What is Audio Encryption?

Is there any difference between audio and data encryption?

  • I am working on a DSP machine and the two algorithms for data encryption: TEA and Serpent are not working as desired for the sound read from codecs. They do however work perfectly on any data file I tried. Is there any special case I am overlooking in case of the sound?

  • Answer:

    No, TEA and Serpent (and AES) should work just fine on audio streams. There used to be special ciphers for audio because of its real-time requirements, but today people just use regular modes.  However, you should be aware that in addition to real-time requirements, many audio systems are designed to occasionally lose data (instead of retransmitting it after the real-time deadline), so you might need per-packet encryption instead of per-stream encryption.

Michael Hamburg at Quora Visit the source

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