Re: [LAU] using jdelay

On Thu, 02 Apr 2009 11:41:45 +0200
Atte André Jensen <atte.jensen@email-addr-hidden> wrote:

> hollunder@email-addr-hidden wrote:
>
> > I made the same mistake at first.
> > Simply don't use a microphone, just a patch cable.
>
> You mean creating a feedback loop on the sound card, by connecting
> it's input to it's output?

Right, just use a cable to connect one output to one input, connect
that input to the input of jdelay, jdelays output to the output with
the cable.
Pieter Palmers advice is also very good. For example my interface
(Edirol UA-25) has a direct monitoring switch, which has to be disabled
for this to work correctly.

> > Latencies are calculated by frames/samplerate, the resulting numbers
> > are milliseconds.
>
> Makes is even worse, I don't consider myself picky, but 37 seconds
> seems like a bit much :-)

This sounds pretty impossible. In my case it was usually the calculated
latency + a few ms. There were cases when it was below the calculated
latency that I can't explain myself (see my thread here on LAU from
about a week ago).

> > What interface are you using? Maybe some comparison would be
> > possible (I have a usb interface).
>
> I have just gotten an edirol fa-66 firewire interface to replace my
> old edirol ua-1a usb interface.
>

I'd be interested in some values from the USB interface for comparison,
interesting settings would be:

64/2
4096/2
512/2
1024/2
512/3
1024/3

the last two are where the oddness happens here.

Best regards,
Philipp
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Received on Thu Apr 2 16:15:02 2009