Euphonic Posted March 4, 2008 Share Posted March 4, 2008 Hey all, I need to make a 2 pop for a project and I've never had to do it before, so I need some guidance. Can someone walk me through a very precise way of making a 2-pop? I've managed to zero in on the EXS24's default sine, but I'm not sure I know how to make it be exactly 1 frame (29.97 fps) in length. I haven't been able to find any info on this in Logic's manual or another advanced Logic manual that I have. Is "2-pop" the correct terminology? I didn't find much on the internet as well and you can imagine what searching "two pop" brings you. "Two pop singers"......"manage two pop email accounts", etc. Is "2-pop" correct? Cheers, Michael Link to comment Share on other sites More sharing options...
dkgross Posted March 4, 2008 Share Posted March 4, 2008 send me an email, and I'll send you one. dave_AT_helldogmusic_DOT_com a two-pop is a 2 frame sine wave, usually at 1khz, at -10 db peak. (sometimes I do them at other frequencies, just to screw around..hahaha) '2 pop' is indeed the correct terminology. Remember the 'old days' then you'd have a countdown with beeps before the film would start? that's where it came from. The last tone would happen at the 2 Second mark to indicated you were two seconds away from the start point. in the video world..the first frame of picture starts at 01:00:00:00 (one hour, zero minutes, zero seconds, zero frames). In your timeline, place your 2-pop, well, two seconds before that 00:59:58:00. This is done so that there is a consistant sync point when handing WAV (or other) audio files back and forth between DAW's and video editing systems (ok..that's really simplfied, but you get the point). and, when doing multiple cues, it also provides a good genereal reference...if, say, you want the music to start at 01:02:36:22, put the two-pop two seconds earlier, and bounce out all your tracks from THAT point. Makes it really easy to line stuff back up in Logic or ProTools or Avid or Final Cut....etc.. Link to comment Share on other sites More sharing options...
Ashermusic Posted March 4, 2008 Share Posted March 4, 2008 1. Open an EXS24 and leave it blank. 2. Create a blank MIDI region and enter an 8th note at C5. 3. Bounce it and you have a respectable 2 Pop. Link to comment Share on other sites More sharing options...
fader8 Posted March 4, 2008 Share Posted March 4, 2008 a two-pop is a 2 frame sine wave, I use the leaders that come on the FCP DVD's. The tone is a single frame in these. Is there an advantage to going two frames Dave? Link to comment Share on other sites More sharing options...
Euphonic Posted March 5, 2008 Author Share Posted March 5, 2008 guys thanks for your help. I managed and mainly it seems like I was sweating the details a little too much, with people on these forums doing 2 pops of several different lengths, etc. Good to know. thanks again. Link to comment Share on other sites More sharing options...
dkgross Posted March 5, 2008 Share Posted March 5, 2008 No advantage that I know of for 2 frames vs 1, Fader. I do it cuz, the engineer that trained me told me to make it 2 frames. Force of habit. Link to comment Share on other sites More sharing options...
pantomimeHorse Posted March 5, 2008 Share Posted March 5, 2008 A single frame of 1kHz tone at 25fps is 40mS. - At 30fps, Stateside, it is 33.3mS. Maybe 33.3mS is below the persistence threshold for actually "hearing" an isolated single sound, and so the US uses two frames to give 66.6mS ? - Just a daft theory. - C Link to comment Share on other sites More sharing options...
dkgross Posted March 5, 2008 Share Posted March 5, 2008 or..if you're over 40, ya need those extra milliseconds.... "did I hear something??" Link to comment Share on other sites More sharing options...
pantomimeHorse Posted March 6, 2008 Share Posted March 6, 2008 I am over 40, Dave. - I need all the milliseconds I can get, man ........... - C Link to comment Share on other sites More sharing options...
ski Posted March 6, 2008 Share Posted March 6, 2008 1 frame? 2 frames? All I know is that it's supposed to be ANNOYINGLY LOUD!!! Yes. It should be the loudest sound against whatever track it's used on. And then one louder than that. (Oh yes, and just 1 lil' frame long. Just the one.) Link to comment Share on other sites More sharing options...
pantomimeHorse Posted March 6, 2008 Share Posted March 6, 2008 1 frame? 2 frames? All I know is that it's supposed to be ANNOYINGLY LOUD!!! Yes. It should be the loudest sound against whatever track it's used on. And then one louder than that. (Oh yes, and just 1 lil' frame long. Just the one.) Jesus, man ! Don't you EVER sleep ? - C Link to comment Share on other sites More sharing options...
fader8 Posted March 6, 2008 Share Posted March 6, 2008 Jesus, man ! Don't you EVER sleep ? Heck, that wasn't even ski's bedtime yet! OTOH, I'm having my morning coffee. We're working in shifts. So let me get this straight. The new "Over 40" smpte 2-pop spec will read: "The reference signal shall be no less than two complete frames in duration. Level shall be calibrated in compliance with AES/EBU 08-1496 "Recommended Practice for Annoyingly Loud Signals". Got it. Link to comment Share on other sites More sharing options...
dkgross Posted March 6, 2008 Share Posted March 6, 2008 ROTFLMAO at all of you. I'm damn near 50. I need all the milliseconds I can get. Link to comment Share on other sites More sharing options...
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