jeenas comments
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facharbeit.lyx
338
facharbeit.lyx
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@ -382,8 +382,26 @@ Its goal is to convey an understanding of the inner workings of electronic
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functional modular synthesizer setup that is fun to play and experiment
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with.
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The intention was to investigate the possibilities and limits in designing
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and building an analog sound device for someone, who had not been in contact
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with analog synthesizers, let alone building electronics devices before.
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and building an analog sound device for someone,
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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I think the
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\begin_inset Quotes eld
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\end_inset
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,
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\begin_inset Quotes erd
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\end_inset
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should not be here
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\end_layout
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\end_inset
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who had not been in contact with analog synthesizers, let alone building
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electronics devices before.
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The project was inspired by the film
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\emph on
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moog
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@ -411,8 +429,18 @@ Chapter Overview
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\end_layout
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\begin_layout Standard
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The first chapter represents the research on the historical background of
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analog synthesizers since the beginning of the twentieth century.
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The first chapter
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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Isn't it the second chapter you mean?
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\end_layout
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\end_inset
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represents the research on the historical background of analog synthesizers
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since the beginning of the twentieth century.
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It was tried to outline important milestones in the historic development
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from the first electronic sound generating devices until a point in time
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when manufacturers of modular synthesizers have developed a profitable
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@ -492,7 +520,17 @@ cite[p.~12]{Manning1985}
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\begin_layout Standard
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Around 1900 american Thaddeus Cahill initiated a new era of music by inventing
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a 200 ton machine known as the Dynamophone or Thelharmonium
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a 200 ton
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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ton like the unit of measure of weight?
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\end_layout
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\end_inset
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machine known as the Dynamophone or Thelharmonium
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\begin_inset ERT
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status open
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@ -808,9 +846,19 @@ The german engineer Harald Bode contributed to the design of several new
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He was primarily interested in providing tools for a wide range of musicians,
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which is why his contributions straddled between the two major design tradition
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s of new sounds versus imitation of traditional ones.
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He turned out to be one of central figures in the history of electronic
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music, since he was also one of the primary engineers in establishing the
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classic tape music studio in europe
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He turned out to be one of
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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the
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\end_layout
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\end_inset
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central figures in the history of electronic music, since he was also one
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of the primary engineers in establishing the classic tape music studio
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in europe
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\begin_inset ERT
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status open
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@ -952,6 +1000,32 @@ Around the same time the outstanding guitarist and inventor Les Paul became
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in late 1959 through 1960.
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His system featured ring modulator devices, envelope followers and generators,
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voltage-controlled amplifiers, filters, mixers and others
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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I think it should be
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\begin_inset Quotes eld
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\end_inset
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and other
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\begin_inset Quotes erd
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\end_inset
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instead of
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\begin_inset Quotes eld
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\end_inset
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others
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\begin_inset Quotes erd
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\end_inset
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\end_layout
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\end_inset
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\begin_inset ERT
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status open
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@ -985,8 +1059,17 @@ cite[p.~20]{Dunn1992}
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\end_layout
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\begin_layout Standard
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In 1963 Robert Moog, a passionate inventor from Ithaca, New York, was selling
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kits of transistorized Theremins
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In 1963 Robert Moog, a passionate inventor from Ithaca, New York
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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perhaps you could add the country too?
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\end_layout
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\end_inset
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, was selling kits of transistorized Theremins
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\begin_inset ERT
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status open
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@ -1149,8 +1232,26 @@ citealp[p.~22]{Dunn1992}
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synthesizer
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\emph default
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ever since.
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It seemed much more interesting to emphasize new timbral possibilities
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and stress the complexity that could arise from randomness.
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It seemed
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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I assume you mean something like
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\begin_inset Quotes eld
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\end_inset
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it seemed to him
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\begin_inset Quotes erd
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\end_inset
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? Or was it something which seemed so to everybody?
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\end_layout
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\end_inset
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much more interesting to emphasize new timbral possibilities and stress
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the complexity that could arise from randomness.
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At the same time Buchla was fascinated with designing control devices other
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than the standard keyboard, which Moog decided to use for playing
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\begin_inset ERT
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@ -1254,6 +1355,17 @@ vspace*{-2em}
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In 1966 Bob Moogs first production model was available from the business
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R.A.
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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Should we have a space between the R.
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and A.?
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\end_layout
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\end_inset
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Moog Co.
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that he had founded
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\begin_inset ERT
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@ -1487,6 +1599,17 @@ cite[p.~55]{Ruschkowski1990}
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the high-low time ratio can be accessed.
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This has a distinct influence on the wave's timbre.
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In this case, the square becomes a pulse waveform.
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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It would be cool to have a figure here which would show the 4 waves.
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\end_layout
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\end_inset
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\end_layout
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\begin_layout Subsection
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@ -1783,8 +1906,33 @@ General
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\end_layout
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\begin_layout Standard
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In the context of audio electronics it is important to be know that sound
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signals are nothing but currents.
