Hydrogenaudio Forums > difference between MP4 AAC and mp2 AAC

marshorizon

Nov 16 2005, 20:21

hai:
is there anyone could tell me the difference between mp4 aac and mpeg2 aac?

thanks before hand!

kurtnoise

Nov 16 2005, 22:17

marshorizon

Nov 17 2005, 02:05

QUOTE(kurtnoise @ Nov 16 2005, 08:17 PM)

thanks for you,the two articles only introduce AAC,i want to know de difference in detail. that is which feature ?

Garf

Nov 17 2005, 02:12

MPEG 4 AAC = MPEG 2 AAC + PNS + LTP profile

marshorizon

Nov 18 2005, 00:00

thanks for you,as i remembered,maybe there is PNS but no LTP,according 13818.
i willl check it .

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