CD - Read Difficulty
If a player on your MIXDECK is not reading any CD at all, including store-bought disks, contact our support team for
assistance.
If the difficulty occurs only with burned disks, or only with some burned disks, this generally indicates that the disks
themselves are the most significant factor.
The suggestions included below might be helpful in this case:
The importance of using high quality media and slow burn speeds
Your clients depend on you, you depend on your gear, your gear depends on the media you feed it. We
recommend that DJ’s be as picky as possible when choosing the brand of CD-R, and the burning speed they
use. If store-bought disks are playing fine, but burned disks are not, then it means there are significant enough
errors on the burned disks that the CD is in danger of not being fully playable in all machines. If one player (that
plays store-bought disks fine) has difficulty even one time, this means that the disk has significant errors on it.
Consider re-burning it on higher quality media with a slower burn speed.
By using high quality media, and slow (i.e. not 52x) burn speeds, you can create disks with low errors. The
slower the burn speed, the fewer the errors. This way, the buffer in the CD player can be used to ensure that
when your disks get beat up down the line, they can still play. If the buffer is used up dealing with the errors
induced by poor media or fast burn speeds, then the lifespan of that disk will be extremely short (regardless of the
player you use).
We often use a car tire analogy: Treads on new tires aren’t as thick as they are because tires require that
thickness to be safe. The treads on new tires are thick because we know the tire will wear over time, and we
want them to last as long as possible. Using poor media or fast burn speeds is like choosing to drive on bald
tires. You can do it (my dad sure did), and you may find people who will say they’ve driven thousands of miles on
these tires with no problem. While you may be fine for a while, and could make a habit or a career out of it, the
danger is always there. When people are depending on you, you want as much buffer between you and disaster
as possible.
CD-RW
CD-RW disks are not supported. When burning your own music, purchase disks that are labeled CD-R only.
Enhanced CD (also known as CD Extra or CD Plus)
Enhanced CD is a format that included extra contact such as videos, photos, computer applications etc. This
format is not supported by Numark CD players.
Variable bitrate (VBR) MP3 files
Many Numark CD players (including the MIXDECK) support MP3 CD-R disks. For the best playability and fastest
read times, we recommend using constant bitrate MP3 files. variable bitrate files are more difficult to read and
are not recommended. Make sure your MP3 encoding software is not set to use Variable bitrate (VBR).
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