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Audio to 4 channel for broadcast
We are producing a show for broadcast. We shot and are editing in DV but will goto digi beta via aja io SDI. Tech specs call for 4 channels of audio. Stereo Mix minus music on 1/2 (vo-sots), stereo music three, fx 4. We had already edited this before bradcast deal,hence there are multiple tracks on 1,2,3,4,5,6, 7, 8 in teh FCP timeline. Can we assign these tracks to teh appropriateoutput channel. Also, would vo go striclty on 1 channel, sots on 2, or do we keep the audio pan to (0) and send both vo & sots to 1 & 2 ?
Any help would be great. Thanks
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8 Replies
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First you need to set up your timeline to output 4 channels. You do this in the Sequence Settings > Audio Output. Set that to 4 channels. Then you can assign any audio track to any audio channel output.
As for what you assign where, that comes from the Network. Food Network for example specifies a Stereo Mix on Channels 1 and 2 then VO / SOT on Channel 3 and Music / SFX on Channel 4. That’s a pretty standard network mix, but you must check with the network for the actual requirement.
Walter Biscardi, Jr.
https://www.biscardicreative.com
HD Editorial & Animation for Broadcast and independent productions.All Things Apple Podcast! https://cowcast.creativecow.net/all_things_apple/index.html
Read my blog! https://blogs.creativecow.net/WalterBiscardi
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The stereo mix is where I am a little confused
Here is whats requested:
* Only true stereo with left channel on 1 and right channel on 2
* Music and effect stereo left and right on channel 3 & 4.So does that mean VO and Sots get split to 1 & 2, or does it mean they get centered (0) on the pan, mixed and go to both channels without music ? Or does music get mixed into 1/2 also, or is it totally seperate ?
Never had to deal with this before (always done audio mix on promos out of house- but this is long form) so we are a little/lot confused.
How then do we assign tracks to output channels after we chaneg our settings ?
thanks
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[dave] “So does that mean VO and Sots get split to 1 & 2, or does it mean they get centered (0) on the pan, mixed and go to both channels without music ? Or does music get mixed into 1/2 also, or is it totally seperate ?”
What you have to do is create two complete mixes.
Channels 1 and 2 are a complete stereo mix. All audio is mixed for broadcast. When your show is aired, this is what the audience at home will hear.
Channels 3 and 4 are Music and Fx only in case the network wants to go back in and replace all the voice over either for another language or to replace the voice talent. So you take your music and FX and replicate it to place those on Channels 3 and 4 in addition to being in the stereo mix.
[dave] “How then do we assign tracks to output channels after we chaneg our settings ?”
You right click on the audio tracks right next to the A1, A2, etc… track selectors on the left side of your timeline. Go into the FCP Help menu and look up Audio Assignment or Audio Output Channel assignment. Should cover it there.
Walter Biscardi, Jr.
https://www.biscardicreative.com
HD Editorial & Animation for Broadcast and independent productions.All Things Apple Podcast! https://cowcast.creativecow.net/all_things_apple/index.html
Read my blog! https://blogs.creativecow.net/WalterBiscardi
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So vo/sots/music/fx all get mixed to 1 & 2. Usually when I do this for 2 channel betas sp, I center my audio pan mixing to 1/2 so each channel gets gets exactly the same mix. Is that right, or do I need to seperate vo to 1 and nats to 2, with music going to 1 & 2. man I am confusing myself further !
Then in addition, I duplicate all my music and FX, put them on on different tracks and assign them to 3 & 4 also, is that correct ?
thanks again
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[Dave] ”
So vo/sots/music/fx all get mixed to 1 & 2. Usually when I do this for 2 channel betas sp, I center my audio pan mixing to 1/2 so each channel gets gets exactly the same mix. Is that right, or do I need to seperate vo to 1 and nats to 2, with music going to 1 & 2. man I am confusing myself further !”You do a full stereo mix to Channels 1 and 2. VO and SOTs to both channels. FX to both channels. Music remains in stereo.
[Dave] “Then in addition, I duplicate all my music and FX, put them on on different tracks and assign them to 3 & 4 also, is that correct ?”
Yes.
Walter Biscardi, Jr.
https://www.biscardicreative.com
HD Editorial & Animation for Broadcast and independent productions.All Things Apple Podcast! https://cowcast.creativecow.net/all_things_apple/index.html
Read my blog! https://blogs.creativecow.net/WalterBiscardi
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Thanks for the help. I now “get” what you are saying, but one more questions technically.
If I have Vo on say a1 and my sot on a2. Do I mix with the channels panned to 0 (centered) and then assign them to output to 1 & 2 on. Or do I mix with a1 panned to -1 (left) and a2 to panned to +1 (righ) and then assign both of them to output to 1 & 2.
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I’m reading this differently. According to your 1st post they distincly request music seperate and not on track 1 or 2.
Reading these specs slowly I get:
[dave] “Stereo Mix minus music on 1/2 (vo-sots),”
Looks like they only want sot and vo on tracks 1+2 and they are stereo mix.
sot is stereo
vo is stereo
so start with these 4 tracks and drop sot levels where vo comes in, when levels are constant, mix down to 2 tracks (tracks 1+2) or if you already have them on a1 and a2 then pan 0.[dave] “stereo music three,”
[dave] “fx4,”
this doesn’t make sense but I just read your second post which makes a lot more sense:
* Only true stereo with left channel on 1 and right channel on 2
* Music and effect stereo left and right on channel 3 & 4.This looks like music and effects can remain stereo but are mixed on
tracks 3+4 the same as vo and sot.Maybe the network mixes down audio on the playback deck -Channels 1+3 and Channels 2+4.
“everything is broken”
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Dave –
Do yourself a favor and call the network. They will have the exact answers to your questions; everyone here is guessing based on the standards of whatever network they’re used to dealing with. Unfortunately each network is slightly different. Your network will have somebody on staff who can answer your questions. They will not punish you for being unfamiliar with their requirements, however they will punish you for deliverables that don’t meet those requirements.
Herb Sevush
Zebra Productions
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