Marantz SA8004 SA8004 User Manual - English - Page 26

ENGLISH Explanation of terms B Bit rate This expresses the read amount per 1 second of video/audio data recorded in a disc. M MP3 (MPEG AudioPlayer 3) This is an internationally standardized audio data compression scheme, using the "MPEG-1" video compression standard. It compresses the data volume to about one eleventh its original size while maintaining sound quality equivalent to a music CD. S Sampling frequency Sampling involves taking a reading of a sound wave (analog signal) at regular intervals and expressing the height of the wave at each reading in digitized format (producing a digital signal). The number of readings taken in one second is called the "sampling frequency". The larger the value, the closer the reproduced sound is to the original. W WMA (Windows Media Audio) This is audio compression technology developed by Microsoft Corporation. WMA data can be encoded using Windows Media® Player Ver.7, 7.1, Windows Media® Player for Windows® XP and Windows Media® Player 9 Series. To encode WMA files, only use applications authorized by Microsoft Corporation. If you use an unauthorized application, the file may not work properly. Super audio CD There are three types of Super Audio CDs: q Single layer discs Single layer Super Audio CD with just an HD layer. w Dual layer discs Super Audio CD with a double HD layer, offering extended playing time and high sound quality. e Hybrid discs Two-layer Super Audio CD with an HD layer and a CD layer. The signals on the CD layer can be played on a regular CD player. Types of Super Audio CDs Single layer disc Dual layer disc Hybrid disc HD layer HD layer CD layer HD layer • What is the HD layer? The HD layer is a layer of high density signals for Super Audio CDs. • What is the CD layer? The CD layer is the layer of signals that can be read on a regular CD player. 23