[Ardour-Users] Resampling in Ardour

[John Rigg]

On Sun, Mar 06, 2011 at 02:44:04AM -0500, Zoran Spasojevic wrote:
> On 03/06/2011 07:33 AM, John Rigg wrote:
>> On Sat, Mar 05, 2011 at 05:10:08PM -0500, Zoran Spasojevic wrote:
>>> I started using Ardour on mac and noticed that re-sampling through
>>> export doers not seem to work.
>>> I usually record at 96KHz 0r 192KHz and choose options for re-sampling
>>> in the export window.
>>> While it works fine in linux (I am still using version 2.4), it does not
>>> work on mac
>>> in versions 2.8.10 and 2.8.11. Is this intentional or an error?
>>> If it is intentional, could anyone please suggest how to reduce sampling
>>> rate to 44.1 KHz?
>> If this is the same problem I've had with the last few versions of
>> Ardour2 on Linux, the workaround is to try again until it's exported
>> correctly. If the export window disappears immediately after clicking
>> on Export, it hasn't worked (it writes a truncated file without audio
>> data). Keep trying until you see the progress bar working.
>>
>> On my Linux system this usually takes 2 or 3 attempts, but sometimes
>> more.
>>
> Yes, the export window disappears immediately. The output file is not  
> re-sampled
> but I think it is converted from 24bits to 16bits. It is about half the  
> size of the original one
> and it still has data. I can play it but at the original sample rate.

I wonder if this is caused by the same bug, but the result is different
on Mac. There seems to be something going wrong with SRC during export
on both systems.

BTW, if I export without SRC it happens too quickly to see a progress
bar, but it's always successful.

John