[PD] writesf~ and dropouts
d
dieb13 at klingt.org
Wed Sep 11 12:24:48 CEST 2002
hi orm, hi list!
1)i had the same problem while recording.
i modified guenter's sfwrite and put it into the ext13 dir of the cvs as
sfwrite13~. my version does buffered writes of 8k at once (you can
adjust the buffersize) and i get better - while still not perfect -
results that way.
i still think alsa instead of oss emulation would enhance pd's
performance with hdsp.
2)the sp/dif (optical) inputs of my hdsp work with alsa(ardour) and
oss-emu(pd). they appear at channel 17+18.i did not do anything special
to make it work (my spdif-led on the multiface starts blinking green as
soon as a source is connected)
regards
d13b
> 1. does anybody have any experience with streaming audio input via
> writesf~ to the harddisk?
>
> On my laptop with RME hdsp interface and PCMCIA, audio input works
> very well. But if I start recording with writesf~, after a while I
> get dropouts. No big clicks or reported underruns, but rather
> subtle skips of about 0.2-0.3 seconds in the signal. Increasing the
> blocksize to insane amounts doesn't help the least.
>
> 2. Did anybody succeed to get input via the spdif inputs of the
> Hammerfall? They supposedly are on alsa inputs 17 and 18, but
> nothing gets in. Judging from my setup with my Mac, I somehow have
> to tell the Multiface to take external sync, which lights up the
> spdif lock led. With my linux setup that led isn't lit up which
> might be the reason why I don't hear anything.
>
> --
> Orm
>
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