Turn off air conditioners or fans that can interfere with the recording's clarity. Common Issues & Solutions
Open QuickTime Player, select File > New Audio Recording , and record. The output is an Apple MPEG-4 audio file ( .m4a ). Tips for High-Quality Audio
🎯 Even a great format like .m4a won't save a bad recording.
Most built-in voice recorders use .m4a because it provides high-quality audio in a relatively small file size.