[PD] line~ for syncing to video

cyrille henry cyrille.henry at la-kitchen.fr
Wed Nov 12 11:55:53 CET 2008


hello,

you can use frame number as a trigger, that's not incompatible with a sync from audio to video.

see attachement patch.

cyrille


Hans-Christoph Steiner a écrit :
> 
> What I am working on are tools for composing audio to someone else's 
> video.   I've worked on a couple projects like this, I am in the midst 
> of one know.  Basically, think sound design for a movie and things like 
> it.  They generate the movie, and so far, I have found the easiest way 
> to communicate with the people making the video is to use frame numbers.
> 
> Therefore, to compose my sound, I need to frame numbers as a reference. 
>  Therefore, I need to generate line data from video frame numbers, 
> unless someone has a better idea.  If the video guys tell me, "this 
> animation starts on frame 1234 and ends on 1623", then it seems to me 
> that I want to be using frame numbers as my triggers.
> 
> .hc
> 
> On Oct 31, 2008, at 11:08 AM, chris clepper wrote:
> 
>> Cyrille points out the correct method of syncing video to an audio 
>> clock.  All hardware devices and professional software use the audio 
>> to clock the video.
>>
>> On Fri, Oct 31, 2008 at 4:48 AM, cyrille henry 
>> <cyrille.henry at la-kitchen.fr <mailto:cyrille.henry at la-kitchen.fr>> wrote:
>>
>>     hello,
>>
>>     i'm wondering why did you sync audio on video : i think it is
>>     easier to sync the video on the audio.
>>     just make all the line~ as you wish for the audio, then snapshot~
>>     periodically and convert audio position to frame number...
>>
>>     cyrille
>>
>>
>>     Hans-Christoph Steiner a écrit :
>>     > I am trying to make a version of [line~] that gives me a line based
>>     > on the frame numbers I give it.  Basically, I give it a frame
>>     counter
>>     > in the first inlet, then start frame and stop frame as arguments.
>>     > The hard part is that I want it to behave like [line] in that the
>>     > last value stays in effect until something else overrides it.
>>     >
>>     > How do I do that with DSP data?  If I use [switch~], then the
>>     > [outlet~] will just retain its last value.
>>     >
>>     > .hc
>>     >
>>     >
>>     >
>>     ------------------------------------------------------------------------
>>     > ----
>>     >
>>     > 'You people have such restrictive dress for women,' she said,
>>     > hobbling away in three inch heels and panty hose to finish out
>>     > another pink-collar temp pool day.  - "Hijab Scene #2", by Mohja
>>     Kahf
>>     >
>>     >
>>     >
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> 
> 
> 
> ----------------------------------------------------------------------------
> 
> If you are not part of the solution, you are part of the problem.
> 
> 
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