Electronic Music Systems

by **Phil Thalasso** » Sun Nov 04, 2018 11:33 am

Hello you all,

I have been very busy with my professional life, but I really appreciate what has been posted recently by Halon and Bob and others. Thank you for sharing all that!
And thank you Spogg for cleaning up the daily spam-mess.
To give something back, here's a book on DSP that - to my knowledge - can't be downloaded via any html.index. So here are the links:

The Scientist and Engineer's Guide to Digital Signal Processing

https://www.analog.com/media/en/technic ... p_book_Ch1 to Ch33.pdf plus dsp_book_frontmat.pdf for the introduction

Spelled out:

https://www.analog.com/media/en/technic ... ontmat.pdf
https://www.analog.com/media/en/technic ... ok_Ch1.pdf
https://www.analog.com/media/en/technic ... ok_Ch2.pdf etc.

And another download list concering filters:

123.physics.ucdavis.edu/week_5_files/filters/digital_filter.pdf
https://users.dimi.uniud.it/~antonio.da ... ilters.pdf
https://pubweb.eng.utah.edu/~cs5785/sli ... 18-1up.pdf
http://www.music.mcgill.ca/~ich/classes ... sChap2.pdf you can browse the directory via http://www.music.mcgill.ca/~ich/classes/which looks promising, though I haven't checked it.
https://www.theseus.fi/bitstream/handle ... sequence=1

Website:
http://spinlab.wpi.edu/courses/ece503_2014/ looks interesting
http://spinlab.wpi.edu/courses/ece503_2 ... design.pdf

Website:
http://www.rw.cdl.uni-saarland.de/priva ... S0203.html Is a course on embedded systems.

http://www.rw.cdl.uni-saarland.de/~kaes ... cthr05.pdf concerns digital filters. I have not looked at the rest of the course.

I wish you all a good sunday and a happy Diwali next week.

Regards
Phil

by **Phil Thalasso** » Fri Nov 16, 2018 1:01 pm

by **BobF** » Sat Nov 17, 2018 4:56 pm

Thanks for taking the time to find these Phil, great job, BobF.....

by **Phil Thalasso** » Sun Nov 18, 2018 12:23 pm

Thanks Bob,
here's another list:

https://www.d-filter.ece.uvic.ca/

see especially for slides

https://www.d-filter.ece.uvic.ca/support-materials.html

Chap. 1: Introduction to Digital Signal Processing
Chap. 1: Analog Filters and Applications
Chap. 1: Digital Filters and Applications
Chap. 3: Z Transform and Properties
Chap. 3: Z-Transform Inversion Techniques
Chap. 3: Spectral Representation of Discrete-Time Signals
Chap. 4: Properties of Discrete-Time Systems
Chap. 4: Characterization, Network Representation, and Analysis of Discrete-Time Systems
Chap. 4: Introduction to Time-Domain Analysis of Discrete-Time Systems
Chap. 4: Convolution Summation
Chap. 4: State-Space Representation of Discrete-Time Systems
Chap. 5: Transfer Function of Discrete-Time Systems
Chap. 5: Stability of Discrete-Time Systems
Chap. 5: Time-Domain Analysis of Discrete-Time Systems Using the Z Transform
Chap. 5: Frequency-Domain Analysis of Discrete-Time Systems
Chap. 5: Aliasing in Discrete-Time Systems
Chap. 5: Frequency Response of Digital Filters
Chap. 5: Transfer Functions for Digital Filters
Chap. 6: Fourier Transforms of Impulse Functions and Periodic Signals
Chap. 6: The Sampling Process: Poisson's Summation Formula, Impulse-Modulated Signals
Chap. 6: The Sampling Process: Sampling Theorem, Aliasing, Interrelations
Chap. 6: The Sampling Process: Processing of Continuous-Time Signals by Using Digital Filters
Chap. 8: Direct and Direct Canonic Realizations of Digital Filters
Chap. 8: State-Space, Lattice, Cascade, Parallel, and Transpose Realizations of Digital Filters
Chap. 9: Properties of Constant-Delay Nonrecursive (FIR) Filters
Chap. 9: Design of Nonrecursive (FIR) Filters by Using the Fourier Series Method
Chap. 9: Design of Nonrecursive (FIR) Filters by Using the Fourier Series Method: Design of Interpolators, Differentiators, and Integrators
Chap. 10: Approximations for Analog Filters: Butterworth, Chebyshev, Inverse-Chebyshev, Elliptic, and Bessel-Thomson Approximations
Chap. 10: Analog-Filter Transformations
Chap. 11: Design of Recursive (IIR) Filters: Invariant Impulse-Response Method, the Modified Invariant Impulse-Response Method, and the Matched-z Transformation Method
Chap. 11: Design of Recursive (IIR) Filters by Using the Bilinear Transformation Method
Chap. 12: Design of Recursive (IIR) Filters Satisfying Prescribed Specifications by Using the Bilinear Transformation Method
Chap. 15: Design of Nonrecursive (FIR) Filters by Using the Weighted-Chebyshev Method
Chap. 16: Design of Recursive (IIR) Filters by Using Optimization Methods: Newton Algorithm
Chap. 16: Design of Recursive (IIR) Filters by Using Optimization Methods: Quasi-Newton and Minimax Algorithms
Chap. 16: Design of Recursive (IIR) Filters by Using Optimization Methods: Recursive Filters and Equalizers

