I've no idea what this means and I don't know what Aspen is.
#Ddp audio master software#
I'm supplying a DDP made by Gear Mastering Software to a major label and they have written back saying I need to supply new ones as they get an error messgage saying: "ASPEN does not support DDP's with more than one: Track01.DAT Track 02.Dat" etc. If you’re choosing to distribute your music online-only, none of this will apply to you.Alan Wilson, post: 426861, member: 48981 wrote: Hi I have a question about DDP. You’ll want to avoid this.Īll of the above is only relevant for making CDs. Some less experienced (or maybe less literate) CD duplicators have been known to take a CD-ROM and haphazardly produce a large run of discs containing the DDP image itself, as opposed to the disc it describes. When that’s not possible, you should ask your mastering facility to provide the DDP file set on a well-labeled DVD-ROM or USB flash drive. If you’re using DDP to deliver your master to replication or duplication, upload is the best delivery method. Incidentally, ‘DDP-friendly’ should not involve any additional fees for using DDP. You might consider using ‘DDP-friendly’ as a pass/fail test of whether a CD replicator is reputable or up-to-date. Assuming that DDP file sets are accompanied by checksum information, there is no technical or cost-based justification for this policy. Not every CD replication facility is willing or able to accept DDP from their clients.
Since DDP is a licensed standard, it doesn’t matter which applications you and your mastering engineer use, or whether they’re the same. Many mastering facilities will provide complimentary DDP player applications for clients. Some, like Audiofile Engineering’s Triumph DDP Mobile, even let you use your iOS device to audition your CD program. There are numerous affordable DDP player applications available that allow you to audition a DDP image and burn Red Book reference CDs. When verified by a recipient, the checksum answer verifies the integrity of the file copy.įor more information on using Apple’s built-in checksum tools, check out this tutorial. When paired with checksum data, DDP upload is a flawless delivery method.Ĭhecksum error detection schemes like MD5 provide a unique answer to an equation embedded in a file. DDP AdvantagesĭDP facilitates direct upload to clients and/or replication facilities, so CD materials costs, shipping time, and the vulnerabilities of optical media are all eliminated. The specific naming conventions of the audio and CD Text files are not defined by the DDP standard, so it will vary based upon the source application. A file that contains the CD Text information for the disc.A file that contains the audio data for the disc.Files labeled DDPID, DDPMS, and DDPPQ (or SUBCODES) all describe and organize the disc.DDP AnatomyĪ DDP 2.0 file set for a Red Book Audio CD will typically contain five components: From this data your master can be replicated without transmission error. In other words, a DDP file set is data that completely describes a CD or DVD. Backgroundĭoug Carson and Associates (DCA, Inc.) developed DDP to provide replication facilities with a “consistent and complete description of the input media” used to manufacture CDs and DVDs. This article will help you understand why, and get you introduced to DDP. The Disc Description Protocol™ (DDP) is a mandatory delivery method for many of the world’s biggest record labels. The only contemporary alternative is one of the least known, most under-utilized tools in the independent music production world. In addition, the time and expense of shipping CD reference discs disconnects the otherwise limitless convenience of producing music across global boundaries using the Internet. These reasons include the cost and fragility of the materials, and the debatably relevant, but indisputably real, margin of error that optical media introduce. Nonetheless, there are a number of reasons to think twice about burning a CD-ROM and mailing it to your replicator. An Introduction to Disc Description Protocol (DDP)īy the time a recording project is written, produced, and mixed, nobody really wants to consider a detail as deceptively small as how you will convey your CD master from mastering to replication.
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