[Hackrf-dev] Getting started - overruns

[Karl Koscher]

You should try lowering the HackRF sample rate. For FM radio, you can set
it as low as possible. If you're running Mint in a VM, be aware that VMs
could adversely impact USB performance.

On Wed, Dec 31, 2014 at 12:40 PM, John Overbaugh <joatgm at gmail.com> wrote:

> I'm running my HackRF One against a Linux Mint desktop machine with an AMD
> A4 chip and 8 GB RAM, yet for the life of me using Michael's getting
> started video I cannot sample FM radio. At the sample rate in the video, I
> get no sound and my "buffer" is full of OOOOOO's. I added a slider to
> control the samp_rate, and as I reduced it I started to get a click and a
> pop for the sample rate, but I cannot get it to the point where I'm getting
> a legible audio sound.
>
> I've watched the video 2-3 times and I swear everything (except the
> samp_rate slider) is exactly as Michael specifies. Can it at all be
> possible that a quad AMD with 8 GB RAM is incapable of the sample rates
> needed? Is there a way to launch gnuradio-companion with more memory (a la
> -Xmx2024M or such)? Is there any obvious thing I may have overlooked?
>
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>
>
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