User's Manual
3.1. Automatic Track Synchronization
This section introduces the principles of the automatic synchronization features offered by TRAK-
TOR.
One  of  the  key  features  of  TRAKTOR  is  the  automatic  synchronization  of  tracks.  After  loading
tracks into the Decks, you can synchronize the track tempos with the SYNC function. The tempo of
the synced track then adjusts the tempo of the Tempo Master, for example, the track in the playing
Deck.  For  this  to  work,  TRAKTOR  uses  the  tempo  and  beat  information  from  the  Beatgrids  of
tracks. Samples and time-evolving effects sync to the current Tempo Master automatically.
3.1.1. Beatgrid
TRAKTOR analyzes the tracks by providing reliable  tempo information for syncing. This analysis
determines the tempo (BPM) as well as the position of the beats; the result is the Beatgrid. There
is a specific Beatgrid for each of your tracks.
3.1.2. Tempo Master and Master Clock
The Tempo Master represents the reference tempo to which the Decks synchronize. When ena-
bling the SYNC function on a Deck, TRAKTOR synchronizes the track to the Tempo Master. The
Tempo Master can either be a Deck or TRAKTOR's Master Clock. When the Master Clock is the
Tempo  Master,  it  then  represents  the  global  tempo  reference  to  which  all  Decks  can  sync.  The
Tempo Master does not have to be the same throughout your mix, but there can only be one Tem-
po Master.
3.1.3. Automatic Tempo Master Assignment
TRAKTOR assigns the new Tempo Master automatically using the AUTO mode in the Master Con-
trol panel. When mixing tracks using the SYNC function, the synced Deck automatically becomes
the new Tempo Master, as soon as the track of the current Tempo Master Deck ends or is stopped
manually. This continues as long as there is no other track synced to the Tempo Master. Then the
Master Clock automatically becomes the new Tempo Master as soon the current track stops play-
ing. The MASTER button then lights up in the Master Control panel.
The AUTO mode is activated by default.
3.2. About the Track Collection
The Track Collection represents all the music you use in TRAKTOR. With the Track Collection you
can organize, tag, and prepare your tracks for being played as part of your mix.
A  benefit  of  the  Track  Collection  is  that  reads  the  metadata  of  the  tracks,  like  track  title,  artist
name, tempo, genre, key etc. It also stores TRAKTOR-specific information about your tracks.
Concepts
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