[music-dsp] Recording very long sound files

Andy Farnell padawan12 at obiwannabe.co.uk
Sat Oct 29 01:05:35 EDT 2011

Don't worry Sampo, borrow your neighbors cesium clock.
If you need an atomic clock (GPS gives you geometric time, 
which may be a better reference to "the time" 


but not necesarrily such an accurate clock.) try the NPL/MSF
which you should pick up fine in northern Europe.


On Sat, 29 Oct 2011 07:43:38 +0300 (EEST)
Sampo Syreeni <decoy at iki.fi> wrote:

> On 2011-09-14, Richard Dobson wrote:
> >> Our problem is that the number of samples differs significantly 
> >> between the recordings collected on different days (the largest 
> >> diference is up to 5 minutes!).
> Thus, your clock experiences drift. The cheapest way to get proper clock 
> synch is to buy a GPS receiver add-on to your primary computer, and then 
> put up an NTP daemon which synchs with that. Well-done, that can buy you 
> driftless time in the micro-second range with a modified *nix-kernel, 
> and even under unmodified Windows XP and so on, at the half a 
> millisecond range.
> (Apparently cesium references are classified as particle accelerators, 
> around here. I'm not allowed to possess one, as an individual. ;)
> -- 
> Sampo Syreeni, aka decoy - decoy at iki.fi, http://decoy.iki.fi/front
> +358-50-5756111, 025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2
> --
> dupswapdrop -- the music-dsp mailing list and website:
> subscription info, FAQ, source code archive, list archive, book reviews, dsp links
> http://music.columbia.edu/cmc/music-dsp
> http://music.columbia.edu/mailman/listinfo/music-dsp

Andy Farnell <padawan12 at obiwannabe.co.uk>

More information about the music-dsp mailing list