In multi-channel reproduction of spatial audio with ﬁrst-order Ambisonics the loudspeaker signals are relatively coherent, which produces prominent coloration. The coloration artifacts have been suggested to depend on the acoustics of the listening room. This dependency was researched with subjective listening tests in an anechoic chamber with an octagonal loudspeaker setup. Diﬀerent virtual listening rooms were created by adding diﬀuse reverberation with 0.25 seconds RT60 using a 3D 16-channel loudspeaker setup. In the test, the sub jects compared the audio quality in the virtual rooms. The results suggest that optimal audio quality was obtained when the virtual room eﬀect and the direct sound were on equal level at the listening position.
Click to purchase paper as a non-member or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!
This paper costs $33 for non-members and is free for AES members and E-Library subscribers.