As there is alot of software that takes the soundcard as default source
for doing digital processing, do you think it would be possible to build a
virtual sound card device driver to be used as sink from gnuradio and as
signal source from one of these softwares?
I mean, a virtual sound card driver
I'm trying to re-sample signals, ranging from 0.5Hz up to about 40Hz,
sampling them at some small
integer multiple of their frequency. Simple decimation isn't getting
close enough, in many circumstances,
leaving a significant phase erorr.
I'm thinking that I can get closer using the rationa
Yes, an example will be very helpful.
Thanks,
Satashu
Eric Blossom wrote:
On Sun, Mar 05, 2006 at 02:21:55AM -0500, Satashu Goel wrote:
I am trying to find some information on how to use the two Tx
daughterboards to transmit independent data streams?
In one of the posts,
http://lists.gnu.o
Eric Blossom wrote:
Bottom line, it hasn't actually been proved that running SCHED_FIFO will
squash the existing latency and continuity problems, so I'm not at all
sure much is missing without that capability.
Frank, is this a statement or a question?
It's a statement. I don't have any rea
On Wed, Mar 08, 2006 at 05:42:56PM +0100, Matteo Campanella wrote:
> I also meant a gnuradio example, eg. some block that does this already or
> almost ;-)
> > On Wed, Mar 08, 2006 at 08:45:04AM +0100, Matteo Campanella wrote:
> >> great... this should mean we should be able to test alot of exampl
On Wed, Mar 08, 2006 at 09:46:54AM -0500, Frank Brickle wrote:
> Eric Blossom wrote:
>
> >>Bottom line, it hasn't actually been proved that running SCHED_FIFO will
> >>squash the existing latency and continuity problems, so I'm not at all
> >>sure much is missing without that capability.
> >
> >
On Wed, Mar 08, 2006 at 09:12:58AM +0100, Matteo Campanella wrote:
> As there is alot of software that takes the soundcard as default source
> for doing digital processing, do you think it would be possible to build a
> virtual sound card device driver to be used as sink from gnuradio and as
> sign
I am trying to find some information on how to use the two Tx
daughterboards to transmit independent data streams?
In one of the posts,
http://lists.gnu.org/archive/html/discuss-gnuradio/2005-10/msg00142.html
Eric said that this can be done by using a "stream with two interleaved
channels of I & Q
On Wed, Mar 08, 2006 at 07:56:11AM -0500, Marcus Leech wrote:
> I'm trying to re-sample signals, ranging from 0.5Hz up to about 40Hz,
> sampling them at some small
> integer multiple of their frequency. Simple decimation isn't getting
> close enough, in many circumstances,
> leaving a significa
On Wed, Mar 08, 2006 at 08:45:04AM +0100, Matteo Campanella wrote:
> great... this should mean we should be able to test alot of examples
> removing the xlating filter from the chain... I hope to run some tests
> asap; in the meanwhile Eric, what is a good starter example to understand
> how to dec
Stephane Fillod wrote:
> Out of curiosity, will we be able to have a peek at the schematics of
> the LFRX&LFTX boards like it is possible for the Basic RX&TX boards at
> http://www.ettus.com/Download.html ?
All the schematics will be up on my web site by Friday.
> Also, there's no pressure inten
I digged into the usrp c code, and I have found the following code, that
basically says we could use 32 bits for tuning on the fpga, but we truncate
it to 14 - unless there's a good reason for that, we could be much more
precise in tuning the NCO... again, unless Matt has a good reason for that.
It was **specifically* * the Reiserfs that ran us away from it to the
less troublesome (at the time) EXT3. Isn't XFS deprecated because of
all the problems associated with it? I might be wrong but that is what I
recall.
Bob
-- snip, Eric wants to leave EXT3 for ReiserFS -
--
AM
On Wed, Mar 08, 2006 at 01:59:49PM -0500, Robert McGwier wrote:
> It was **specifically* * the Reiserfs that ran us away from it to the
> less troublesome (at the time) EXT3. Isn't XFS deprecated because of
> all the problems associated with it? I might be wrong but that is what I
> recall.
>
On Wed, Mar 08, 2006 at 02:52:14PM -0500, Frank Brickle wrote:
> Eric Blossom wrote:
>
> >...
> >I ended up remounting the relevant filesystem as ext2 to avoid the
> >problem...If we never go to the disk, it might not matter at
> >all.
> > ...
>
> It's been a long time since I looked at these pag
Eric Blossom wrote:
...
I ended up remounting the relevant filesystem as ext2 to avoid the
problem...If we never go to the disk, it might not matter at
all.
> ...
It's been a long time since I looked at these pages:
http://ardour.org/requirements.php
http://ccrma.stanford.edu/planetccrma/soft
On Tue, Mar 07, 2006 at 08:34:12PM -0500, Frank Brickle wrote:
> Dave Dodge wrote:
> >You can expect to have to
> >run synaptic several times and keep enabling/installing yet more
> >packages before you'll finally have a reasonably complete set of
> >headers, tools, and documentation -- unless ther
On Wed, Mar 08, 2006 at 12:26:07AM -0800, Eric Blossom wrote:
> On Wed, Mar 08, 2006 at 02:18:35AM -0500, Frank Brickle wrote:
> > Eric Blossom wrote:
> >
> > >Using LD_ASSUME_KERNEL=2.4.19 effectively forces the old (pre-NPTL)
> > >behavior, which means that acquiring an uncontested mutex require
On Thu, Mar 09, 2006 at 12:24:30AM +0100, Stephane Fillod wrote:
> On Wed, Mar 08, 2006 at 12:26:07AM -0800, Eric Blossom wrote:
>
> I assume you meant 'us' (micro-second), and not micro sample or micro
> Siemens :-)
Definitely micro Siemens!
> Talking about getting to the 32us area, this is wha
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