Voltage (volt) to level dBu and dBV conversion and vice versa
http://www.sengpielaudio.com/calculator-db-volt.htm

Voltage to dB & dB to Voltage Converter with gain factor
https://aetechron.com/calculator-Volt2dB.shtml

Index of multiple audio releated calculators
http://www.sengpielaudio.com/Calculations03.htm

CRC-8 CRC-16 CRC-32 MD5 SHA1 SHA256 Calculator
https://crccalc.com/

Parallel Wire Inductance Calculator
https://www.eeweb.com/tools/parallel-wire-inductance/

Musicdsp.org is a collection of algorithms, thoughts and snippets, gathered for the music dsp community.
https://www.musicdsp.org

LM13700 story by Don Sauer - Two CA3080 in a single package.
http://www.idea2ic.com/LM13600/LM13700.html

LM13700 Minimizing Distortion by Open Music Labs.
http://www.openmusiclabs.com/files/otadist.pdf

Mu:zines is a project to scan and re-publish old music production magazines
http://www.muzines.co.uk/mags

Overview of Audio System Grounding & Interfacing by Bill Whitlock
https://centralindianaaes.files.wordpress.com/2012/09/indy-aes-2012-seminar-w-notes-v1-0.pdf

Analog Devices - Analog Filter Wizard
http://www.analog.com/designtools/en/filterwizard/

Filter used in analogue Roland synths
http://www.florian-anwander.de/roland_filters/

Service Manuals & Schematics for vintage electronic musical instruments
http://www.synfo.nl/

Synthesizer E-PROM firmware archive
http://dbwbp.com/index.php/9-misc/37-synth-eprom-dumps

The Pultec EQP-1A Facts & Fiction by Cris Preston, VintageWindings.com
'This paper includes all of the Original EQP-1A filter data'
http://www.vintagewindings.com/tech%20swag/Pultec-Facts-&-Fiction.pdf

Soft Magnetic Materials for Audio Transformers by G.A.V. SOWTER
The term "soft" relates to that class of metals or alloyswhich can be easily magnetized and demagnetized asopposed to "hard" magnetic materials used for permanentmagnets.
https://www.sowter.co.uk/pdf/GAVS.pdf

The Scientist and Engineer's Guide to Digital Signal Processing By Steven W. Smith, Ph.D.
http://www.dspguide.com/

Audio Handbook - SSM Audio Products
http://bitsavers.trailing-edge.com/components/pmi/_dataBooks/1990_PMI_SSM_Audio_Products_Volume_1.pdf

Tandberg manuals at vintageshifi.com
https://www.vintageshifi.com/repertoire-pdf/Tandberg.php

American Radio History - Scans of magazines and books
'Six million pages of AM FM & TV Broadcasting history online'
http://www.americanradiohistory.com

TI Precision Designs: Analog, Active Crossover Circuit for Two-Way Loudspeakers
https://www.ti.com/lit/ug/tidu035/tidu035.pdf

Folkscanomy Electronics: Books on Electronics, Circuits and Processors
https://archive.org/details/folkscanomy_electronics?sort=-downloads

Audacity is a free, easy-to-use, multi-track audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems.
https://sourceforge.net/projects/audacity/

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LMS - Logitech Media Server, link to latest version
http://downloads.slimdevices.com/releases/latest.xml
Change log: http://htmlpreview.github.io/?https://github.com/Logitech/slimserver/blob/public/8.3/Changelog8.html
Souche code: https://github.com/Logitech
Forum: https://forums.slimdevices.com/
Material Skin Manual (great plugin) https://cdn.statically.io/gh/d6jg/material-documentation/master/html/MaterialSettings.html
Community firmware for Touch Change log https://ralph_irving.gitlab.io/lms-community-firmware/changelog.html
Squeezelite - Headless player for the LMS system https://github.com/ralph-irving/squeezelite
Squeezelite compiled files https://sourceforge.net/projects/lmsclients/files/squeezelite/
piCorePlayer - GUI for Squeezelite complete with OS for RPi https://www.picoreplayer.org/index.html
SoX Manual: http://sox.sourceforge.net/sox.pdf
loadgain - ReplayGain loudness normalizer: https://github.com/Moonbase59/loudgain
MusicBrainz Picard music tagger: https://picard.musicbrainz.org/

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