/ Computer Music Interacti…pecial Edition 2000 April / cd.iso / pc / PC / Compression / MediaCleaner / program1.z / MediaCleanerDemo.qtr / PANl_509_Keyframes_

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+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 01 4b 65 79 66 72 61 | 6d 65 73 20 61 72 65 20 |..Keyfra|mes are |
|00000010| 74 68 65 20 27 77 68 6f | 6c 65 20 69 6d 61 67 65 |the 'who|le image|
|00000020| 27 20 66 72 61 6d 65 73 | 20 75 70 6f 6e 20 77 68 |' frames| upon wh|
|00000030| 69 63 68 20 74 68 65 20 | 64 65 6c 74 61 20 66 72 |ich the |delta fr|
|00000040| 61 6d 65 73 20 61 72 65 | 20 62 61 73 65 64 2e 00 |ames are| based..|
|00000050| 00 0b 00 04 00 00 4b 00 | 00 00 b9 00 13 1f a7 00 |......K.|........|
|00000060| 00 54 68 65 20 62 65 73 | 74 20 73 65 74 74 69 6e |.The bes|t settin|
|00000070| 67 20 64 65 70 65 6e 64 | 73 20 6f 6e 20 74 68 65 |g depend|s on the|
|00000080| 20 63 6f 64 65 63 20 61 | 6e 64 20 79 6f 75 72 20 | codec a|nd your |
|00000090| 6e 65 65 64 73 2e 20 20 | 47 65 6e 65 72 61 6c 6c |needs.  |Generall|
|000000a0| 79 20 79 6f 75 20 73 68 | 6f 75 6c 64 20 75 73 65 |y you sh|ould use|
|000000b0| 20 27 45 76 65 72 79 27 | 2e 00 00 05 00 00 b9 00 | 'Every'|........|
|000000c0| 00 00 f5 00 10 00 20 00 | 00 54 68 65 20 62 65 73 |...... .|.The bes|
|000000d0| 74 20 73 65 74 74 69 6e | 67 20 64 65 70 65 6e 64 |t settin|g depend|
|000000e0| 73 20 6f 6e 20 74 68 65 | 20 63 6f 64 65 63 20 61 |s on the| codec a|
|000000f0| 6e 64 20 79 6f 75 72 20 | 6e 65 65 64 73 2e 20 20 |nd your |needs.  |
|00000100| 47 65 6e 65 72 61 6c 6c | 79 2c 20 31 20 65 76 65 |Generall|y, 1 eve|
|00000110| 72 79 20 73 65 63 6f 6e | 64 20 69 73 20 67 6f 6f |ry secon|d is goo|
|00000120| 64 20 66 6f 72 20 43 69 | 6e 65 70 61 6b 3b 20 31 |d for Ci|nepak; 1|
|00000130| 20 65 76 65 72 79 20 35 | 20 2d 20 31 30 20 73 65 | every 5| - 10 se|
|00000140| 63 6f 6e 64 73 20 69 73 | 20 67 6f 6f 64 20 66 6f |conds is| good fo|
|00000150| 72 20 53 6f 72 65 6e 73 | 6f 6e 20 56 69 64 65 6f |r Sorens|on Video|
|00000160| 2e 00 00 06 46 72 61 6d | 65 73 00 00 fa 00 00 01 |....Fram|es......|
|00000170| 2c 00 10 00 04 00 00 00 | 00 06 4e 61 74 75 72 61 |,.......|..Natura|
|00000180| 6c 3a 20 00 00 0a 00 18 | 00 4b 00 28 00 04 00 00 |l: .....|.K.(....|
|00000190| 00 00 07 4e 61 74 75 72 | 61 6c 20 66 72 65 71 75 |...Natur|al frequ|
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|000001b0| 64 27 4e 61 74 75 72 61 | 6c 20 66 72 65 71 75 65 |d'Natura|l freque|
|000001c0| 6e 63 79 27 20 63 6f 6e | 74 72 6f 6c 73 20 68 6f |ncy' con|trols ho|
|000001d0| 77 20 66 72 65 71 75 65 | 6e 74 6c 79 20 61 64 64 |w freque|ntly add|
|000001e0| 69 74 69 6f 6e 61 6c 20 | 6b 65 79 66 72 61 6d 65 |itional |keyframe|
|000001f0| 73 20 61 72 65 20 67 65 | 6e 65 72 61 74 65 64 20 |s are ge|nerated |
|00000200| 77 68 65 6e 20 6e 65 65 | 64 65 64 2e 20 35 30 20 |when nee|ded. 50 |
|00000210| 69 73 20 6f 66 74 65 6e | 20 61 20 67 6f 6f 64 20 |is often| a good |
|00000220| 73 74 61 72 74 69 6e 67 | 20 70 6f 69 6e 74 2e 00 |starting| point..|
|00000230| 00 06 72 61 72 65 2f 6f | 66 66 00 00 50 00 32 00 |..rare/o|ff..P.2.|
|00000240| 78 00 3c 00 01 00 00 4d | 6f 76 69 6e 67 20 74 68 |x.<....M|oving th|
|00000250| 65 20 73 6c 69 64 65 72 | 20 74 6f 77 61 72 64 73 |e slider| towards|
|00000260| 20 27 72 61 72 65 2f 6f | 66 66 27 20 72 65 64 75 | 'rare/o|ff' redu|
|00000270| 63 65 73 20 74 68 65 20 | 6e 75 6d 62 65 72 20 6f |ces the |number o|
