[time-nuts] Audio recording with time code

Joseph Gray jgray at zianet.com
Fri Dec 11 23:34:52 UTC 2009


What I want to do is record to a PC from off the air and be able to
determine the date/time that a particular transmission happened. I may
be able to do this another way. I'll get back on this.

On Fri, Dec 11, 2009 at 12:32 PM, Charles P. Steinmetz
<charles_steinmetz at lavabit.com> wrote:
>
>> There's also SMPTE LTC (Longitudinal Time Code) which is aimed at the
>> audio/visual production business.
>
> Right.  Most of the studio-oriented pc audio tools I know of that do time
> coding do SMPTE coding.  I use Sony Acid and SoundForge, and they will do
> SMPTE coding.  Note that there are quite a variety of SMPTE flavors
> depending on the intended end use -- 24 frame [per second] movie synch, 25
> frame EBU synch, 29.97 frame drop and non-drop video synch, and 30 frame,
> which is generally used for multitrack audio synchronization.
>
> Joe didn't say whether he needs the time code to be absolute (i.e., GMT,
> CST, etc.) or just track-relative.  SMPTE code is generally track-relative.
>
> I'm not aware that any of the common studio-type applications support
> VOX-operated recording, but then I've never really looked.
>
> Best regards,
>
> Charles
>
>
>
>
>
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