在下用会声会影录了段游戏，输出uvs100321-009.AVI，播放这个AVI的时候毫无异常，画面声音输出完全同步。
但用X264和AAC把视频音频重新洗一遍以后就有略微零点几秒的不同步，加了convertfps=true，压了十几次似乎也没啥用，还是老毛病。过来求助下解决方法
这是录好的AVI的原编码
General
Complete name: D:\uvs100321-009.AVI
Format : AVI
Format/Info : Audio Video Interleave
File size: 876 MiB
Duration : 19mn 26s
Overall bit rate : 6 300 Kbps
Video
ID : 0
Format : MPEG-4 Visual
Format profile : Simple@L1
Format settings, BVOP: No
Format settings, QPel: No
Format settings, GMC : No warppoints
Format settings, Matrix : Default (H.263)
Codec ID : XVID
Codec ID/Hint: XviD
Duration : 19mn 25s
Bit rate : 4 691 Kbps
Width: 640 pixels
Height : 480 pixels
Display aspect ratio : 4:3
Frame rate : 29.970 fps
Resolution : 24 bits
Colorimetry : 4:2:0
Scan type: Progressive
Bits/(Pixel*Frame) : 0.509
Stream size : 652 MiB (74%)
Writing library : Lavc52.35.0
Audio
Format : PCM
Format settings, Endianness : Little
Format settings, Sign: Unsigned
Codec ID : 1
Codec ID/Hint: Microsoft
Duration : 19mn 26s
Bit rate mode: Constant
Bit rate : 1 536 Kbps
Channel(s) : 2 channels
Sampling rate: 48.0 KHz
Resolution : 16 bits
Stream size : 214 MiB (24%)
Interleave, duration : 500 ms (14.98 video frames)
Interleave, preload duration : 500 ms
