• Effective immediately we will be deleting, without notice, any negative threads or posts that deal with the use of encryption and streaming of scanner audio.

    We've noticed a huge increase in rants and negative posts that revolve around agencies going to encryption due to the broadcasting of scanner audio on the internet. It's now worn out and continues to be the same recycled rants. These rants hijack the threads and derail the conversation. They no longer have a place anywhere on this forum other than in the designated threads in the Rants forum in the Tavern.

    If you violate these guidelines your post will be deleted without notice and an infraction will be issued. We are not against discussion of this issue. You just need to do it in the right place. For example:
    https://forums.radioreference.com/rants/224104-official-thread-live-audio-feeds-scanners-wait-encryption.html

imbe

  1. H

    Difference between IMBE and APCO-25?

    I have seen different threads talking about IMBE and APCO-25 digital voice formats. What is the difference between the two? Where are they used?
  2. bdk

    Constructing Parity bits for IMBE data?

    Hello, I have a data source sending 88 bit IMBE frames which I want to decode with a DVSI VC55 Decoder board, but the decoder board only supports the 144 bit IMBE frame format with the extra 56 bits of Parity data present. The data I have has apparently already had the FEC applied / stripped...
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