with solutions!

Fractional Delay Digital Filters
http://cdn.intechweb.org/pdfs/18566.pdf

Modern Analog Filter Analysis and Design
http://milas.spb.ru/~kmg/index.html
http://milas.spb.ru/~kmg/files/literatu ... proach.pdf

Designing active analog filters in minutes
http://www.ti.com/lit/an/slyt549/slyt549.pdf

Bandstop filters and the Bainter topology
http://www.ti.com/lit/an/slyt613/slyt613.pdf

How to compare your circuit requirements to active-filter approximations
http://www.ti.com/lit/an/slyt681/slyt681.pdf

Active Low-Pass Filter Design
http://www.ti.com/lit/an/sloa049b/sloa049b.pdf

Converting Analog into Digital Filters - beis.de (English link)
https://www.beis.de/Elektronik/Filter/A ... gFilt.html

filter design workshop - Electrical and Computer Engineering ...
http://www.ece.uprm.edu/~domingo/teachi ... _170117.pd

Course Website
https://ocw.mit.edu/courses/mechanical- ... fall-2008/
https://ocw.mit.edu/courses/mechanical- ... materials/
https://ocw.mit.edu/courses/mechanical- ... design.pdf

Course Website:
https://web.stanford.edu/class/ee133/handouts/
https://web.stanford.edu/class/ee133/ha ... okbook.pdf

Website:
https://www.radio-electronics.com/info/ ... torial.php

Website
http://site.iugaza.edu.ps/aliafana/169/

DSP LECTURES

Chapter 1 (Sampling Theorm)

Chapter 2 (Discrete-Time Signals and Systems) (Not Examined)

Chapter 3 (Z-Transform)

Chapter 4 (DTFS and DTFT)

Chapter 5 (Discrete Fourier Transform DFT)

Chapter 6 ( Fast Fourier Transform FFT)

Chapter X (Analog Filters) (DOWNLOAD)

Chapter 8 (Digital Filters)

Hardware project from England:

https://web.wpi.edu/Pubs/E-project/Avai ... 15-142325/

This project comprised the development of a digital music synthesizer capable of performing subtractive synthesis with several stages of audio effects processing. The system was implemented on the Zedboard, a development board with a Xilinx Zynq System-on-Chip, a multifunctional device which features a dual-core ARM microprocessor and Field-Programmable Gate Array (FPGA) logic. The completed synthesizer was capable of producing a wide variety of musical tones, many aspects of which were completely controllable by the user. Overall system control was provided by real-time embedded software running on the ARM microprocessor. Waveform generation and synthesizer effects modules were designed in Verilog and implemented in custom logic using fixed-point digital signal processing techniques.

