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Alphabetic Transcription

Tool to convert text composed of symbols into letters of the alphabet (Transcription usually for the purpose of alphabetical substitutions).

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Alphabetic Transcription -

Tag(s) : Substitution Cipher

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# Alphabetic Transcription

## Symbols to Letter Conversion

 Spaces andLine return are Removed Kept as is Treated as character to substitute
 Substitution alphabet Classic (ABCDEF…) Match ngrams with English Frequencies Random

### What is alphabetical transcription? (Definition)

Alphabetical transcription is the process of converting text composed of symbols into letters of the alphabet.

### How to transcribe a message into letters?

To transcribe a message into letters, the user must associate each symbol in the message with a letter of the alphabet using a correspondence table.

To create a correspondence table, the user can draw up a list of symbols to be transcribed and assign them a letter of the alphabet in front of each symbol.

To go faster, identify the distinct characters (or ngrams) in the text, and associate to each one, a letter of the alphabet from A to Z taking care not to associate the same letter several times with a symbol and not to associate several symbols with the same letter.

Example: &%##& will be transcribed into ABCCA

If there are more than 26 distinct characters (or ngrams), possibly use the 10 digits to obtain up to 36 characters, and if there are more than 36 characters, it is still possible to go up to 62 by distinguishing between upper and lower case.

### Why transcribe a message in letters?

The transcription of the messages in letters of the Latin alphabet makes it possible to preserve the properties of the frequencies of the characters of the message in order to use more easily the tools of cryptanalysis (on dCode among others) as the mono-alphabetical substitution.

It is possible that the original message is a homophonic substitution (uses several symbols for a single letter), even in this case transcription can help. This was the case for the deciphering of famous messages like that of the zodiac killer.

## Source code

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Cite as source (bibliography):
Alphabetic Transcription on dCode.fr [online website], retrieved on 2024-09-14, https://www.dcode.fr/alphabetic-transcription

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