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the formatting process, the sample rate information is written onto the tape.
This information allows the XT20 to know what sample rate the tape was
originally formatted at. When inserting a tape that was formatted at 48 kHz,
the XT20 reads the timecode from tape for a moment and automatically selects
the 48 kHz clock setting. If the clock is then manually changed to 44 .1 kHz, the
44.1K icon will flash, to indicate that you are using 44.1 kHz but it isn't the
original sample rate used when the tape was formatted. The same goes when
you play a tape formatted using 44.1 kHz with the clock set to 48 kHz; the 48K
icon will flash.
If you play back a tape that was formatted on an original ADAT, it will not
have any sample rate information written on it (since this is a new feature not
found on the ADAT). In this case, the XT20 will assume the tape was formatted
at 48 kHz. Therefore, if you had been pitching-down such a tape on an ADAT to
play at 44.1 kHz, you must press the [CLOCK SELECT] button to manually
change the clock to 44.1 kHz.
R
ECORD
Crossfading is the process of fading out the original audio on tape while fading
in the new audio when punching in (or vice-versa when punching out).
Whenever recording begins or ends, the XT20 provides a smooth transition
between the audio on tape and the audio being recorded. This prevents gaps
and/or noises when punching in and out of record.
The Record Crossfade Time setting determines how long it takes for the audio to
completely transition from the previous audio to the current audio when
recording. The default is 11 milliseconds but can be increased to 43 ms. The
faster crossfade time allows you to punch in and out quicker, and is best used
when the audio on tape is similar to the audio you are recording. The longer
crossfade time allows for a smoother transition and is more useful when
punching in new material that is very different from what is already on tape,
or when punching in low-frequency signals. Crossfading always begins at the
punch point and continues for the amount of time you have specified.
To set the Crossfade Time:
button. This will advance Crossfade setting to its next value, in this case it is 21
ms. The TIME counter will briefly read:
will advance the Crossfade setting to the next value. Select either 11 ms, 21 ms,
32 ms and 43 ms. These time values assume a playback rate of 48kHz, and are
therefore not exact if the Pitch amount is changed, or an external clock source is
used. If the Clock is set to 44.1 kHz, the available crossfade times are actually
12 ms, 23 ms, 35 ms and 46 ms (although they will not be labeled this way). To
select the sample rate (48 kHz or 44.1 kHz), see previous section.
D
ISPLAYING
If you are using the XT20 with the BRC, you will notice that the BRC's TIME
display uses the "hours:minutes:seconds:frames" format, while the XT20
ADAT XT20 Reference Manual
C
ROSSFADE
Press and hold the [SET LOCATE] button.
While holding the [SET LOCATE] button, press the [RECORD]
FA
While still holding [SET LOCATE], each time you press [RECORD]
F
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Basic Operations: Chapter 4
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