Yes, I have blind test myself of the two files that were recorded by bandicam. One was H264 AVI mp3 256kbps, another one was H264 MP4 aac 192kbps, Their sound quality are different. I can easily pick out the file of mp3 256kbps in the blind test. The 256kbps MP3 has better sound than 192kbps AAC. D...