https://web.wpi.edu/Pubs/E-project/Avai ... esizer.pdf

For those of you that enable cookies and java-script:

https://vk.com/nonamesynth
Официальное сообщество поддержки проекта создания синтезатора.
Official community (forum) to support a project to create a (hardware) synthesizer
vk ist the Russian equivalent to facebook.
Quite a few posts are in English. Interesting glance into the Russian Synth scene,
which even in soviet days was very active. Electronic instruments were rather rare and
usually you could only get one if you had very good connections or were a state-approved
musician. So some people started to build there own one-off instruments from whatever
they could lay their hands on. Parts were traded all across across the red-empire
and a project would require years to complete.
So I was told by a Russian my age whom I met in Munich some years ago and then started looking
into things closer.
Nowadays there is a very active community analog / digital community that often come out
with amazing instruments. I guess we all know Dmitry Sches (Diversion, Thorn) who is from
Minsk / Belarus or may have heard of Polivoks, Aelita etc.
If you were interested: http://www.ruskeys.net/eng/synths.php
Some of the old gear ist still functional and trades on the secondary market quite well.
There is a small company in Poland that is well known for selling refurbished analog
synths, it's called analogia.pl.
For current output: http://www.electronicbeats.net/the-feed ... now-about/

My favourite state-of-the-art Russian synth is: https://somasynths.com/lyra-organismic-synthesizer/

You all have a good time.
Regards

Phil

by **Phil Thalasso** » Sat Dec 01, 2018 10:40 am

Hello you all,

I am currently working on music per se, so this has at first glance little to do with Flowstone.
I do believe, however, that it may be interesting to integrate the knowledge presented in the
articles below into a sequencer of sorts. Please note that I am not announcing anything of
that kind, but it is on my project agenda.

Papers on Euclidian Rhythms:

cgm.cs.mcgill.ca/~godfried/publications/banff.pdf
https://pdfs.semanticscholar.org/e9d2/c ... 1627e3.pdf
erikdemaine.org/papers/DeepRhythms_CGTA/paper.pdf
http://www.maths.usyd.edu.au/u/joachimw/talk2.pdf
citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.72.1340&rep=rep1&type=pdf
https://www.schillingersociety.com/wp-c ... Myers_.pdf
https://www.researchgate.net/publicatio ... an_rhythms

Why I am interested:
http://www.qubitelectronix.com/modules/pulsar
I'll get that module as a Christmas present for myself :-)

I wish you a pleasant and peaceful week-end. If I am not totally mistaken, tomorrow is the time
to light the first candle on the advent wreath.

Regards
Phil

by **Phil Thalasso** » Sat Dec 08, 2018 9:32 am

Hello you all,

here are some more papers on music and rhythm:

Exploring the Geometry of Music with Technology:
Rhythm, Scales and Temperament via Geogebra

https://archive.bridgesmathart.org/2018 ... 18-667.pdf

Mathematical Notation, Representation, and Visualization
of Musical Rhythm: A Comparative Perspective

http://www.ijmlc.org/papers/127-I024.pdf

An Attempt to Combine Mathematics and Visual Arts
A Research on Islamic Geometric Patterns

https://gupea.ub.gu.se/bitstream/2077/2 ... 0529_1.pdf

Mathematical Music Theory|Status Quo 2000

citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.2.8716&rep=rep1&type=pdf

