commit 021b06ce7ce43bddbf467871000ed91fea30dfbd
parent 606c435b39ee7037dfd85b7e515df3593617a9d6
Author: Johannes Lorenz <[email protected]>
Date: Sun, 27 Apr 2014 20:07:45 +0200
Docs: Fixes for images in effects.txt.
Diffstat:
3 files changed, 26 insertions(+), 15 deletions(-)
diff --git a/doc/Makefile b/doc/Makefile
@@ -4,7 +4,7 @@
all: gen-files man xhtml chunked pdf
gen-files:
-# cd gen; make
+ cd gen; make
xhtml: zynaddsubfx.txt envelope.txt intro.txt lfo.txt
diff --git a/doc/README.txt b/doc/README.txt
@@ -0,0 +1,9 @@
+Requirements for this directory:
+
+ * standalone (latex module)
+ * pgfplots (latex module)
+ * pst-sigsys (latex module)
+ * auto-pst-pdf (latex module)
+ * pst-tools (latex module)
+ * gnuplot
+
diff --git a/doc/effects.txt b/doc/effects.txt
@@ -127,8 +127,10 @@ the input. This version is being pitched by an LFO. More detailled, this pitch
is generated by varying the reading speed of the delayed sound; the variation
amount is controlled by an LFO.
-image::./gen/chorus.png[width="700", title="The chorus effect. $z^{-n.m}$
-describes the delay. TODO: Add LFO pointing to delay?"]
+image:./gen/chorus.png[width=700,
+ title="The chorus effect. z^(-n.m) describes the delay."]
+
+TODO: Add LFO pointing to delay?
Related effects to Chorus are Flangers. Flangers can be described as Chorus
with very short LFO delay and little LFO depth. You can imagine a flanger as two
@@ -181,8 +183,6 @@ The basic components of distortion are mainly
* the waveshaping function
* filters
-image::./gen/distort.png[width="700"]
-
Preamplification changes the volume before the wave is shaped, and is indeed the
amount of distortion. For example, if you clip a signal, the louder the input
gets, the more distortion you will get. This can have different meanings for
@@ -212,9 +212,9 @@ Function
We explain the functionality in a diagram and list the components below.
-image::./gen/distort.png[width="700", title="The components of a distortion
-function."]
-
+image:./gen/distort.png[width=700,
+ title="The components of a distortion function."]
+
* Negation is the first thing to happen. If the *Neg* Checkbox is activated, the
amplitude is multiplied by -1.
* Panning is applied. Note, however, that you have to activate the
@@ -264,8 +264,8 @@ filter which dynamically changes its frequency. The frequency is an additive of:
* an LFO from the effect parameters
* the "amplitude" of the input wave
-image::./gen/dynamic.png[width="700", title="The components of a dynamical
-filter"]
+image:./gen/dynamic.png[width=700,
+ title="The components of a dynamical filter"]
The amplitude of the input wave is not the current amplitude, but the so called
https://en.wikipedia.org/wiki/Root_mean_square["Root Mean Square (RMS)"] value.
@@ -322,8 +322,8 @@ low and especially high frequencies get lost earlier over distance than middle
frequencies do. Next, the sound is delayed, and then it will be output and added
to the input.
-image::./gen/echo.png[width="700", title="The echo effect includes a feedback
-line, labeled as $z^{-n}$, and a delay."]
+image:./gen/echo.png[width="700",
+ title="The echo includes a fb line, labeled as z^-n, and a delay."]
********************************************************************
The exact formula in the source code for the dampening effect is as follows:
@@ -386,7 +386,8 @@ filters are being applied. These make the resulting sound more realistic. The
parameters for these filters depend on the roomsize. For details, consider the
information about https://ccrma.stanford.edu/~jos/pasp/Freeverb.html[Freeverb].
-image::./gen/reverb.png[width="700", "The reverb, being similar to the echo."]
+image:./gen/reverb.png[width=700,
+ "The reverb, being similar to the echo."]
Description
^^^^^^^^^^^
@@ -442,8 +443,9 @@ the case of white noise --- totally at random whether the delayed signal
currently duplicates the unchanged path, or whether it cancels it out to zero.
This random effect results in white noise between the clear blue structures.
-image::./images/phaser-spectrogram.jpg[width="700", title="Spectrogram of an
-8-stage phaser modulated by a sine LFO applied to white noise."]
+image:./images/phaser-spectrogram.jpg[width="700",
+ title="Spectrogram of an 8-stage phaser
+ modulated by a sine LFO applied to white noise."]
Phaser Types
^^^^^^^^^^^^
