Re: [Discuss-gnuradio] Announcing GNU Radio Release 3.0
Once the signed binaries are on the GNU mirrors, should an announcement email go out to the info-gnu@gnu.org mailing list? Significant releases, like an X.0 release, should probably be announced there. Such a message should have a lot more about what GNU radio is capable of, what it does well, and a lot less detail than the version that went to our own hackers. Plus describe the big changes since the 2.0 release...some time ago. It'll be read mostly by people who don't use GNU Radio yet, but who might want to know when to use it, sooner or later. John ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
[Discuss-gnuradio] ReG - Building GNU Radio
Dear all, I have downloaded and built the GNU radio source code release 3.0 (Minimal Build) on cygwin. The installation went without any error. But when i tryied to run the sample dial_tone.py, i didnt get any error but at the same time there was no dial tone sound at the output. So i checked that the "WAVE" source was enabled in the audio control panel as instructed, but still no output came. Earlier when i was installing the wxpython module as stated in the page http://gnuradio.utah.edu/trac/wiki/wxPythonCygwin all the steps went well, but when i tried to run the demo.py as indicated in the 13th step, I didnt get the output and no error was reported. I feel these two issues have a link and hence i tried the steps once again, but then got the same problem again.No Output and No error... Where could the problem be?? Solution to this problem could be very very helpful. Thanks Shriram K V ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
Re: [Discuss-gnuradio] A question about general_work() function
On Tue, Oct 10, 2006 at 09:26:35AM -0700, Thomas Schmid wrote: Are you sure you get enough input items for the general_work? try to print ninput_items and see what the result is. It might be that you get always less than the 7 items you need to initialize the algorithm. Thomas Also, why do you think you should be using general_work instead of work? Eric ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
Re: [Discuss-gnuradio] USRP Custom Filter Taps
On Thu, Oct 05, 2006 at 05:51:49PM -0700, Daniel Garcia wrote: Matt Ettus wrote: Yes, you can change the filter taps in the FPGA. See the halfband (HB) verilog code. Thanks! I'll take a look. I read on a previous thread that it is possible to invert the spectrum of the sampled signal so that the tuned frequency would be the FM carrier. The end result being a stream from the USRP where 0 Hz is the center frequency of the audio carrier the the video carrier is at 4.5 MHz. Is this possible? The advantage here is that the base-band audio does not need to be shifted before FM demodulation; also the video carrier does not need to be shifted before demodulation (AM). Not sure what you're looking for here. After thinking about it, I'm not sure either. I figured I can to tune to FM carrier to the center frequency (0Hz), set the decimation to 4 (16 MS) and the video carrier is at -4.5MHz. Unfortunately, my USB/computer can't handle can't handle the 16 MS rate. I was hoping to avoid translating the signal by placing the FM signal at 0Hz. Since my PC can't handle that data rate, I'm just going to concentrate on the NTSC. -Daniel As an aside: It would be nice to have something like the GC4014 on-board the USRP. In my application it could be used to tune the video and audio signals on separate receiver channels without using up resources on the PC (and also reduce the need for a faster interface in some cases). Not sure if there's enough room on the FPGA though. The cost of extracting and decimating the audio portion of the full signal in s/w is pretty small. Have you tried just setting decimation to 8 giving 8MS/s complex? Why are you concerned about anything at 16MS/s? The 8 MS/s signal will have both the audio and video in it. A small amount of filtering would separate the two streams in software. Eric ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
[Discuss-gnuradio] Issue or even a problem with current release
Hello! On a whim I decided to download the currently available release for GNURadio. It complained that I needed the FFT package. I promptly found it at its location and built it, and installed it. The configure script still says that below my signature, even though I've moved everything over to the /usr/lib location. Having never really worked with pkg-config scripts, I am at a loss here. -- Gregg C Levine [EMAIL PROTECTED] This signature was once found posting rude messages in English in the Moscow subway. - checking for fftw3f = 3.0... Package fftw3f was not found in the pkg-config search path. Perhaps you should add the directory containing `fftw3f.pc' to the PKG_CONFIG_PATH environment variable No package 'fftw3f' found configure: error: Library requirements (fftw3f = 3.0) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them. ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
