Akai CD3000XL Operator's Manual download pdf (Page 270)

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Page 264 S3000XL Operator’s Manual

EDITING A TAKE FOR SYNCHRONISED PLAYBACK

When you make a recording that needs to be synchronised to other audio material (such

as sequenced programs, etc.), providing you make the recording referenced to the other

audio, there should be no need to worry about synchronisation and the S3000XL will

follow exactly. There may be instances, however, where some adjustments need to be

made and this can be done in the following ways.

1 If the selection is , you may adjust the DELAY parameter in

millisecond steps to achieve accurate playback start times.

2 If the selection is , you may shift the note or track within your

sequencer.

3 Whatever the selection is, you may use the EDIT page to trim a take for

better playback start synchronisation.

4 If the take ‘wanders’ during playback, this will be because the external reference’s

clock is not stable. For example, if you record a take referenced to an external

sequencer playing programs in the S3000XL but, after recording has been done, the

take wanders out of sync after a few minutes, it is most likely that the sequencers

clock is not entirely accurate and so, eventually, the two will drift apart. In this case,

use the parameter to adjust the takes playback speed by minute

amounts. Unfortunately, there are no guidelines on setting this up. You will have to

make an adjustment, see if it improves - if it does not, you will have to try again with a

new value. All being well, however, this is only likely to occur if you use a different

sequencer to that which was used during the record process.

NOTES ABOUT SYNCHRONISING TO EXTERNAL AUDIO

In most cases, there should be no problems in synchronising takes to external audio

material because the playback response time of the S3000XL is extremely fast and sync

accuracy is in the region of a few milliseconds. Also, the take editing and parameter

adjustments described above should overcome any discrepancies you may encounter.

You will note, however, especially when running takes alongside sequenced material that

if you change the tempo of the sequence, the takes will be completely out of sync, even if

the tempo change is very small. Of course, you can use the VARISPEED control to bring

them back in sync but then, of course, they will be out of tune with each other unless you

transpose or re-tune all the sequenced material. Be sure to only make recordings once

you have finally settled on the tempo of your sequencer.

Similar considerations must be borne in mind when syncing takes to other audio material

such as material off tape. If you use varispeed on the tape machine, you will have to set a

suitable varispeed setting on the S3000XL to accommodate this. Another consideration is

that tape transports are rarely 100% stable so if you are running a sequencer

synchronised to code on tape and also running takes from the S3000XL’s disk, you may

find that takes will wander slightly out of sync, especially if that are long recordings.

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Akai CD3000XL Operator's Manual Page 270