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Re: [Discuss-gnuradio] sound card as complex source ?

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.


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 
using a GPS 1PPS signal, samples recorded from the sound card and use for that 
the second channel of the microphone input, but I cannot figure out how to 
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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