David Rowe is creating Open Source Digital Voice Software
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Hi, I'm David Rowe.

I'm developing Codec 2, the open source speech codec that is outperforming closed source speech codecs at very low bit rates. I've combined Codec 2 with advanced modems and forward error correction to produce FreeDV - open source software for digital voice over HF radio.  FreeDV already works better than Single Sideband (SSB) over tough HF radio channels (Listen to SSB-FreeDV-SSB example)

You can help me make Codec 2 and FreeDV even better.
Hi, I'm David Rowe.

I'm developing Codec 2, the open source speech codec that is outperforming closed source speech codecs at very low bit rates. I've combined Codec 2 with advanced modems and forward error correction to produce FreeDV - open source software for digital voice over HF radio.  FreeDV already works better than Single Sideband (SSB) over tough HF radio channels (Listen to SSB-FreeDV-SSB example)

You can help me make Codec 2 and FreeDV even better.

Recent posts by David Rowe