Eventide BD600+ handleiding
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Appendix B BD600E+ Extended Remote Control
BD600+ Profanity Delay Appendix B Extended Remote Control Page 39
Document Version 2.3
Control Signal Delay
If a parallel output is configured to DLIN, it will output the corresponding input delayed by the current
audio delay, whether Broadcast Delay or MPD. This is useful for synchronization of control signals
with the delayed audio.
In this case, the corresponding input will normally be set to OFF to prevent it also controlling a
BD600+ function.
Insert Operations
The BD600E+ supports an Insert feature, allowing a variable length announcement, commercial or sta-
tion break info to be inserted into a delayed program which can then be automatically time-compressed
to make room for it. This operation is similar to the Station Break Insert described on page 35, with the
difference that the length of the insert is determined by an external input. During the Insert operation
playback of delayed audio ceases and the output of the BD600+ is muted while input audio continues
to be fed into the delay. Typically, one of the remote outputs is used to operate a relay to externally
mix the inserted audio - alternately this operation may be performed manually. Once the insert is com-
plete, the BD600+ reverts to normal broadcast mode and continues the playback of the delayed audio.
The following applies to both Insert and Station Break operations.
Dump or sneeze operations may be performed while Insert or Station Break operations are active if the
BD600+ input is being monitored.
An Insert or Station Break (SBR) operation is real time by nature, so that inserted audio is heard imme-
diately, while the input to the BD600+ will be delayed according to the current delay value, which will
be increased by the length of the insert. During Insert and SBR operations the current delay is allowed
to exceed the configured Maximum Delay DLAY if this is less than the maximum allowable amount (80
seconds). At the end of a SBR or Insert operation, if the current delay is greater than DLAY, the unit will
go into a Ramp To Zero mode until the DLAY value is reached.
As an example, suppose that DLAY is set to 20 seconds, and that the current delay is 10 seconds. A 30
second SBR or Insert is performed. During this operation the live input audio will be stored in the unit
and the delay value will increase at real time until the end of the operation when it will read 40 seconds
(10 + 30). The unit will then start to ramp the delay downwards until 20 seconds (DLAY ) is reached
when the delay value will become static. The result is that the input audio is time-compressed to make
room for the SBR or Insert. Once the unit has ramped down to 20 seconds it is back in normal Broad-
cast Delay mode. If one of OUT1-16 is configured to >MAX, this will be active while the delay value is
above the configured DLAY value.
IMPORTANT – if an Insert or Station Break operation causes the current delay value to reach the
maximum value of 80 seconds, all new input audio will be lost until the delay value is reduced – when
the delay is full there is nowhere to save the input audio. For this reason it is recommended that the
sum of the configured DLAY value and the longest possible Insert or SBR not exceed 80 seconds. If one
of OUT1-16 is configured to TOP, this will give a warning that input audio is being lost, but this event
should be strenuously avoided.
Insert or SBR operations should be considered live performances and testing and rehearsal are highly
recommended before on air use.
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Productinformatie
| Merk | Eventide |
| Model | BD600+ |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 3523 MB |