DDP:
Disc Description Protocol, also referred to as DDPi (DDP Image) or DDP File Set. An error-protected delivery format designed specifically for reliable optical disc replication. It is growing in popularity and has become the industry standard for both independent and major labels.

Advantages of DDP include:

Artistic integrity
DDP files are not subject to manipulation and end up exactly as the artist intended.

Data security
DDP files can be encrypted for secure transfer to the replicator.

Delivery speed
The ability to transfer your project over the Internet speeds up the production process.

Replicator specifications
Many labels now only accept DDP, as they are faster to work with, and less prone to costly manufacturing errors.
Essentially, DDP is a disc image presented in a manner to ensure accurate replication. Unlike audio CDs, DDP contains error-protected audio data with the addition of embedded 'metadata' (data that refers to the key data within your project so it can be assembled precisely by the system which opens it).

The DDP file set can easily be transferred online and by using standard media without the high risk of errors posed by traditional real-time audio formats such as CDR. When used for replication DDP helps to avoid the pitfalls during the period of creating a replication master and the moment that the 'pressing plant' creates a final replication master. CDRs do not protect your audio from errors as many CD players will execute error-correction on playback and will mask any issues with your disk when played back.

At Blue Pro Studios we encourage the exclusive use of DDP images for CD replication. Please use a recognised replication facility that accepts DDP for your next project!