The Sound of Numbers
A Tour of Mathematical Music Theory

people.sju.edu/~rhall/proposal.pdf

The Geometry of Melodic, Harmonic, and Metrical
Hierarchy

people.bu.edu/jyust/mcm09_revised.pdf

Algorhythms: Generating some Interesting Rhythms

http://www.maths.usyd.edu.au/u/joachimw/talk2.pdf

RHYTHM COMPLEXITY MEASURES:
A COMPARISON OF MATHEMATICAL MODELS OF
HUMAN PERCEPTION AND PERFORMANCE

http://www.mirlab.org/conference_papers ... 08_125.pdf

THE GEOMETRY OF MUSICAL CHORDS

dmitri.mycpanel.princeton.edu/voiceleading.pdf

RHYTHM

https://www.cl.cam.ac.uk/~rja14/musicfi ... rhythm.pdf

Rhythmanalysis

https://grrrr.org/data/edu/20110509-cas ... me_and.pdf

The geometric bridge between arts and science

mimoza.marmara.edu.tr/~maeyler/CONNECTIONS.pdf

XronoMorph: Algorithmic Generation of Perfectly
Balanced and Well-Formed Rhythms

http://www.nime.org/proceedings/2016/ni ... er0077.pdf

KARNATIC RHYTHMICAL STRUCTURES
as a source for new thinking in
WESTERN MUSIC

https://bura.brunel.ac.uk/bitstream/243 ... Thesis.pdf

RHYTHMIC STABILITY AS EXPLANATION OF CATEGORY SIZE

mcg.uva.nl/mmm-2003/papers/mmm-59.pdf

Visual Music: Searching for an Aesthetic

staff.pccu.edu.tw/~tdl/VisualMusic.pdf

Designing the Drum Loop

http://www.nyu.edu/projects/farbood/the ... Thesis.pdf

A paper with an interest in rhythm

www2.supsi.ch/cms/tsw/wp-content/uploads/sites/22/2016/07/1-s2.0-S0016718502000313-main.pdf

The Geometry of Musical Rhythm

https://pdfs.semanticscholar.org/e9d2/c ... 1627e3.pdf

Website: http://wilfridhodges.co.uk

Mathematics and music

http://wilfridhodges.co.uk/music01.pdf

http://wilfridhodges.co.uk/music02.pdf

http://wilfridhodges.co.uk/greenwichtime.pdf

wilfridhodges.co.uk/music04a.pdf

wilfridhodges.co.uk/music04b.pdf

Have a nice week-end!

Regards
Phil

by **Spogg** » Sat Dec 08, 2018 10:25 am

You’ve compiled a huge and amazing resource in this topic and I personally really appreciate it very much.

I just need a few more lives running in parallel to follow up on everything :lol:

Thank you so much for this work.

Cheers

Spogg

by **Phil Thalasso** » Sun Dec 09, 2018 12:02 pm

Hey Spogg,

I am just getting ready for my holidays over X-mas and thought I should share.
But I do appreciate the fact that to some the stuff I link to is of interest.

Here is some more:

Algorithms:

Free Algorithm Collections For Digital Signal Processing

http://www.segwit.co/algorithm_collecti ... ng_mdp.pdf

Matlab algorithms

http://lib.mdp.ac.id/ebook/Karya%20Umum ... ations.pdf

http://www.mattmorgante.com/technology/algorithms

https://rosettacode.org/wiki/Category:Ruby

http://blog.dspsynth.eu/

Arduino Synth

http://blog.dspsynth.eu/how-to-build-a-string-synth/
https://janostman.files.wordpress.com/2 ... cecode.pdf

I wonder if that could be translated into a fs-schematic?

Website with lots of useful links:

https://vcvrack.com/manual/DSP.html

eb sites on rhythm and math:

http://cgm.cs.mcgill.ca/~godfried/rhyth ... atics.html

http://people.sju.edu/~rhall/Rhythms/

The Mathematics of Music

Music is a field of study that has an obvious relationship to mathematics. Music is, to many people, a nonverbal form of communication, that reaches past the human intellect directly into the soul. However, music is not really created by mankind, but only discovered, manipulated and reorganized by mankind.

http://jackhdavid.thehouseofdavid.com/papers/math.html

Mathematical Music Theory 1: The Overtone Series

Since I'm coming up dry on actual math, I thought I'd give a few lessons on music theory from a mathematical viewpoint.
https://hilbertthm90.wordpress.com/2013 ... ne-series/

Papers

Brief Historical Bond of Music & Math • Music and math have been important to each other as far back as the Pythagoreans. Pythagoreans made a remarkable discovery about numbers dealing with the dependence of musical intervals upon numerical ratios such as 4/4, 3/4, 6/8, 3/8.

https://math.rice.edu/~nsfmli/presentat ... matics.pdf

Algorithmic Music: Using Mathematical Models in Music Composition
Algorithmic Music: Using Mathematical Models in Music Composition by GUSTAVO DIAZ-JEREZ Thesis advisor: Nils Vigeland The intimate connection between music and mathematics has been acknowledged throughout history. This paper is a survey of the most relevant methods employed today in algorithmic composition. It covers stochastic processes.

http://www.gustavodiazjerez.com/Gustavo ... is_MSM.pdf

Music and Mathematics Thomas M. Fiore
Music theory is not just for the listener. Music theory is also useful to the composer.

