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Audio Sink - GNU Radio
https://wiki.gnuradio.org/index.php/Audio_Sink
On by default, which should be used when this sink is not throttled by any other block. Num Inputs The audio sink can have multiple inputs depending upon your hardware. For example, set the inputs to 2 for stereo or 1 for mono. Example Flowgraph This flowgraph should play a 1 kHz tone out of your speakers.
gnuradio - GNU Radio FM Receiver does not work on …
https://ham.stackexchange.com/questions/17767/gnu-radio-fm-receiver-does-not-work-on-ubuntu-20-04-nor-on-windows-10
Apparently the GNU Radio version that comes with Ubuntu 20.04 is version 3.8, where the WX GUI has been deprecated. I replaced the WX GUI Slider with Qt GUI Range and the WX GUI Sinks with the Qt GUI sinks and so on. The important blocks such as WBFM Receive, Audio Sink, Rational Resampler, RTL-SDR Source are still the same and remain untouched.
Digital Signal Processsing using GNURadio - Introductory ...
https://wvurail.org/dspira-lessons/dsplab-intro/
To add a sound output, select “Audio” and then double-click on “Audio Sink”. Connect the “Audio Sink” input to the “Throttle” output and leave the “Sample Rate” at the default value of samp_rate (32000 samples/sec). Save the flowgraph, e.g., as ex01_2.grc.
azure-software-radio-hello-world/hello_world_stage1.md …
https://github.com/microsoft/azure-software-radio-hello-world/blob/main/stage1/hello_world_stage1.md
The output is our audio signal, we pass it through a Multiply Constant block which acts as our volume knob, and lastly feed it into the Audio Sink block which attempts to play it through the computer's sound. When you run the flowgraph you will notice two adjustable bars: one for the volume knob and another to tune the radio.
gnuradio - GNU Radio audio underrun on FM Radio …
https://stackoverflow.com/questions/32034280/gnu-radio-audio-underrun-on-fm-radio-capture-using-the-hackrf-compatible-rad1o
You should try using GNU Radio natively. GNU Radio has a live image that you can put a DVD or USB stick and try out natively. Also, try different audio sampling rates in the audio sink (you will need to adjust the audio rate/decimation in the demodulator, too!). 44100 works best, typically. answered Aug 16 '15 at 15:25 Marcus Müller 29k 4 43 82
Using GNU Radio Companion: Tutorial 1
https://www.csun.edu/~skatz/katzpage/sdr_project/sdr/grc_tutorial1.pdf
Using GNU Radio Companion: Tutorial 1 GNU Radio Companion (GRC) is a graphical user interface that allows you to build GNU Radio flow graphs. It is an excellent way to learn the basics of GNU Radio. This is the first in a series of tutorials that will introduce you to the use of GRC. 1.
Sound generator using Gnuradio – Open Cloud Blog
https://www.opencloudblog.com/?p=272
A Audio Sink from the Sinks block. This sends the output signal to the soundcard. The input is connected to the Complex to Real output. A graphical display WX GUI Waterfall Sink from the WX GUI Widgets block. This shows the time/FFT spectrum. Set the FFT size to 2048. The input is connected to the add output.
Digital Signal Processsing using GNURadio - Digital Filter ...
https://wvurail.org/dspira-lessons/dsplab-filters/
A chord is the sound produced by playing three or more notes together. We can use fourier transform to extract the frequencies that make up those chords. Build a flow-graph that simply uses an audio source, converts the float output to complex and sends that into a Frequency Sink. Once ready, let’s play the C-Major chord.
[Discuss-gnuradio] How to specify Audio Source device_name?
https://discuss-gnuradio.gnu.narkive.com/t7qCKNkO/how-to-specify-audio-source-device-name
My problem needs to use an external signal as the Audio Source. GNURadio defaults to using the microphone in the laptop. I added an external USB/audio device to connect the external signal. After unsuccessfully trying several other ways to run GNUradio, I downloaded ubuntu-14.04.5-desktop-amd64-gnuradio-3.7.10.1.iso and am
audio - GNU Radio: Use sound output as input source ...
https://stackoverflow.com/questions/32213443/gnu-radio-use-sound-output-as-input-source
In gnuradio-companion I'm using the audio source block as my input signal for the next blocks. All works almost fine. The only little problem is that I'm getting the signal from my microphone (this is the normal behavior off course). I would rather like to get the audio signal being played directly without having to go through my speakers, the air from my room and the …
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