48kbps M4a(467.82 Kb) Here
: Expect "FM radio" quality. While music might sound slightly "thin" or metallic (especially in the high-end frequencies), speech remains remarkably clear. Best Use Cases :
: At 48kbps, the AAC (Advanced Audio Coding) codec used in M4A files uses aggressive psychoacoustic modeling. It discards frequencies that the human ear struggles to hear to keep the file size minimal. 48kbps m4a(467.82 KB)
: Suitable for users on slow mobile data connections. Comparative Perspective : Expect "FM radio" quality

