Verdict
Ensure you are using at least or the latest nightly build . Developers frequently release updates to handle tricky metadata in MP3 and AC3 files that previously caused this error. 4. Check File Metadata avidemux cannot use that file as audio track
While many formats are supported, the file must be one of the following: WAV (16/24-bit), MP3, MP2, AC3, E-AC3, DTS , or AAC in ADTS/LATM form. How to Fix It Verdict Ensure you are using at least or