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In the context of audio electronics it is important to be know
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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I assume you wanted to write
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\begin_inset Quotes eld
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\end_inset
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it is important to know
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\begin_inset Quotes erd
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\end_inset
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without the
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\begin_inset Quotes eld
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\end_inset
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be
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\begin_inset Quotes erd
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\end_inset
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\end_layout
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\end_inset
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that sound signals are nothing but currents.
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\end_layout
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@ -1806,6 +1954,24 @@ Rotary Knob
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\begin_layout Standard
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intermodular stuff like buffering
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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a word like
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\begin_inset Quotes eld
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\end_inset
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stuff
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\begin_inset Quotes erd
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\end_inset
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sounds misplaced in a well written paper
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\end_layout
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\end_inset
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\end_layout
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\begin_layout Section
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@ -1830,6 +1996,17 @@ Natural Resonance
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\begin_layout Standard
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The most basic form of an oscillator circuit producing a sawtooth signal
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can be realized with just a few parts.
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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It seems the following sentences seem to be more a list then a normal text,
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perhaps you should format them as a ordered list?
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\end_layout
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\end_inset
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A current charges a capacitor at a certain rate.
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Between the electrodes of the capacitor a voltage potential rises.
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The voltage is constantly compared with a reference voltage by a detector
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@ -2366,22 +2543,89 @@ y manufactured circuit boards for this project as opposed to elaborating
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\end_layout
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\begin_layout Standard
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During the research phase of this project the author found out about a modular
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synthesizer building workshop taking place in berlin monthly.
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During the research phase of this project the author found out about
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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\begin_inset Quotes eld
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\end_inset
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the author foud out about
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\begin_inset Quotes erd
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\end_inset
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sounds weird, try to find something less personal like
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\begin_inset Quotes eld
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\end_inset
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it came to the authors attention that
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\begin_inset Quotes erd
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\end_inset
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\end_layout
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\end_inset
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a modular synthesizer building workshop taking place in berlin monthly.
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It is organized by a spanish collective from barcelona called
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\emph on
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befaco
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\emph default
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(http://befaco.org/).
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At the workshop it was possible to acquire various module kits containing
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all necessary parts and also receive tips and support while assembling
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them.
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At the workshop it was possible
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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either
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\begin_inset Quotes eld
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\end_inset
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at this workshop it was possible
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\begin_inset Quotes erd
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\end_inset
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or
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\begin_inset Quotes eld
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\end_inset
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at the workshop it is possible
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\begin_inset Quotes erd
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\end_inset
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\end_layout
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\end_inset
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to acquire various module kits containing all necessary parts and also
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receive tips and support while assembling them.
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\end_layout
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\begin_layout Standard
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Since the budget for this project was limited, it was tried to arrange a
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smaller setup that would still offer lots of sound design possibilities.
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Since the budget for this project was limited
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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perhaps
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\begin_inset Quotes eld
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\end_inset
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Because of budget limitations
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\begin_inset Quotes erd
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\end_inset
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would sound nicer
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\end_layout
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\end_inset
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, it was tried to arrange a smaller setup that would still offer lots of
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sound design possibilities.
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\end_layout
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\begin_layout Standard
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@ -2410,7 +2654,25 @@ There are several formats for module sizes, power supply plugs or patchchord
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with a height of 128.5mm.
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These EuroRack modules use jack connectors for patching.
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A different size format often used in the DIY modular synth scene is the
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one the serge synthesizers use.
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one the serge
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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what are
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\begin_inset Quotes eld
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\end_inset
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serge synthesizers
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\begin_inset Quotes erd
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\end_inset
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? I don't think they were introduced yet?
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\end_layout
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\end_inset
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synthesizers use.
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They use banana jack connectors instead of mini jack for patching, which
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have the possibility of stacking banana connectors on top of each other
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and splitting the signal without having to use a multiplier module.
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@ -2523,6 +2785,15 @@ cite[p.~74]{Sontheimer2004}
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\end_inset
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.
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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I assume the dot here should be removed?
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\end_layout
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\end_inset
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and mounted onto a perf board.
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Instead of the 7815 and 7915 voltage regulator ICs the 7812 and 7912 were
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used in order to get a ±12 volt power supply with a center tap for the
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@ -2557,6 +2828,16 @@ pagebreak
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\end_inset
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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Why the pagebreak here? It looks displaced.
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\end_layout
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\end_inset
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\end_layout
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\begin_layout Section
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@ -2711,6 +2992,19 @@ When turning resonance up, at one point the filter begins to self-resonate
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Turning the resonance to the maximum, the filter goes into distortion and
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the wave becomes more square causing the sound to get more rough.
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The amount of distortion is visually represented by a red LED.
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\begin_inset Note Comment
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status open
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\begin_layout Plain Layout
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Will we get a complete schema somewhere in the appendix or something? The
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description is nice to read but I'm quite sure one could not replicate
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your prototype from this text alone.
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\end_layout
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\end_inset
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\end_layout
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\begin_layout Standard
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