Tascam SX-1 Release Note page 44

Digital production environment version 1.50

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Algorithm — This parameter has two options: auto correlation and envelope matching. The

program material (music) in some ways determines which one should be used. Auto correlation is

well-suited to beat heavy material, where there are a large number of transients present in the

music. Where there is less prominent rhythmic material to work with, envelope matching is a

better choice.

Multi-channel link master — this field allows you to link the operation of the timescale operation

to another one of the HDR tracks. This was added because it is only possible to start an edit

operation from the Waveform tab, where only one audio file at a time can be viewed.

Ripple enable — clicking this button will result in a ripple edit after the processing finishes. This

means that the audio surrounding the edit will move together to fill any gaps left after processing.

For instance, if ripple was enabled in the following example, all of the audio after the 1 bar gap

caused by the processing would move left one bar to cover the hole.

Stereo Link — this parameter acts like stereo link does for the mixing console: the track in the

same coincident pair is chosen and linked to the track selected. This means that track 3 would link

to track 4, while track 8 would link to track 7.

QUICK EXAMPLE:

Make sure that your Grid is on and set to bars and beats (use the whole note value for easy

selection).

Click and drag a selection of two bars, starting at bar 15.

From the Edit Operation menu, select Time Scale.

The Start Time should read 15:01:000, and the Old End Time should read 17:01:000. This

also means that the Old Duration field will read 2:01:000.

In the New Duration field, enter a value of one bar (thus shrinking the present size of the

audio file from two bars to one bar once processing is finished). One bar is written/displayed

as 01:01:000 in bars and beats.

The New End Time should now read bar 16 (represented as 16:01:000).

Press the DONE button, and wait until the progress bar finishes. The new audio event should

be one bar shorter than the original selection — with the beginning still starting on bar 15, but

the ending now shortened to the downbeat of bar 16.

Notice that nothing was removed from the original file to make it fit — an algorithm was

applied to squeeze 2 bars of audio into 1 bar. You will notice that the pitch of the newly

created audio event is higher than the original, were you to push play.

This is a great way to modify loops to new tempos, or take a completed radio spot that is three

seconds too long and make it fit, without removing any of the content or chopping the selection

into strange-sounding bits.

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