ffmpeg conversion for an entire folder?

Ive been using:

sudo ffmpeg -i Test.mkv -vcodec copy -acodec libfaac -ac 2 -ab 328k Test.mp4

for individual files, but now I have many gigabytes of mkvs in a folder and would like to do a conversion for all at once and walk away from the computer. I appologize for my ignorance, but i am very new to linux and i dont understand how bash scripts are written or if it would even be necessary.

also, i believe the command downsamples the DTS audio in the mkv to 2 channel AAC. am i correct that 328k is the highest bitrate I can convert to?


One way to do it, this assumes at least one MKV file in the folder.

for INF in *.mkv
  ffmpeg -i "$INF" -c:v copy -c:a libfaac -ac 2 -ab 328k "${INF%.*}.mp4"

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