Summary

An example of 4-bit pulse code modulation (16 different binary-coded possibilities) showing quantization and sampling of a signal (red). Generated by myself using Inkscape to heavily modify gnuplot output.

See: 4-bit-linear-PCM.svg

Details

Generated curve and scale with the following gnuplot script:

 This plot was created with Gnuplot.

Category:Created with Gnuplot code#Pcm.svg

Source code

set terminal svg size 1600 1200 fname "Times New Roman" fsize 48 enhanced
 set output "pcm.svg"
 set samples 1000
 
 set nokey
 set grid ytics lw 4
 set xtics 32
 set mxtics 32
 set ytics 1
 set noxzeroaxis
 set noyzeroaxis
 set noborder
 
 set xrange [0:32]
 set yrange [0:15]
 
 plot 7.5*sin(2*pi*x/32) + 7.5 lw 4

Floor function was then performed by hand in Inkscape, along with various other image quality tweaks.

Other versions

[edit]

.svg:

• 
  Russian .svg
• 
  Chinese (China) .svg
• 
  Chinese (Taiwan) .svg
• 
  int .svg

.png:

• 
  Estonian .png
• 
  English .png

Licensing

I, the copyright holder of this work, hereby publish it under the following licenses:

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue

Category:License migration redundant#Pcm.svgCategory:GFDL#Pcm.svg

	This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
	You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
	This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue

Category:CC-BY-SA-3.0-migrated#Pcm.svg

This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic, 2.0 Generic and 1.0 Generic license.

You are free:

• to share – to copy, distribute and transmit the work
• to remix – to adapt the work

Under the following conditions:

• attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
• share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

https://creativecommons.org/licenses/by-sa/2.5CC BY-SA 2.5 Creative Commons Attribution-Share Alike 2.5 truetrue

Category:CC-BY-SA-2.5,2.0,1.0#Pcm.svg

You may select the license of your choice.

Category:Self-published work