www-personal.umd.umich.edu/~tmfiore/1/musictotal.pdf

What is Mathematical Music Theory?

http://www-personal.umd.umich.edu/~tmfi ... Slides.pdf

A Study on Relationship Between Mathematics and Music

The history of the study of mathematics and music is intertwined, so it is only natural to begin this research paper by briefly outlining this relationship.

http://rdmodernresearch.org/wp-content/ ... /11/94.pdf

An Exploration of the Relationship between Mathematics and Music

Questions and problems arising in music theory have often been solved by investigations into mathematics and physics throughout history. The second section will discuss some of the mathematics of sound and music. Conversely, mathematical ideas and language have often directly inﬂuenced concepts of music theory.

http://eprints.ma.man.ac.uk/1548/01/cov ... 10_103.pdf

Math and Music - University of Michigan

http://www-personal.umich.edu/~francc/f ... _music.pdf

Music:BrokenSymmetry, Geometry,andComplexity

https://www.ams.org/notices/201001/rtx100100030p.pdf

Chaos and Fractals in Music

http://mathcs.holycross.edu/~groberts/C ... ls-web.pdf

Mathematics and group theory in music

The purpose of this paper is to show through particular examples how group theory is used in music. The examples are chosen from the theoretical work and from the compositions of Olivier Messiaen.

https://www.researchgate.net/publicatio ... y_in_music

The Framework of Music Theory as Represented with Groups

https://sites.math.washington.edu/~morr ... rs/Ada.pdf

Mathematical Music Theory

http://superm.math.hawaii.edu/_lessons/ ... eory_I.pdf
http://superm.math.hawaii.edu/_lessons/ ... ory_II.pdf

Books

David Wright April 8, 2009 - Department of Mathematics
Mathematics and Music David Wright April 8, 2009. 2. i ... He designed and teaches a university course in Mathematics and Music, the notes from which formed the beginnings of this book.

https://www.math.wustl.edu/~wright/Math109/00Book.pdf

The Theory and Technique of Electronic Music

The Theory and Technique of Electronic Music is a uniquely complete source of information for the computer synthesis of rich and interesting musical timbres. The theory is clearly presented in a completely general form.

msp.ucsd.edu/techniques/v0.11/book.pdf

Formalized Music

https://monoskop.org/images/7/74/Xenaki ... sition.pdf

Presentation

Music Theory for Musicians and Normal People

http://tobyrush.com/theorypages/pdf/complete.pdf

by **Phil Thalasso** » Fri Dec 14, 2018 10:04 am

Hello Forum,

some more on rhythm and maths. Enjoy and have a good week-end!

Presentation
https://www.latrobe.edu.au/marketing/as ... ackson.pdf

Intelligent Generation of Rhythmic Sequences Using Finite L-systems
https://www.math.upatras.gr/~vrahatis/p ... aReady.pdf

Mathematics of Musical Rhythm
www.sju.edu/~rhall/Rhythms/bobby.pdf

Creating Music from Chaos
https://www.math.dartmouth.edu/~m53f07/proj/Sisson.doc

An Exploration of the Relationship between Mathematics and Music
http://eprints.ma.man.ac.uk/1548/1/cove ... 10_103.pdf

How many melodies are there?
https://plus.maths.org/content/how-many ... -are-there

A blog article about music composition, math, geometry, number sequences, pi, phi, fibonacci, dodecaphony, Twelve-tone technique etc.
https://roelhollander.eu/en/blog-music/ ... h-numbers/

Regards
Phil

by **Phil Thalasso** » Sun Dec 23, 2018 12:06 pm

Hello Flowstoners,

I wish you all a Merry Christmas and a good holiday season!
Below please find some links that are concerned with algorithmic composition.

On this oaccassion I also would like to express my gratitude to everybody who
contributes to this forum. I come here very frequently and am thankful for any
shared ideas and schematics. The time I can spend with flowstone is rather
limited, although I'd like to do much more.

