DSEE
DSEE (Digital Sound Enhancement Engine) is a sound quality improvement technology for lossy compressed music files developed by Sony. Variants DSEE Introduced in 2006, DSEE is included in Sony's digital Walkman products and freeware SonicStage CP (version 4.2 or higher), x-app, and Music Center for PC. In operation, it analyzes irreversibly compressed music files such as MP3, ATRAC3, Advanced Audio Coding, AAC, and Windows Media Audio, WMA, and performs predictive calculations to compensate for high-frequency sounds lost due to compression, thereby improving sound quality. If the playing music on a Walkman has a high sound quality (bit rate), or if the sound quality is too low, the system determines that it cannot be enhanced and DSEE is temporarily disabled to save battery. DSEE HX DSEE HX appears on high-resolution audio compatible devices, such as the Walkman F Series, F880 and Walkman ZX Series, ZX1 series Walkman players, Xperia smartphones, and version 2.x of Music Cente ...
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