Native Instruments Traktor LE 2
It is compatible with PCs and laptops running the Windows operating system.
It is compatible with Mac OS X devices such as MacBooks and iMacs.
The DJ software is compatible with iTunes library and playlists.
The total number of sound effects available within the DJ software.
Native Instruments Traktor Scratch Pro 2
The DJ software lets you repeat certain effects or parts of a song as much as you want. It started with CDJ players, where there was a “loop in” and “loop out” pair of buttons. You had to time precisely when you hit the buttons to get the perfect loop.
The software features a graph that will illustrate the vibration/wave of the track that is currently playing.
In order to have a smoother transition while mixing, the software can automatically sync the tempo/beat of the two songs.
The total number of DJ decks that can be used in the software (usually the number of decks that a single DJ can control while mixing is 4).
Atomix VirtualDJ Pro Basic
The DJ software supports WAVE (.wav) lossless audio format. These files don’t usually have any room for metadata.
The DJ software supports MP3 audio format. MP3 is the most widespread of the lossy formats. (MP3s at 320kbps are generally accepted as pretty indistinguishable from CD sound quality).
The DJ software supports AIFF audio format (lossless format). Be aware that they’re not as universally playable as WAVE files once you get away from Macs.
The DJ software supports AAC audio format. It is the native lossy format of Apple’s iTunes, iPod, iPad etc. It usually has the file extension m4a.
The DJ software supports FLAC audio format (lossless format). FLAC files are compressed, usually to about half the size of the equivalent WAV.
This feature will find beats in the music so you can assign them to certain sound, effects and songs. Usually a visible grid appears over the track spectrum.
The DJ software is compatible with most external MIDI and HID controllers.
The software automatically save your tracks history (all the tracks played during your set).
The DJ software supports external CD player hardware.
A low pass filter reduces high frequencies and can be used to create a powerful bass - for example in drum and bass music.
A high pass filter reduces bass frequencies. This is common in dance music to create a “dropping the bass” sensation when the bass returns.