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From: | Johannes Demel |
Subject: | Re: [Discuss-gnuradio] sound card as complex source ? |
Date: | Wed, 19 Oct 2016 10:19:51 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 |
Hi JM,the audio source block has an option 'number of outputs'. I assume you need to configure your audio source to choose the correct device and the correct number of output streams. I guess what you want is, you interpret source0 as I and source1 as Q data. Then use float to complex to interleave them.
Cheers Johannes On 19.10.2016 10:03, jmfriedt wrote:
Am I missing an option of the audio source block of gnuradio-companion for using both channels of the stereo microphone input of my sound card ? I'd like to time-stamp, using a GPS 1PPS signal, samples recorded from the sound card and use for that purpose the second channel of the microphone input, but I cannot figure out how to convince gnuradio-companion to provide both channels of the sound card (ie provide a complex output rather than a float). Thanks, JM
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