How to configure Source-Connect Studio/Facility to send timecode via LTC and Pro Tools to send LTC
Important Note on Pro Tools Synchronization:
Pro Tools handles MTC and LTC synchronization differently:
- MTC (MIDI Time Code): Pro Tools does not continuously chase MTC. Instead, it positions itself to the incoming timecode and then runs at its own sample clock rate, assuming it will stay in sync. There is no continuous adjustment to maintain lock.
- LTC with Supported Hardware: When using Pro Tools' LTC-capable hardware interfaces in the appropriate sync mode, Pro Tools will actively adjust its sample clock to continuously chase the incoming LTC signal, maintaining true continuous synchronization.
For applications requiring tight, continuous sync, using Pro Tools with LTC hardware synchronization is recommended over MTC.
Follow the instructions below:
- In Source-Connect, click the “Send” button - it will turn green.
- In “TIME REFERENCE INPUT”, select “LTC” and the name of the device you will be sending the timecode through. In this case, we will be using Source-Nexus A.
- Select the appropriate FPS.
- On Pro Tools, add a mono track.
- Add “Source-Nexus A” as an insert.
- Set your track's I/O as needed.
- Drop the timecode on your track.
- Connect to your connection partner.
- Play the timecode in Pro Tools.
In the example below, Pro Tools is sending timecode via LTC using “Source-Nexus A”, which is visible in the RTS tab of Source-Connect 4. User “Armel” is sending the RTS timecode:
The talent (Amber, who is on Source-Connect Studio) is receiving the timecode:
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