Original file (SVG file, nominally 500 × 375 pixels, file size: 21 KB)
This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
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.
Source code
InfoField
Gnuplot 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:
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Russian .svg
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Chinese (China) .svg
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Chinese (Taiwan) .svg
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int .svg
.png:
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Estonian .png
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English .png
Licensing
I, the copyright holder of this work, hereby publish it under the following licenses:
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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
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
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- 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.
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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
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- 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
You may select the license of your choice.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment |
current | 22:51, 23 March 2014 | | 500 × 375 (21 KB) | wikimediacommons>Aquegg~commonswiki | Use 'lollipop' notation, per Lyons, "Understanding DSP", 2001 |
File usage
The following page uses this file: