For use with MovieSlate’s optional Timecode Sync Plugin.
Sources for the required cables.
We and many MovieSlate users have had very good luck with cables from
Here is a list of cable options:
We don't have access to equipment with BNC connections to test with, however we
believe that a simple BNC-to-RCA adapter will work without problems (provided
you get the signal level right, of course). If you have had success with
these adapters we'd appreciate a quick note letting us know!
If you live in the United Kingdom
Folks in the UK should check with MLEC (UK) Ltd
. They've custom built cables for other MovieSlate users-- including those using Sound Devices recorders.
Sigh. We don’t have any equipment that uses LEMO connections right now so we can’t
guide you to any tested solutions, and we don’t have many leads on LEMO adapters.
Here’s what we’ve dug up so far, depending on your variant of LEMO:
Many MovieSlate users have reported success sending and receiving timecode audio
wirelessly using transmitters and receivers like those from Comtek.
workflow is to cable-connect the LTC output from a sound recorder to a
wireless transmitter. Then cable-connect a wireless receiver to the iOS device(s)
running MovieSlate. Trew Audio
often has good deals on used Comtek gear.
Cables for sending timecode.
When sending timecode from MovieSlate, use a standard, unattenuated cable— which
you can purchase just about anywhere.
Cables for receiving timecode.
When receiving timecode in MovieSlate, use a custom, attenuated cable as
described below. Below are the three variables to take into account for
the receiving cable:
Headphone jack at the iOS end of the cable
On the Apple iOS device end of the cable, this jack must be one with four distinct silver bands (as pictured at right).
Without those four bands, an iPad/iPhone/iPod touch won't be able to accept audio input.
Denecke has also posted a PDF
with the specifications for connecting LTC devices to the iPhone / iPad / iPod Touch.
Jack at other end of the cable
This jack must fit the sound source (such as your TC generator or sound
recorder). Your sound source’s manual is a good place to find the type of
plug required. Failing that, you could Google for that information.
Attenuation is actually a way to decrease
the volume of the audio
that the Apple iOS device receives. Depending upon your sound source, you
may not need any attenuation. However, most pro-level sound equipment
outputs at LINE level (very loud). All Apple iOS devices receive audio at
MIC level (very quiet). If your sound source outputs LINE level audio,
then it will easily overpower the poor Apple iOS device. So the audio
must be attenuated (quieted). Attenuation may require a bit of trial
and error. Not all sound sources (cameras, TC generators, and sound
recorders) output audio at the same volume levels. If your sound
source has an output volume control, then it is easy to test from
MovieSlate’s Settings > Timecode Syncing > Test Headphone Connection.
While viewing MovieSlate’s test screen, simply adjust the soure source’s
volume until the test screen levels are green and timecode appears in the
test screen. Some sound sources don't have a way to control their output
volume. In these cases, if you find that the volume is too high for the
Apple iOS device, then you'll need to also purchase an attenuating cable.