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I am looking for a simple error-correction library in Java.

It needs to be able to correct some errors in variable-length messages. However, the error-correcting codes together with the message must have a fixed-length (for transmission).

Mathematical complexity or time to decode isn't a concern.

Edit: I am transmitting data over sound. The errors that usually occur are single bit-errors but sometimes also larger bursts. Shifting of the entire message and Erasure of bits are not an issue.

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  • What kind of errors? Could you expand on your exact requirements?
    – Alejandro
    Mar 5, 2018 at 10:40
  • Okay, I expanded the question.
    – Darman
    Mar 6, 2018 at 9:22

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This one is excellent. Fast and extremely flexible in that you can use pretty much any combination of data/parity blocks you want.

https://www.backblaze.com/open-source-reed-solomon.html

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