音檔是我用VirtualDubMod取出重新轉檔後再合併回去的。