JPEG uses this path for its blocks, rather than anything fancy and Hilbert-ish: http://www.johnloomis.org/ece563/notes/compression/jpeg/tutorial/jpeg_zig.gif ht

JPEG uses this path for its blocks, rather than anything fancy and Hilbert-ish: http://www.johnloomis.org/ece563/notes/compression/jpeg/tutorial/jpeg_zig.gif http://www.johnloomis.org/ece563/notes/compression/jpeg/tuto... I think this alone would be an improvement for the mp3 encoder.