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Difference between revisions of "SCI/Specifications/Sound/SCI0 Resource Format"
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SCI/Specifications/Sound/SCI0 Resource Format (view source)
Revision as of 01:37, 1 May 2010
, 01:37, 1 May 2010→Amiga Sound (SCI1)/Macintosh Sound (SCI1/1.1)
(SCI Mac SCI1/1.1 uses the same patch format as Amiga SCI1) |
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*[02][03] (int16) End note number (inclusive) [0-127] | *[02][03] (int16) End note number (inclusive) [0-127] | ||
*[04]..[07] (uint32) pointer to sample data | *[04]..[07] (uint32) pointer to sample data | ||
*[08][09] (int16) Transpose value [0a] | *[08][09] (int16) Transpose value | ||
*[0a] Attack speed [0-31] | |||
*[0b] Attack target velocity [0-64] | *[0b] Attack target velocity [0-64] | ||
*[0c] Decay speed [0-31] | *[0c] Decay speed [0-31] | ||
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*[0f] Unknown (always 0) | *[0f] Unknown (always 0) | ||
*[10][11] (int16) Fixed note number for this instrument, or -1 | *[10][11] (int16) Fixed note number for this instrument, or -1 | ||
*[12][13] (int16) 0 = looping on, | *[12][13] (int16) 0 = looping on, <>0 = looping off | ||
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*[00]..[07] Sample name | *[00]..[07] Sample name | ||
*[08][09] (int16) 0 = unsigned samples, | *[08][09] (int16) 0 = unsigned samples, <>0 = signed samples | ||
*[0a][0b] (int16) Start offset of phase 1 | *[0a][0b] (int16) Start offset of phase 1 | ||
*[0c][0d] (int16) End offset (inclusive) of phase 1 | *[0c][0d] (int16) End offset (inclusive) of phase 1 | ||
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MIDI notes are not used directly when doing table lookups. Every sample has a native MIDI note that needs to be taken as a base. If the sample is played back at the native MIDI note, the period length is obtained from the 8th semitone in the table (cent 800) at the 11th octave, i.e. the value at offset <tt>0x0080</tt> in the table, divided by two 10 times. This period length will also correspond to the samplerate at the end of the table. | MIDI notes are not used directly when doing table lookups. Every sample has a native MIDI note that needs to be taken as a base. If the sample is played back at the native MIDI note, the period length is obtained from the 8th semitone in the table (cent 800) at the 11th octave, i.e. the value at offset <tt>0x0080</tt> in the table, divided by two 10 times. This period length will also correspond to the samplerate at the end of the table. | ||
==General MIDI and MT-32 (SCI1)== | ==General MIDI and MT-32 (SCI1)== | ||