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Sat Jul 16 11:44:04 2016 UTC (6 years, 6 months ago) by schoenebeck
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* NKSP: Added built-in functions change_attack(), change_decay() and
  change_release().

1 <html>
2 <head>
3 <meta name="author" content="Christian Schoenebeck">
4 <title>change_attack() function</title>
5 <meta name="description" content="Modifies the attack time of voices of a particular note.">
6 </head>
7 <body>
8 <h1>change_attack()</h1>
9 <p>
10 This function can be used to modify the attack time of active voices of a
11 particular note.
12 In contrast to other synthesis parameter related functions,
13 this function only allows to change the attack time when the respective note
14 is new, that is either i.e. at the beginning of a <code lang="nksp">note</code>
15 event handler or right after calling <code>play_note()</code>. So you should
16 perform the attack value change as soon as possible, especially before calling any
17 <code>wait()</code> function and before entering a loop which might take a
18 long time to execute (which might cause your script to get
19 forcely suspended by the script engine due to real-time constraints).
20 </p>
21 <p>
22 The attack time changes set by calling this function are always applied relatively to
23 the attack time calculated by the synthesis model and sampler format. That means
24 the various sources of volume factors like MIDI CCs and other attack parameter
25 factors that may be defined by the instrument patch, are always processed and
26 calculated for the voices first, and the final attack time applied is always
27 a relative combination of all those factors and the one set with this function call.
28 Or in other words: you cannot replace the volume set by other synthesis
29 sources with this function.
30 </p>
31
32 <note class="important">
33 Release Trigger Samples: In case the affected voices cause release trigger
34 samples to be spawned later on, the attack time of those release trigger voices
35 will not be affected by this function at all. So if you need to control the
36 attack time of release trigger samples by script, then you might rather also trigger
37 those release trigger samples by script with <code lang="nksp">play_note()</code>
38 instead of using the sampler format's internal support for release trigger samples.
39 </note>
40
41 <h3>Function Prototype</h3>
42 <p/>
43 <code lang="nksp">
44 change_attack(??note??, ??time??)
45 </code>
46
47 <h3>Arguments</h3>
48 <table>
49 <tr>
50 <th>Argument Name</th> <th>Data Type</th> <th>Description</th>
51 </tr>
52 <tr>
53 <td><code>??note??</code></td>
54 <td>Note ID Number or Note ID Array</td>
55 <td>All voices of this note will be modified.<br>
56 [required]</td>
57 </tr>
58 <tr>
59 <td><code>??time??</code></td>
60 <td>Integer Number</td>
61 <td>Attack Time Value (abstract absolute value between 0 for shortest time and 1000000 for longest time).<br>
62 [required]</td>
63 </tr>
64 </table>
65
66 <h3>Return Value</h3>
67 <p>None.</p>
68
69 <h3>Examples</h3>
70 <p>None yet.<p>
71
72 <h3>Availabilty</h3>
73 <p>Since LinuxSampler 2.0.0.svn19.<p>
74
75 </body>
76 </html>

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