X4

Special functions and wizards 281
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Tempo adjustment
Setting the object tempo to the arrangement tempo
This fits the object length to the existing arrangement. Three different
procedures are possible: timestretching, resampling, or audio quantization.
 Timestretching keeps the pitch of the song constant, but sometimes the
sound quality can suffer.
 Resampling changes the pitch (similar to changing the speed of a record
player), and retains the sound quality of the song as much as is possible.
 During audio quantization, the audio file takes the tempo adjustments into
consideration as if the first remix object (see below) were created and
combined immediately into a new audio file. If the recognition is uncertain,
extreme tempo fluctuation may result. It is particularly important to set the
starting marker so that the tempo is recognized definitely. The advantage of
audio quantization is that small tempo fluctuations in the music balance out.
The start of the measure always agrees with the start of the arrangement
measure and never plays out of time.
Setting the arrangement tempo to the object tempo
The arrangement adopts the detected BPM value. If you would like to use the
cut-up song as the basis for a new composition (e.g. for remixes), then this
option should be active.
Creating remix objects
The song is cut by beat into individual objects. Some applications may include:
 To produce loops from complete songs which can then be used with other
material. Most importantly, not all remix objects are suitable as loops. Ideally,
less complex material should be used, e.g. drums from an intro.
 To remix songs, thus changing the sequence of the objects, cutting or
doubling beats or to enrich the song with other loops or synth objects.
 To mix two songs: If percussion and tempo fit perfectly, can you blend the
songs without "side effects"?
This option can be activated later from the "Object" menu, provided that the
tempo data is stored.
The "Audio quantization" option: Audio quantization fits new objects exactly in
time with the arrangement.
With homemade music, tempo fluctuations are common, and therefore
different measure lengths may result. Nevertheless, so that the objects fit into
the rigid timing pattern of the VIPs, the time processor is activated
automatically and object timestretching is used to correct the different lengths.