Jf.m4a - Recording

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

Open the Voice Memos app and tap the red Record button. The file is automatically saved as an .m4a . Recording jf.m4a

Small rooms with carpets or curtains help dampen echo. Open QuickTime Player, select File > New Audio

What device are you planning to record on? I can provide if you tell me your setup. Open QuickTime Player

If you need to trim your recording, you can use Online M4A Cutters or desktop apps like Audacity.