how can I encrypt audio file or signal using xor

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davidop
davidop 2016-4-4
评论： Elyaser Ben Guno 2020-8-9
Processes involves, inputing audio on matlab, converting it to binary form (matrix) then encrypting using XOR (probably an otp)
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davidop
davidop 2016-4-6
编辑：davidop 2016-4-6
I wish to store the audio as both data file and audio file since I would love to listen to the encrypted file and also decrypt it @Roberson
akshatha Sushma
akshatha Sushma 2018-4-5
can u please share the code for xoring the binary form of .wav into cipher text?

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Walter Roberson
Walter Roberson 2016-4-6
Use the 'uint8' option of getaudiodata(): you can xor against that.
repmat() your key as many times as you need to be exactly as long as your binary signal, and then you can xor on that.
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Walter Roberson
Walter Roberson 2020-8-9
Audio files do not require double / floating point to be played.
You read (most) audio files as integer instead of double by adding the option 'native' top audioreader()
You can pass uint8 data to audiowriter() and it will write them to the file.
You can play uint8 data with audioplayer()

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