CD duplication master errors

For most CD duplication orders we are able to use the direct master supplied by the customer. As long as the customer has prepared the master correctly our CD duplication machines will accept the master and make identical copies of the master provided.

However we often receive CD masters that are not suitable for CD duplication.

Common CD duplication master errors include:

• Master has been burnt in .wav or .mp3 format and not as an audio master
• Master has been burnt onto cheap unbranded CD media
• Master has been burnt to a re-writable CDRW
• Underside of master CD is scuffed and scratched
• Master has been provided on a DVD-R or DVD-RW
• Master has been burnt at too high of a speed
• Master has been burnt as multisession
• Session has not been closed or CD finalised
• Software has not written to correct Philips “book” specification

We can often detect most errors on a supplied CD master and request a replacement master from the customer. Alternatively we can rip the audio from the master and prepare a new production master to red book specification.

Occasionally a customer can supply a master which they have checked by listening and all sounds fine. Even though a master sounds as if it plays back without audible errors there can still be errors on the master. Most CD players use error correction to correct these small disc errors however these small disc errors can in effect be magnified by the duplication process to a degree where error correction is not effective and audible artefacts are present on the duplicated copies.

In our next article we look at the various types of CD disc errors in more detail and explain how to reduce the risk of these errors.

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