User:Eastwood: Difference between revisions
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== Data to Audio Cassette == | == Physcial Data == | ||
=== Data to Audio Cassette === | |||
Saving data to Audio cassette. ''Scarcity of resource?'' The basic principle is to convert either binary or Hex into audio signal, and then reverse the operation (simple......). Found a method for HAM Radio signals to transmit images, system is called [http://www.instructables.com/id/Images-On-An-Audio-Cassette/ Slow-Scan Television]. | Saving data to Audio cassette. ''Scarcity of resource?'' The basic principle is to convert either binary or Hex into audio signal, and then reverse the operation (simple......). Found a method for HAM Radio signals to transmit images, system is called [http://www.instructables.com/id/Images-On-An-Audio-Cassette/ Slow-Scan Television]. | ||
==== ctape ==== | |||
=== ctape === | |||
A ruby application for converting and reading plain-text saved onto audio cassette (or analogue audio). Based on [https://en.wikipedia.org/wiki/Commodore_Datasette Commodore Datassette] system. | A ruby application for converting and reading plain-text saved onto audio cassette (or analogue audio). Based on [https://en.wikipedia.org/wiki/Commodore_Datasette Commodore Datassette] system. | ||
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'''TODO :''' Need to learn how this works so that I may be able to modify, improve, or just learn. | '''TODO :''' Need to learn how this works so that I may be able to modify, improve, or just learn. | ||
=== Data to Light === | |||
Fibre. Morse. | |||
=== Data to Image === | |||
Barcodes. Embedded information. | |||
== Encryption == | == Encryption == | ||
http://practicalcryptography.com/ | http://practicalcryptography.com/ | ||
Revision as of 19:39, 18 September 2016
Physcial Data
Data to Audio Cassette
Saving data to Audio cassette. Scarcity of resource? The basic principle is to convert either binary or Hex into audio signal, and then reverse the operation (simple......). Found a method for HAM Radio signals to transmit images, system is called Slow-Scan Television.
ctape
A ruby application for converting and reading plain-text saved onto audio cassette (or analogue audio). Based on Commodore Datassette system.
http://www.windytan.com/2012/08/vintage-bits-on-cassettes.html
Uses a sound software/framework called SOX
TODO : Need to learn how this works so that I may be able to modify, improve, or just learn.
Data to Light
Fibre. Morse.
Data to Image
Barcodes. Embedded information.