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From: | Marcus Müller |
Subject: | Re: [Discuss-gnuradio] Correct multiple audio cards clock differences |
Date: | Wed, 13 Jan 2016 11:10:05 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 |
Well, that could well be; at 96kHz, 1s after a day is a drift of which would be a relatively good value for soundcard oscillators. For drifts that small, you probably won't be able to correct this from signal. I'd say, since you can live with dropping samples, do the following: source 1 -> -> ... ->streams to vector -> vector to streams -> source N -> ->that enforces sample-synchronity. You then set a maximum size for the output buffers of the source blocks, if you'd rather lose few samples then seeing a growing delay and then lose a bigger bunch of samples. Best regards, Marcus On 01/13/2016 08:30 AM, Murray Thomson
wrote:
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