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  • Integrating different audio sources

    Posted by Paul Stroud on August 16, 2010 at 4:19 pm

    Hi guys – 1st post here

    I’m dealing with Audio from different sources – namely stuff created in Logic Studio and stuff recorded through the cam mic.

    What i’m trying to achieve is something like this – a youtube vid of this guy playing an instrument (14secs in). The soundtrack has been made entirely from this one instrument using multitrack recording.

    I can’t get my head around syncing/correlating the audio and video together. The problem is the volume of footage, both audio and visual, and then matchin the correct visual bit with the correct audio audio. If it was a single track, made of just one take… easy. But I could record hours of footage but only use a small portion – the portion that made it into the music. So…how do correlate the bit of video with the bit of audio recorded in logic.

    Bear in mind that logging as I go is out of the question because I’m videoing a creative process – I don’t want to stop a moment of inspiration to write down details. So clapper board is probably out too

    I’m thinking that I could match footage of both audio and video by matching the creation date of the audio recorded directly into the computer with the timecode/date created info generated from the camcorder.

    Is there a better solution?
    Is there room for refining?
    Have I lost the plot?

    Please, I’d love to hear peoples thoughts on this process

    Thanks

    Paul

    http://www.paulstroudmusic.co.uk
    http://www.stroudandcroft.co.uk
    myspace/paulstroudmusic

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    Paul Stroud replied 16 years ago 3 Members · 6 Replies
  • 6 Replies
  • Paul Stroud

    August 16, 2010 at 4:34 pm

    I guess this is not necessarily a FC only issue, but I couldn’t see where else it would be appropriate.

    Is there’s a better place for it, please let me know

    Thanks

    http://www.paulstroudmusic.co.uk
    http://www.stroudandcroft.co.uk
    myspace/paulstroudmusic

  • John Fishback

    August 16, 2010 at 5:28 pm

    If the video has been edited, and you want to sync recorded music to it, export the video edit from FCP and import it to Logic. Then, as you playback the video, record music to it. This is not easy. Easier if you sync with Midi. Maybe you can add a click track in Logic to guide you along. But, if you have already recorded the music to be synced, then you have to cut up those tracks into bits and manually position them to match the video. This can be tedious as + or – 1 frame can make a difference. I’m not completely clear about what you want to do, but in the future it might make sense to have a click track played during the video shoot so whatever actions you take are “in time.”

    John

    MacPro 8-core 2.8GHz 8 GB RAM OS 10.5.8 QT7.6.4 Kona 3 Dual Cinema 23 ATI Radeon HD 3870, 24″ TV-Logic Monitor, ATTO ExpressSAS R380 RAID Adapter, PDE enclosure with 8-drive 6TB RAID 5
    FCS 3 (FCP 7.0.2, Motion 4.0.2, Comp 3.5.2, DVDSP 4.2.2, Color 1.5.2)

    Pro Tools HD w SYNC IO & 192 Digital I/O, Yamaha DM1000, Millennia Media HV-3C, Neumann U87, Schoeps Mk41 mics, Genelec Monitors, PrimaLT ISDN

  • Paul Stroud

    August 16, 2010 at 5:51 pm

    Damn, sorry – I obviously didn’t make myself clear

    Like the video I linked to, I’m filming a ‘making of’ type thing. Clearly, the audio heard in the first part of the video is taken from the cam mic, but from 14secs the audio is from the music. He’s not miming, nor was the music created after the fact.

    Like Stocco from the youtube clip, I’m filming the music making process.

    Crucially, I need to locate the bit of Video footage that correlates to the audio that made it into the finished piece of music.

    http://www.paulstroudmusic.co.uk
    http://www.stroudandcroft.co.uk
    myspace/paulstroudmusic

  • Jean-christophe Boulay

    August 16, 2010 at 8:27 pm

    If the video and audio were recorded with a common timecode source referencing them, it’s as easy as looking at the timestamp on the audio in the Logic session and digging the corresponding clip up in your video bin. Even better, export and EDL from the DAW and refer to that.

    Without timecode, you’re pretty much blind unless the video also comes with camera audio in which case you just have to listen to lots and lots of clips to find the action that made the sound you want. If you didn’t film with timecode, the long blind search you’re getting into will probably ensure you do next time.

    IHTH

    JC Boulay
    Technical Director
    Audio Z
    Montreal, Canada
    http://www.audioz.com

  • Paul Stroud

    August 16, 2010 at 11:45 pm

    I haven’t shot the video yet – but using a common timecode is not available to me given my resources. However, each bit of video I shoot does give me ‘Date Created’ info on the mac

    Also, each bit of AUDIO gives me ‘Date Created’ info too

    So, I think the solution is to use this ‘Date created’ info – it’ll act almost like a timecode. The mac can be set to reveal the ‘date created’ in finder down to the millisecond. May be I can use something like quickeys to extract the ‘Date Created’ info and convert it to a h:m:s:f format.

    Can I paste a clip (audio or video) onto the timeline to a position based on the timecode of the clip?

    Is there an easier way to extrapolate the ‘Date Created’ info into timecode info for a piece of footage?

    Perhaps there’s a smart way to create an EDL based on the audio in Logic and it’s ‘date Created’ info? – Logic has no apparent way to export an EDL and exporting an XML will only bounce all audio as one aif file

    Thanks

    P

    http://www.paulstroudmusic.co.uk
    http://www.stroudandcroft.co.uk
    myspace/paulstroudmusic

  • Paul Stroud

    August 17, 2010 at 11:39 am

    Having said all this, I may well mime! ha ha

    It’s gonna be easier and probably more effective.

    http://www.paulstroudmusic.co.uk
    http://www.stroudandcroft.co.uk
    myspace/paulstroudmusic

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