Yes, It is!! but even if you save it as .mp3 extension, you will have a flash video file that just have audio with mp3 codec!!
Code:
Complete name : C:\temp\rtmpdump\kulturtermin_0478.mp3
Format : Flash Video
File size : 4.72 KiB
Duration : 287ms
Overall bit rate : 135 Kbps
_duration : 1287.967
Audio
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 3
Codec ID : 2
Codec ID/Hint : MP3
Duration : 287ms
Bit rate mode : Constant
Bit rate : 128 Kbps
Channel(s) : 2 channels
Sampling rate : 44.1 KHz
Compression mode : Lossy
After downloading, convert it to a mp3 file with 128kbps bitrate!!
