Making it easier to understand data sound codec.

diff --git a/Networking/Digital data over analog audio channel/INPUT.TXT b/Networking/Digital data over analog audio channel/INPUT.TXT
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+This is sample encoded message!\r

diff --git a/Networking/Digital data over analog audio channel/OUTPUT.TXT b/Networking/Digital data over analog audio channel/OUTPUT.TXT
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+This is sample encoded message!\r

diff --git a/Networking/Digital data over analog audio channel/SOUND.XI b/Networking/Digital data over analog audio channel/SOUND.XI
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+* data in sound\r
+\r
+Utility to encode/decode digital information into wave sound file.\r
+You can later record it on the tape or send it acustically or\r
+for example over telephone line. Decoding utility\r
+is petty noise tolerant.\r
+\r
+\r
+[[file:screenshot.png]]\r

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