11.5

Table Of Contents
240 Synchronization
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In this case you should use a virtual MIDI router for internally linking the
programs like "Hubis MIDI Loopback" from the Samplitude 11.5 Producer
studio CD-ROM.
Wherever possible, please use MTC -25 frames/sec., since unlike the MIDI
clock, no tempo changes have to be taken into account.
If Samplitude 11.5 Producer is running as master, please set the FX factor to
1.0.
Slave synchronization with real "chase lock": Samplitude 11.5 Producer
supports real "chase lock" synchronization, i.e. audio playback can be
controlled precisely by a received time code signal (MC or MTC). In this case
not only the starting point of audio playback is controlled externally, but sync
also controls playback speed if "chase lock" is activated. This way Samplitude
11.5 Producer can follow the sync of analog tape machines or VCRs for quite
some time, which always have a certain slip, without delay.
This is a very powerful feature which many "professional" systems only offer at
a high price!
By entering the "sync velocity", you can influence the speed of the tempo
adjustment. The greater the sync velocity, the faster Samplitude 11.5 Producer
will follow a tempo change of the sync master; however, this also means that
the pitch fluctuation in the audio material is greater.
Only use values greater than 100 if Samplitude 11.5 Producer does not
synchronize precisely in standard cases.
The "chase lock" synchronization uses a real-time resampling routine requiring
a certain CPU power. Anything as fast as a Pentium 90 processor should
suffice.
When using the hardware pitching feature, the chase lock synchronization uses
direct access to the sample rate of the sound card in 1 Hz steps. This achieves
particularly precise synchronization without additional CPU load. However, the
sound card has to support this feature, as is currently the case with the ARC44
and ARC88 4 or 8 channel.
MIDI clock input device: Here the driver must be selected from which
Samplitude 11.5 Producer will receive MIDI clocks for the synchronization.
BPM: Here you have to enter the tempo at which you want to receive MIDI
clocks.