Akai MPC Operator's Manual download pdf (Page 183)

Section 8: Syncing to tape and other devices 183

40 milliseconds after 5 minutes. This caused no problem when using

only the MPC60 for all sequenced overdubs to a recording.

However, when using the MPC60 for some overdubs to SMPTE,

and a different SMPTE to MIDI CLOCK converter for other

overdubs to SMPTE on the same recording

in (all at the same

tempo), an inaccuracy would exist between the 2 units, causing them

to gradually slip out of sync.

This inaccuracy problem has been corrected in version 2.0 software.

However, it is necessary to be able to select the older inaccurate

conversion method when working with older recordings in which

an MPC60 running software before version 2.0 was used to record

parts in sync to SMPTE. If not, the new parts will gradually slip out

of sync with the existing parts. For this reason, when adding parts

to a recording in which existing tracks were already recorded by an

MPC60 running software before version 2.0 in sync to SMPTE, set

the "SMPTE accuracy" field to "BEFORE VERS 2.0".

NOTE 1: Some existing devices which convert SMPTE to MIDI CLOCK

signals have internal accuracy problems, including the Roland SBX-80. For

this reason, when adding MPC60 parts in sync to SMPTE to a recording in

which existing tracks were already recorded using a different SMPTE to

MIDI CLOCK converter (all at the same tempo), it is still possible that the

MPC60 parts will gradually slip out of sync with the existing parts, due to

inaccuracy problems in the other converter. For this reason, it is a good rule

to only use one SMPTE to MIDI CLOCK converter for all tracks of a

recording. For example, if the SBX-80 was used on some tracks, use it for

all tracks; if the MPC60 was used for some tracks, use it for all tracks.

NOTE 2: The setting of this field only affects reading SMPTE- it has no

effect on SMPTE generation. Further, the above stated inaccuracy

problem never had any affect on SMPTE generation. Therefore, any

SMPTE code generated by the MPC60 at any time, regardless of software

version, is perfect.

• The MODE field in the SYNC OUTPUT SETTINGS section (appears

in all sync input modes):

This field is used to select which of two types of sync signals will be output

through the SYNC OUT jack while the MPC60 is playing. SMPTE time

code is not output while the MPC60 is playing, but rather only while

stopped - this is explained further under the <GenSMPTE> soft key,

below. There are two options for this field:

1. FSK24:

This is a standard general purpose tape sync code commonly

used in drum machines and sequencers. It

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