The given audio file was just a audio morse code which can put inside [a online decoder](https://databorder.com/transfer/morse-sound-receiver/) to get the flag.
![image](https://github.com/jeromepalayoor/ctf-archive-hub/assets/63996033/9e28e79b-06d9-442e-bddb-807b3ef4bcba)
Flag: `tjctf{thisisallonewordlmao}`