Papers:

Fascinating Characteristics and Applications of the Fibonacci Sequence

digitalcommons.liberty.edu/cgi/viewcontent.cgi?article=1145&context=honors

The Use and Abuse of Fibonacci Numbers

https://www.bachnetwork.org/ub1/tatlow.pdf

Fibonacci Numbers and Computer-Algorithms

people.sc.fsu.edu/~inavon/5420a/fibonacci.pdf

Computoser - rule-based, probability-driven algorithmic music composition

https://arxiv.org/abs/1412.3079

and also: http://computoser.com/

and furthermore: https://github.com/glamdring/computoser

and in the same direction: http://musicalgorithms.org

respectively: https://music.stackexchange.com/questio ... omposition

Analysis of Algorithms

huttenhower.sph.harvard.edu/moodle/pluginfile.php/756/mod_folder/content/0/Huttenhower-Dynamic_Programming.pdf?forcedownload=1

Six Techniques for Algorithmic Music Composition

peterlangston.com/Papers/amc.pdf

A GENETIC ALGORITHM FOR COMPOSING MUSIC
In this paper, a genetic algorithm for making music compositions is presented
http://elib.mi.sanu.ac.rs/files/journal ... 57-177.pdf

Generation of music through genetic algorithms
https://gupea.ub.gu.se/bitstream/2077/3 ... 7004_1.pdf

Introduction 1 Overview 2 Calculating Fibonacci Numbers

https://www2.cs.duke.edu/courses/spring ... uction.pdf

A STUDY OF IMAGE-BASED MUSIC COMPOSITION

https://www.cs.sfu.ca/research/groups/V ... icme08.pdf

Grammar-Based Automated Music Composition in Haskell

http://functional-art.org/2013/quick.pdf

Algorithmic Composition of Popular Music

http://www.speech.kth.se/prod/publicati ... s/3822.pdf

ALGORITHMIC MUSIC

http://www.gustavodiazjerez.com/Gustavo ... is_MSM.pdf

The Bartók Controversy - Mathematics and Computer Science

mathcs.holycross.edu/~groberts/Courses/Mont2/Handouts/Lectures/Bartok-web.pdf

Optimal control and the fibonacci sequence

https://www.ssb.no/publikasjoner/pdf/dp674.pdf

Lecture 18: Dynamic Programming I: Memoization, Fibonacci, Crazy Eights

courses.csail.mit.edu/6.006/fall09/lecture_notes/lecture18.pdf

On the origin of the Fibonacci Sequence

www-history.mcs.st-andrews.ac.uk/Publications/fibonacci.pdf

Algorithms and Data Structures

https://www.researchgate.net/profile/Re ... ursion.pdf

A Novel Approach to Automatic Music Composing: Using Genetic Algorithm

https://www.researchgate.net/profile/Da ... ion_detail

Fibonacci sequence, golden section, Kalman filter

http://www.idsia.ch/~alessio/fibonacci4.pdf

BachProp: Learning to Compose Music in Multiple Styles

https://arxiv.org/pdf/1802.05162

A Novel Automatic Composition System Using Evolutionary Algorithm

http://mx.nthu.edu.tw/~ckting/pubs/isj2015.pdf

Characterizing chaotic melodies in automatic music composition

http://producao.usp.br/bitstream/handle ... sAllowed=y

Hint: if you want to save an entire webpage as a pdf for later use,
I'm using a firefox extension by the name of "Save as PDF" by pdfcrowd.com.
The layout is not always prestine, but for my archive it beats anything else
I tried.

https://www.classicfm.com/discover-musi ... algorithm/ leads to

http://www.clarallel.com/

https://www.goldennumber.net/music/

https://igm.rit.edu/~jabics/Fibo98/

https://quod.lib.umich.edu/s/spobooks/b ... w=fulltext

https://mastersofmedia.hum.uva.nl/blog/ ... mposition/

https://cmsw.mit.edu/algorithmic-music- ... framtones/

and from there: http://tones.wolfram.com/

https://ccrma.stanford.edu/~blackrse/algorithm.html

https://ece.umd.edu/~blj/algorithmic_co ... model.html

and from

https://ece.umd.edu/~blj/papers/
https://ece.umd.edu/~blj/papers/icmc95.pdf
https://ece.umd.edu/~blj/papers/OrganizedSound.pdf

Citing Spogg: "Cheers" to all of you.

Regards
Phil

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