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Digital Mixers
Using the DS2416 'D OUT' with a DAT recorder
The digital output of the DS2416, ''D OUT'', can be connected to the S/PDIF digital input of a DAT recorder, for direct-digital recording. The steps listed below describe how to connect a DAT recorder to the DS2416 for this purpose.
One issue to be aware of is that of ''wordclock'', or ''sample frequency''. All digital systems are required to be synchronized, or locked, to a single ''master clock'' source. In this configuration the DS2416 serves as the wordclock ''master'', and the DAT recorder is the wordclock ''slave''.
DAT recorders typically are restricted to recording at the two industry-standard sampling frequencies: 48KHz, and 44.1KHz, the latter being the frequency used by compact disks. So, the DS2416 must be set to one of these sample frequencies, either using its own internal wordclock sources, or using an external digital signal.
One issue to be aware of is that of ''wordclock'', or ''sample frequency''. All digital systems are required to be synchronized, or locked, to a single ''master clock'' source. In this configuration the DS2416 serves as the wordclock ''master'', and the DAT recorder is the wordclock ''slave''.
DAT recorders typically are restricted to recording at the two industry-standard sampling frequencies: 48KHz, and 44.1KHz, the latter being the frequency used by compact disks. So, the DS2416 must be set to one of these sample frequencies, either using its own internal wordclock sources, or using an external digital signal.
TIP: If the final form of the recording is to be compact disk, use the ''44.1KHz'' sample rate if at all possible. If this is not possible, the recording will have to be ''sample-rate converted'' to the 44.1KHz rate before it is recorded to CD. The DS2416 DOES NOT have this conversion capability.
NOTE: Before beginning this procedure, make sure that both the DAT recorder and the computer with the DS2416 are turned OFF.
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Connect the DS2416 'D OUT' to the S/PDIF digital input of a DAT recorder using a good-quality 75-ohm coaxial cable, with an RCA-type pin plug on each end.
NOTE 1: A good-quality ''stereo'' cable may be used, but this is less desirable. The DAT recorder may not recognize the incoming audio signal. This effect becomes more pronounced when long cables are used.
NOTE 2: The DS2416 'D OUT' may also be connected to an ''AES-EBU'' digital input that typically uses a 3-pin ''XLR'' connector at the input. A 'digital-grade' balanced/unbalanced in-line transformer (75-ohm to 110-ohm) will be required for this connection. However, some DAT recorders still may not recognize the signal from the DS2416, since the code in an S/PDIF signal differs slightly from the AES-EBU code.
Turn the computer ON, then turn the DAT recorder ON.
Confirm that the DS2416 is operating at either 44.1KHz or 48KHz.
With a tape in the DAT recorder, place the recorder in ''record-pause''.NOTE 2: The DS2416 'D OUT' may also be connected to an ''AES-EBU'' digital input that typically uses a 3-pin ''XLR'' connector at the input. A 'digital-grade' balanced/unbalanced in-line transformer (75-ohm to 110-ohm) will be required for this connection. However, some DAT recorders still may not recognize the signal from the DS2416, since the code in an S/PDIF signal differs slightly from the AES-EBU code.
At this point the DAT recorder will indicate that it is recognizing the digital signal from the DS2416. This is usually indicated with a ''44.1KHz'' or ''48KHz'' display on the front panel of the DAT.
Reference: DS2416 Owner's Manual, p. 10-11
