On May 13 16:46:50, hans@xxxxxxxx wrote: > On May 13 09:26:10, hans@xxxxxxxx wrote: > > On May 12 22:56:45, D.Cottle@xxxxxxxx wrote: > > > If someone needs files from 1:35 to 3:15 we just give them 1 to 4. > > > They combine them (with no seam at 2pm) [...] We routinely combine files > > > into larger segments and we need them to be seamless. > > > > Ah, right, that's what you mean by "sample perfect". Let's try: > > > > $ sox -n sine.wav synth 10 > > $ sox sine.wav part%n.wav trim 0 5 : newfile : trim 0 5 > > $ soxi sine.wav part*.wav > > > > On my machine, that's 480000 split into 240000 + 240000 exactly > > when I said 5s out of 10s. > > On the contrary, this is not sample perfect: > a line in my crontab, starting a recording of one minute every minute. > > * * * * * /Users/hans/bin/rec -q /tmp/file-`date +\%s`.wav trim 0 00:01:00 > > This does indeed record each minute of audio into > an appropriately named file, but the transition is not seamless > (as verified by playing a song longer than one minute). On the other hand, that's not SoX's fault: it get started when OSX's scheduler starts it; then it records precisely one minute of audio. > But if you change this to record your "predefined blocks" > of a couple of hours, then perhaps overlaping a few samples > will not matter if the seams are at silent times. Much like you do with restarting Logic after 12 hours: restart SoX every 24 hours, spawning a new file. _______________________________________________ Sox-users mailing list Sox-users@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/sox-users
