[FFmpeg-devel] Ableton live aiff file
Carl Eugen Hoyos
ceffmpeg at gmail.com
Fri Sep 20 11:41:28 EEST 2019
Am Fr., 20. Sept. 2019 um 10:30 Uhr schrieb Carl Eugen Hoyos
<ceffmpeg at gmail.com>:
> > https://files-adamj-eu.s3.amazonaws.com/ffmpeg-devel/Raylon-190-Full.aif
> > https://files-adamj-eu.s3.amazonaws.com/ffmpeg-devel/Raylon-190-Full.wav
> Thank you for posting the samples!
> They are "encrypted", I doubt it is a strong encryption (too many
> patterns) but I don't know how to undo it.
This is the beginning of the encrypted audio (could be wrong endianness):
00000000 de d1 f3 23 96 87 73 53 75 ad ac b7 4a 93 6e 95 |...#..sSu...J.n.|
00000010 51 ec 74 ed 86 60 16 86 af 47 7d 65 b1 ea 11 03 |Q.t..`...G}e....|
00000020 ad 40 4c f6 dd 06 a4 23 91 3a 19 ae 61 dd 94 f2 |. at L....#.:..a...|
00000030 c6 80 0d ce 68 a7 22 90 ba 50 e3 78 5f 0c f5 4c |....h."..P.x_..L|
00000040 82 4c ac d9 44 7a 77 a7 6d c0 1c 58 71 5d bd 7b |.L..Dzw.m..Xq].{|
00000050 a5 41 d8 5d 5e 04 83 36 cf 17 ac e6 43 d3 3d ac |.A.]^..6....C.=.|
00000060 df 91 60 ce c6 72 cb a4 0b 6f 5f 27 0d a0 82 27 |..`..r...o_'...'|
00000070 88 0e 8b 41 3e f5 23 34 3c 4e 6b 4e 32 86 df d5 |...A>.#4<NkN2...|
00000080 32 f5 6a 56 88 e9 e6 79 47 92 46 7a 7c 84 7e 9f |2.jV...yG.Fz|.~.|
00000090 ae f0 69 c2 c1 58 d2 2d 80 ab 75 24 22 14 fe 5d |..i..X.-..u$"..]|
000000a0 98 42 df 68 02 91 b8 42 d1 1d a0 d7 87 ac 13 89 |.B.h...B........|
000000b0 38 3d 46 66 f7 88 4b da 53 54 71 51 a0 8c 51 98 |8=Ff..K.STqQ..Q.|
000000c0 58 bb 5c 40 0b 78 aa e9 4f 90 97 c6 1a 68 4b bc |X.\@.x..O....hK.|
000000d0 37 53 43 80 78 2f 37 79 52 ce 91 e6 34 5c c6 de |7SC.x/7yR...4\..|
000000e0 1d 94 f2 68 85 38 d7 f1 45 7a e0 f4 32 41 c7 d9 |...h.8..Ez..2A..|
000000f0 0e 01 e6 7e 32 d3 12 4d 1e be bd 31 b7 06 b3 cf |...~2..M...1....|
This is the pcm_s24le output:
00000000 00 00 00 00 00 00 49 07 00 49 07 00 ec f9 ff eb |......I..I......|
00000010 f9 ff 82 e1 ff 81 e1 ff a4 26 00 a2 26 00 cf 6d |.........&..&..m|
00000020 ff cd 6d ff b6 b6 ff b4 b6 ff 31 d2 00 2e d2 00 |..m.......1.....|
00000030 78 ef 00 76 ef 00 d2 ec fe d1 ec fe b8 0b 00 b6 |x..v............|
00000040 0b 00 98 56 00 94 56 00 4d 71 ff 49 71 ff ee 76 |...V..V.Mq.Iq..v|
00000050 00 eb 76 00 0c 4e 00 08 4e 00 ac f0 00 a8 f0 00 |..v..N..N.......|
00000060 81 1d ff 7c 1d ff e5 85 ff e2 85 ff ae 0d fe a9 |...|............|
00000070 0d fe 31 37 00 2c 37 00 ac ac 02 a8 ac 02 df ac |..17.,7.........|
00000080 00 d9 ac 00 31 be fe 2b be fe 0c c7 00 06 c7 00 |....1..+........|
00000090 92 7d fd 8c 7d fd a9 50 05 a3 50 05 c2 dd fe bc |.}..}..P..P.....|
000000a0 dd fe 71 07 fe 6a 07 fe d9 ef fb d1 ef fb e9 c7 |..q..j..........|
000000b0 05 e2 c7 05 c0 4c ff ba 4c ff e1 27 00 d9 27 00 |.....L..L..'..'.|
000000c0 7e 9e 00 77 9e 00 32 99 fe 2b 99 fe ae 7b 01 a5 |~..w..2..+...{..|
000000d0 7b 01 90 03 ff 89 03 ff 70 7b fc 67 7b fc a7 10 |{.......p{.g{...|
000000e0 01 9c 10 01 73 44 03 69 44 03 91 6e f9 86 6e f9 |....sD.iD..n..n.|
000000f0 ae a3 05 a3 a3 05 2f c8 00 24 c8 00 bf e7 02 b3 |....../..$......|
Carl Eugen
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