Original sentence: A small market for SACD has remained, serving the audiophile community.surround sound), and a longer playing time than CD, research published in 2007 found no significant difference in audio quality between SACD and standard CD
Edited sentence: A small market for SACD has remained, serving the audiophile community, especially in Japan where Universal continue to release new titles as of 2014.surround sound), and a longer playing time than CD, research published in 2007 found no quality difference at normal volume levels when the high resolution formats of SACD and DVD-Audio were reduced to the standard 16bit 44.1kHz resolution of Compact Disc; thereby undermining the marketing advantage of the new formats