Yamaha D24 Owner's Manual - Page 15
Choosing MO Disks, Tracks Available for Simultaneous Recording, Recording Time
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6 Chapter 1-Welcome to the D24 Choosing MO Disks The D24's internal MO disk drive uses removable 3.5-inch MO (Magneto Optical) disks for recording and playback. Normal or Overwrite-type MO disks in a variety of sizes can be used, but only 640 MB Overwrite-type disks support 8-track simultaneous recording with a 24-bit recording resolution. The number of tracks available for simultaneous recording depends on the type of MO disk used, its capacity, the selected recording resolution, and sampling rate. See the following section for more information. Both normal and Overwrite-type MO disks support 8-track simultaneous playback at sampling rates of 44.1 kHz and 48 kHz, and 4-track simultaneous playback at 88.2 kHz and 96 kHz. Overwrite-type disks feature the Overwrite logo shown here. Tracks Available for Simultaneous Recording The following table lists the number of tracks available for simultaneous recording with a variety of normal and Overwrite-type MO disks at each recording resolution and sampling rate. Disk Type Overwrite Normal 640 MB 230 MB 640 MB 230 MB 44.1, 48 kHz 16-bit 20-bit 24-bit 8 8 8 8 6 6 8 6 6 5 3 2 88.2, 96 kHz 16-bit 20-bit 24-bit 4 4 4 4 3 3 4 3 3 2 1 1 For performance reasons, it's recommended that you do not use 128 MB MO disks. When tracks that have already been recorded are playing back, depending on the number and performance of those tracks (i.e., how heavily they've been edited), the number of tracks available for simultaneous recording is reduced. Use the Optimize function to arrange the recorded sound files for optimum performance. See "Recovering Disk Space" on page 172 for more information. Recording Time The total recording time depends on the disk capacity, recording resolution, and sampling rate. A 640 MB Overwrite-type MO disk, for example, offers a total recording time of 120 track minutes with a 16-bit recording resolution and 44.1 kHz sampling rate. The following table lists the approximate recording times offered by a variety of MO disk capacities, with a 16-bit recording resolution and 44.1 kHz sampling rate. Disk Capacity 640 MB 230 MB Recording Time (16-bit, 44.1 kHz) Track minutes (mono) 2 tracks 4 tracks 120 min 60 min 30 min 43 min 21 min 10 min 8 tracks 15 min 5 min D24-Owner's Manual