Correction to: 'Effects on Down-Mix Algorithms on Quality of Surround Sound'

CORRECTION TO 'EFFECTS ON DOWN-MIX ALGORITHMS ON QUALITY OF SURROUND SOUND' In the above paper,1 three errors occurred in the Appendix (p. 796). They include the term rms power, the values given in decibels, and the term output power 400 W (8 ohm). In Section A.1 the text should have read as follows. The values presented in Table 7 are digital signal levels in decibels referred to digital full scale. In other words, Ld 20 log(as /afs) where Ld is the signal level in decibels, as is the digital signal amplitude, and afs is the digital signal full-scale amplitude. In Section A.2 the term output power 400 W (8 ohm) should not be interpreted as the acoustical power produced by the subwoofer but as the electrical output power of the subwoofer's amplifier delivered to the drive unit. 1S. K. Zielinski, F. Rumsey, and S. Bech, J. Audio Eng. Soc., vol. 51, pp. 780-798 (2003 Sept.).