Today at the ARNSW Home brew group, I presented a talk about FreeDV and codec2. Feeling unqualified to talk about how codec2 works, I wrote to David Rowe - the author of codec2 and last week we met up in Sydney where I interviewed David on video and that conversation is included in my talk.
Codec2 is an exciting new low bit rate voice codec that is open source. It is particularly suitable for digital voice over HF radio.
Thanks to Peter, VK2EMU for asking me to speak, John, VK2ASU for videoing the talk, and of course to David Rowe for taking the time to answer our questions on codec2.
Here's just the interview with David without my prattling on before and after:
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