Currently this can not be changed with Voukoder. I guess you should be able to change it with an external tool. I will check about the effort to add this functionality to voukoder.
So ... I guess this would make you happy?
Audio
ID : 2
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : mp4a-40-2
Duration : 31 s 851 ms
Source duration : 31 s 872 ms
Bit rate mode : Variable
Bit rate : 272 kb/s
Maximum bit rate : 320 kb/s / 320 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 1.03 MiB (45%)
Source stream size : 1.03 MiB (45%)
Language : Swedish
Default : Yes
Alternate group : 1
mdhd_Duration : 31851It will be included for both video and audio tracks in the Voukoder 10 version.
