atrac3p:envelope_y_trees
Table of Contents
envelop point Y coordinate trees
These trees are built as canonical huffman trees. Remember that negative values are 2's complement encoded and thus appear after the positive values in the trees.
envelope y tree
- 0-3: 7 bit
- 4: 5 bits
- 5: 3 bits
- 6: 4 bits
- 7: 1 bits
- 8: 3 bits
- 9: 4 bits
- 10,11: 6 bits
- 12-15: 7 bits
delta y tree
- -8..-5: 9 bits
- -4: 7 bits
- -3: 4 bits
- -2: 2 bits
- -1: 1 bit
- 0: missing
- +1: 3 bits
- +2: 5 bits
- +3: 7 bits
- +4..+7: 9 bits
delta-to-master y tree
- -8..-5: 9 bits
- -4: 8 bits
- -3: 7 bits
- -2: 4 bits
- -1: 3 bits
- 0: 1 bit
- +1: 2 bits
- +2: 5 bits
- +3: 8 bits
- +4..+7: 9 bits
delta-to-prev-envelope y tree
- -8..-5: 9 bits
- -4: 7 bits
- -3: 5 bits
- -2: 3 bits
- -1: 3 bits
- 0: 1 bit
- +1: 3 bits
- +2: 4 bits
- +3: 7 bits
- +4..+7: 9 bits
atrac3p/envelope_y_trees.txt · Last modified: 2010/10/21 22:02 by megadiscman