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This commit is contained in:
Lucas Cordiviola
2022-04-12 23:17:03 -03:00
parent 1ca5c25706
commit 19822c017f
89 changed files with 282 additions and 282 deletions
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node34.html
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@@ -117,12 +117,12 @@ you can send messages to select which table to use.
<A NAME="2556"></A>record an audio signal into a wavetable. In this example the
<TT>tabwrite~</TT> is used to display the output (although later
on it will be used for all sorts of other things.) Whenever it receives a
``bang" message from the pushbutton icon above it, <TT>tabwrite~</TT> begins
"bang" message from the pushbutton icon above it, <TT>tabwrite~</TT> begins
writing successive samples of its input to the named table.
<P>
Example B03.tabread4.pd shows how to combine a <TT>phasor~</TT> and a <TT>tabread4~</TT> object to make a wavetable oscillator. The <TT>phasor~</TT>'s output ranges from
0 to 1 in value. In this case the input wavetable, named ``waveform12", is 131
0 to 1 in value. In this case the input wavetable, named "waveform12", is 131
elements long. The domain for the <TT>tabread4~</TT> object is thus from 1 to
129. To adjust the range of the <TT>phasor~</TT> accordingly, we multiply it by
the length of the domain (128) so that it reaches between 0 and 128, and then
@@ -133,7 +133,7 @@ between the <TT>phasor~</TT> and the <TT>tabread4~</TT>.
<P>
With only these four boxes we would have essentially reinvented the
<TT>tabosc4~</TT> class. In this example, however, the multiplication
is not by a constant 128 but by a variable amount controlled by the ``squeeze"
is not by a constant 128 but by a variable amount controlled by the "squeeze"
parameter. The function of the four boxes at the right hand side of the patch
is to supply the <TT>*~</TT> object with values to scale the
<TT>phasor~</TT> by. This makes use of one more new object class:
@@ -150,18 +150,18 @@ is to supply the <TT>*~</TT> object with values to scale the
number of arguments, their types (usually numbers) and their initial values.
The inlets (there will be as many as you specified creation arguments) update
the values of the message arguments, and, if the leftmost inlet is changed
(or just triggered with a ``bang" message), the message is output.
(or just triggered with a "bang" message), the message is output.
<A NAME="pdpack"></A>
<P>
In this patch the arguments are initially 0 and 50, but the number box will
update the value of the first argument, so that, as pictured, the most recent
message to leave the <TT>pack</TT> object was ``206 50". The effect of this
message to leave the <TT>pack</TT> object was "206 50". The effect of this
on the <TT>line~</TT> object below is to ramp to 206 in 50 milliseconds; in
general the output of the <TT>line~</TT> object is an audio signal that smoothly
follows the sporadically changing values of the number box labeled ``squeeze".
follows the sporadically changing values of the number box labeled "squeeze".
<P>
Finally, 128 is added to the ``squeeze" value; if ``squeeze" takes non-negative
Finally, 128 is added to the "squeeze" value; if "squeeze" takes non-negative
values (as the number box in this patch enforces), the range-setting multiplier
ranges the phasor by 128 or more. If the value is greater than 128, the effect
is that the rescaled phasor spends some fraction of its cycle stuck at the end