The article failed to mention the original reason why Codec2 is invented. In digital amateur radio communication, currently the most widely-used codec is AMBE.

The article failed to mention the original reason why Codec2 is invented. In digital amateur radio communication, currently the most widely-used codec is AMBE. But AMBE is a proprietary codec, covered by patents, unhackable - the counter-thesis of amateur radio. Codec2 was born to bring freedom to digital amateur radio communication, and technically even better than AMBE.