|00000280| 66 20 65 78 74 72 61 20 | 6b 65 79 66 72 61 6d 65 |f extra |keyframe|
|00000290| 73 2c 20 62 75 74 20 63 | 61 6e 20 64 65 67 72 61 |s, but c|an degra|
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|000002b0| 20 64 75 72 69 6e 67 20 | 74 6f 75 67 68 20 74 72 | during |tough tr|
|000002c0| 61 6e 73 69 74 69 6f 6e | 73 2e 00 00 06 66 72 65 |ansition|s....fre|
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|000002f0| 64 65 72 20 74 6f 77 61 | 72 64 73 20 27 66 72 65 |der towa|rds 'fre|
|00000300| 71 75 65 6e 74 27 20 69 | 6e 63 72 65 61 73 65 73 |quent' i|ncreases|
|00000310| 20 74 68 65 20 6e 75 6d | 62 65 72 20 6f 66 20 65 | the num|ber of e|
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|00000330| 62 75 74 20 63 61 6e 20 | 64 65 67 72 61 64 65 20 |but can |degrade |
|00000340| 74 68 65 20 64 65 6c 74 | 61 20 66 72 61 6d 65 20 |the delt|a frame |
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|00000390| 50 00 40 01 2c 00 58 00 | 00 00 64 27 4b 65 79 66 |P.@.,.X.|..d'Keyf|
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|000003c0| 65 20 6b 65 79 66 72 61 | 6d 65 73 20 61 72 65 20 |e keyfra|mes are |
|000003d0| 69 6e 20 72 65 6c 61 74 | 69 6f 6e 20 74 6f 20 74 |in relat|ion to t|
|000003e0| 68 65 20 64 65 6c 74 61 | 20 66 72 61 6d 65 73 2e |he delta| frames.|
|000003f0| 20 20 47 65 6e 65 72 61 | 6c 6c 79 20 74 68 69 73 |  Genera|lly this|
|00000400| 20 63 6f 6e 74 72 6f 6c | 20 69 73 20 75 73 65 64 | control| is used|
|00000410| 20 77 68 65 6e 20 6d 61 | 6b 69 6e 67 20 73 74 72 | when ma|king str|
|00000420| 65 61 6d 69 6e 67 20 6d | 6f 76 69 65 73 2e 00 00 |eaming m|ovies...|
|00000430| 06 6d 69 6e 69 6d 75 6d | 00 00 50 00 5a 00 78 00 |.minimum|..P.Z.x.|
|00000440| 64 00 01 00 00 27 4d 69 | 6e 69 6d 75 6d 27 20 6d |d....'Mi|nimum' m|
|00000450| 61 6b 65 73 20 74 68 65 | 20 6b 65 79 66 72 61 6d |akes the| keyfram|
|00000460| 65 73 20 63 6c 6f 73 65 | 72 20 69 6e 20 73 69 7a |es close|r in siz|
|00000470| 65 20 74 6f 20 74 68 65 | 20 64 65 6c 74 61 20 66 |e to the| delta f|
|00000480| 72 61 6d 65 73 2e 20 20 | 54 68 69 73 20 70 72 6f |rames.  |This pro|
|00000490| 64 75 63 65 73 20 61 20 | 66 6c 61 74 74 65 72 20 |duces a |flatter |
|000004a0| 64 61 74 61 20 72 61 74 | 65 2c 20 77 68 69 63 68 |data rat|e, which|
|000004b0| 20 6d 61 79 20 62 65 20 | 67 6f 6f 64 20 66 6f 72 | may be |good for|
|000004c0| 20 73 74 72 65 61 6d 69 | 6e 67 2c 20 62 75 74 20 | streami|ng, but |
|000004d0| 69 73 20 6e 6f 74 20 72 | 65 63 6f 6d 6d 65 6e 64 |is not r|ecommend|
|000004e0| 65 64 20 66 6f 72 20 67 | 65 6e 65 72 61 6c 20 75 |ed for g|eneral u|
|000004f0| 73 65 2e 00 00 06 6e 61 | 74 75 72 61 6c 00 01 04 |se....na|tural...|
|00000500| 00 5a 01 2c 00 64 00 01 | 00 00 27 4e 61 74 75 72 |.Z.,.d..|..'Natur|
|00000510| 61 6c 27 20 61 6c 6c 6f | 77 73 20 74 68 65 20 63 |al' allo|ws the c|
|00000520| 6f 64 65 63 20 74 6f 20 | 64 65 74 65 72 6d 69 6e |odec to |determin|
|00000530| 65 20 74 68 65 20 62 65 | 73 74 20 73 69 7a 65 20 |e the be|st size |
|00000540| 66 6f 72 20 6b 65 79 66 | 72 61 6d 65 73 20 61 6e |for keyf|rames an|
|00000550| 64 20 64 65 6c 74 61 20 | 66 72 61 6d 65 73 2e 20 |d delta |frames. |
|00000560| 20 54 68 69 73 20 69 73 | 20 72 65 63 6f 6d 6d 65 | This is| recomme|
|00000570| 6e 64 65 64 20 66 6f 72 | 20 67 65 6e 65 72 61 6c |nded for| general|
|00000580| 20 75 73 65 2e 00       |                         | use..  |        |
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