* the values of each parameters must exclude the following characters ” * / : ? \ | +. * %fileextension%: commonly accepted extension for the file format in lowercase * %camelotkey%: Camelot key in lower case and padded with 0 (if necessary) to produce a 3 character string e.g. * %bpm%: beats per minute rounded to 1 decimal place * %genre%: name of the music genre with first letter of each word capitalized * %artist%: track artist excluding featured artists and remixers with first letter of each word capitalized * %remix%: name of the remix enclosed in parenthesis with first letter of each word capitalized (optional parameter) * %featuredartist%: featured artist with first letter of each word capitalized (optional parameter) * %tracktitle%: full track title with first letter of each word capitalized * text and parameters surrounded by (square brackets) are optional * parameters are surrounded by % (percentage sign) %tracktitle% – %artist% – %genre% – %bpm%bpm – %camelotkey% – %yearofrelease%.%fileextension% This is the long term digital sound file storage format. The archive is to be used by transcoding software to produce a library of digital music files in a given format that will play on the chosen DJ Software and is compatible with the chosen library management software. The meta-data should mirror the filename and vice-versa (with the exception of the DJ software meta-data) such that one could be recoverable from the other if it where corrupted. The album art files will be of a lossy and commonly adopted format. The lossless format must be capable of storing meta-data to include: The music files must be in a lossless and open format so as to give the best chance of being able to convert to another format in years to come. The archive will include music and album art files. To maintain an archive of music and album art files that can be easily converted between formats without loss of quality or meta-data. It will also be possible to transfer digital music files between Mac, Windows and Linux. Planning this in a systematic way means that in 10 years time when Kenwood DJ launches the 2.0GTi decks and mixer that I can almost guarantee I can convert my library to the mp13 file format. So gradually I am replacing my mp3 DJ music library with lossless digital music files. This equipment uses its own music library management software meaning that I can cut loose from iTunes. The new (and shiny) digital media DJ equipment from Pioneer DJ and Denon DJ that can play without a laptop has got me thinking (and wanting). I would like to convert to a lossy file format of my choice but even though Traktor will play the format, iTunes doesn’t support it. I’ve been using Traktor Pro to play mp3 files managed by iTunes for a few years now. Re-encoding mp3 files into higher quality mp3 files or more recent digital formats will degrade the music quality even further. The sound information and quality that was ditched by the mp3 encoding software to reduce the file size can’t be retrieved (it’s a law of physics). As storage (hard disk, sd card etc) has become cheaper and larger I’ve migrated from small, low quality mp3 files (128kbps) in the early days to larger, higher quality mp3 files (320kbps) more recently. I’ve stored my digital music as mp3 files for nearly as long as the format has been around (23 years if you are counting). Therefore digital DJs need a system where they can be sure that their music is portable to the technology of tomorrow. Each format has it’s own advantages and disadvantages.Īs technology advances and computing power increases older digital music formats will become obsolete. There are a number of platforms (Pioneer DJ, Denon DJ, Serato, Traktor etc) with which a Digital DJ can play music and there are a number of digital music formats that are supported. The source of a DJs music can be Analogue (such as vinyl or cassette) or Digital (such as CDs or digital files stored on an electronic device).ĭJ’ing using digital music files played through a variety of devices is now widely accepted and even the defacto method for Digital DJs to play music. Where possible the system uses formats and software that is open source, free (as in beer) and portable between Windows, Mac and Linux. What follows is a specification for a system that allows digital DJs to port their digital music between file formats and computer operating systems without loss of sound quality or meta-data.
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