3/31/2024 0 Comments Open source ambe codec![]() ![]() I am planning on pushing this and its DMR2P25 compliment to my fork of the MMDVM_CM repo, but after the current pull request for the DMR2YSF/YSF2DMR is all synced up. Because of this, it needs to be run on an ARM platform, which includes of course, the RPi. For DMR it uses encoding functions that I wrote around the MD380 firmware image, based on the md380-emu example from the md380tools github repo. For P25 It uses the open source imbe_vocoder developed by Pavel Yazev and can be found in the op25 repository for GNU Radio, among other places. I wrote a new cross mode utility for the MMDVM_CM tools called P252DMR which does software transcoding between DMR(AMBE+2 2450x1150) and P25 phase 1(IMBE 4400x2800). ![]()
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