Relevant - Hydrogenaudio listening tests (530 tests) scored Opus higher than HE-AAC https://people.xiph.org/~greg/opus/ha2011/ https://people.xiph.org/~greg/op

Relevant - Hydrogenaudio listening tests (530 tests) scored Opus higher than HE-AAC https://people.xiph.org/~greg/opus/ha2011/ https://people.xiph.org/~greg/opus/ha2011/ http://listening-tests.hydrogenaudio.org/igorc/results.html http://listening-tests.hydrogenaudio.org/igorc/results.html