This test used MUSHRA test methodology. Test items were coded at various rates, from 256 kb/s for 5.1+2H channel material to 48 kb/s for 2.0 channel material. See Section 2.5 for complete information.
Test 4
This test used MUSHRA test methodology. The test used the 384 kb/s material from Test 2, but used the 3D Audio FD binauralization to virtualize for presentation via headphones.