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Is it possible to encrypt an audio wave? NFL Example

Is it possible to encrypt an audio wave? NFL Example
  1. How to encrypt a voice recording?
  2. How do I play an encrypted MP3 file?

How to encrypt a voice recording?

Encrypting Files on Windows

First off, locate your required audio file within your computer system. Right-click on this, or press and hold, and select 'properties' from the options which appear. Then, select the 'advanced' tab and tick the 'encrypt contents to secure data' box.

How do I play an encrypted MP3 file?

To play encrypted files, you need an MP3 player that has the correct device key. If you set a password at the encryption phase, you must also set that password in the MP3 player, See the function mp3password() for details. Once the password is set, you can just play the files using the play() function.

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