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23 <p class=
"p1"><span class=
"s1"><b>LFDNoise0
<span class=
"Apple-tab-span"> </span><span class=
"Apple-tab-span"> </span><span class=
"Apple-tab-span"> </span><span class=
"Apple-tab-span"> </span><span class=
"Apple-tab-span"> </span></b></span><b>dynamic step noise
</b></p>
24 <p class=
"p2"><br></p>
25 <p class=
"p1"><b>LFDNoise0.ar(freq, mul, add)
</b></p>
26 <p class=
"p1"><b>LFDNoise0.kr(freq, mul, add)
</b></p>
27 <p class=
"p2"><br></p>
28 <p class=
"p1">Like
<b>LFNoise0
</b>, it generates random values at a rate given
<span class=
"Apple-converted-space"> </span></p>
29 <p class=
"p1">by the
<b>freq
</b> argument,
<span class=
"Apple-converted-space"> </span>with two differences:
</p>
30 <p class=
"p2"><br></p>
31 <p class=
"p1">-no time quantization
<span class=
"Apple-converted-space"> </span></p>
32 <p class=
"p1">-fast recovery from low freq values.
</p>
33 <p class=
"p2"><br></p>
34 <p class=
"p1">(LFNoise0,
1,
2 quantize to the nearest integer division of the samplerate,
</p>
35 <p class=
"p1">and they poll the freq argument only when scheduled, and thus seem
<span class=
"Apple-converted-space"> </span></p>
36 <p class=
"p1">to hang when freqs get very low).
</p>
37 <p class=
"p2"><br></p>
38 <p class=
"p1">If you don't need very high or very low freqs, or use fixed freqs,
<span class=
"Apple-converted-space"> </span></p>
39 <p class=
"p1">LFNoise0 is more efficient.
</p>
40 <p class=
"p2"><br></p>
41 <p class=
"p1"><b>freq
</b> - rate at which to generate random values.
</p>
42 <p class=
"p2"><br></p>
43 <p class=
"p3"><span class=
"s2">see also:
<a href=
"LFNoise0.html">LFNoise0
</a>,
<a href=
"LFDNoise1.html">LFDNoise1
</a>,
<a href=
"LFDNoise3.html">LFDNoise3
</a></span></p>
44 <p class=
"p2"><br></p>
45 <p class=
"p2"><br></p>
46 <p class=
"p4">// try wiggling mouse quickly;
</p>
47 <p class=
"p4">// LFNoise frequently seems stuck, LFDNoise changes smoothly.
</p>
48 <p class=
"p5"><br></p>
49 <p class=
"p6">{
<span class=
"s3">LFNoise0
</span>.ar(
<span class=
"s3">MouseX
</span>.kr(
0.1,
1000,
1),
0.1)
<span class=
"Apple-converted-space"> </span>}.play
</p>
50 <p class=
"p5"><br></p>
51 <p class=
"p6">{
<span class=
"s3">LFDNoise0
</span>.ar(
<span class=
"s3">MouseX
</span>.kr(
0.1,
1000,
1),
0.1)
<span class=
"Apple-converted-space"> </span>}.play
</p>
52 <p class=
"p2"><br></p>
53 <p class=
"p4">// silent for
2 secs before going up in freq
</p>
54 <p class=
"p5"><br></p>
55 <p class=
"p6">{
<span class=
"s3">LFNoise0
</span>.ar(
<span class=
"s3">XLine
</span>.kr(
0.5,
10000,
3),
0.1) }.scope;
</p>
56 <p class=
"p5"><br></p>
57 <p class=
"p6">{
<span class=
"s3">LFDNoise0
</span>.ar(
<span class=
"s3">XLine
</span>.kr(
0.5,
10000,
3),
0.1) }.scope;
</p>
58 <p class=
"p5"><br></p>
59 <p class=
"p5"><br></p>
60 <p class=
"p4">// LFNoise quantizes time steps at high freqs, LFDNoise does not:
</p>
61 <p class=
"p5"><br></p>
62 <p class=
"p6">{
<span class=
"s3">LFNoise0
</span>.ar(
<span class=
"s3">XLine
</span>.kr(
1000,
20000,
10),
0.1) }.scope;
</p>
63 <p class=
"p5"><br></p>
64 <p class=
"p6">{
<span class=
"s3">LFDNoise0
</span>.ar(
<span class=
"s3">XLine
</span>.kr(
1000,
20000,
10),
0.1) }.scope;
</p>
65 <p class=
"p5"><br></p>
66 <p class=
"p6">{
<span class=
"s3">LFNoise2
</span>.ar(
1000,
0.25) }.play;
</p>
67 <p class=
"p5"><br></p>
68 <p class=
"p5"><br></p>
69 <p class=
"p5"><br></p>
