Hi All -

We've been doing live streams to Facebook and vMix has worked like a charm. I'm at home in a studio with a vMix setup, and my co-host is at her home and we're using vMix Call to bring her audio & video into the show. Other than a bit of latency, no issues so far.

We're expanding the show to introduce a call-in segment - had considered doing this with an additional vMix Call setup, but no good way to screen it, plus it introduces the issue of audio and video for each caller, too much uncertainty for a live webcast.

We're using a very interesting service called Call-In Studio (www.callinstudio.com) which has worked perfectlly - the audio routing issues were a bit interesting, however using my main mixer and a secondary mixer I was able to create a mix-minus (not including the caller) to send to Skype, and then Skype makes an outgoing call to link to the Call In Studio system. The Return (output) from CIS routes back through Skype and includes the caller only, so I have immediate control on the main mixer while we're streaminig to deal with any volume issues (or mute!).

The last hurdle I need to overcome here is to get some sort of a delay going on the streaming - OBS has this, vMix does not (yet!). While we're screening calls with CIS, I still need to have a way to dump or mute the audio if something comes through that is inappropriate. I thought of somehow linking our main vMix computer with a second vMix computer on the same network and somehow configuring things to introduce the delay in that way, but still need a way to gracefully mute the audio before the delay buffer actually heads out to the stream. I don't care what happens to the video, but it's the audio I'm concerned about. I've looked at the Time Slip function in vMix and don't see how it would be helpful.

Thanks for any suggestions!

Mark N.

Thanks very much doggy! Will look for that on the forum - in order to "dump" any offending audio, can you advise best way to do that, I assume on the 2nd vMix machine? Really appreciate your help.

I think I just about have it set, but having one issue. Sent main output to NDI, then created a new NDI type Input and chose the main output - so far, so good. I'm running at 25FPS, so I chose 250 frames for the delay (to provide a 10 second delay). Video looks fine, and shows 10 seconds delayed. Audio is the issue - the only way I could find to delay the audio was to go into audio settings on the new input (ie, the return from NDI) and set it to 10,000 milliseconds (10 seconds). I also turned down the headphone volume level for that input since I don't want to hear the delayed audio.

The problem is that the audio seems to be "repeating" a 10 second loop - I'm guessing it's some sort of a routing problem with the audio, as the phantom repeats of the audio are also showing up on the main output meter (the ones between the preview and output windows). I only intend to stream with this setup - ie, the 10-sec delayed input is what I will stream out to Facebook. Any thoughts? I'm fairly new to the various routing possibilities with Vmix - I've watched some videos to try and figure this out but still don't have it worked out - thanks!