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Re: [Discuss-gnuradio] Problem converting RTL 8 bit IQ samples to gnurad
From: |
Salvatore Sanfilippo |
Subject: |
Re: [Discuss-gnuradio] Problem converting RTL 8 bit IQ samples to gnuradio native format. |
Date: |
Wed, 19 Dec 2012 23:59:26 +0100 |
On Wed, Dec 19, 2012 at 11:55 PM, Marcus D. Leech <address@hidden> wrote:
> The RTL *WILL NOT* support sample rates reliably above 2.4Msps, regardless
> of how well-appointed your CPU is. It drops them internally in
> its pipeline. I would suggest using 2.4Msps, and up-sampling to 4Msps.
Thanks Marcus, I noticed this using rtl_test + a very fast computer:
still losing bytes above 2.4.
So should I assume that when modes_rx uses gets data directly from RTL
there is a software layer performing the up-sampling, and this is a
probable cause of my issues after the conversion?
Salvatore
>
> --
> Marcus Leech
> Principal Investigator
> Shirleys Bay Radio Astronomy Consortium
> http://www.sbrac.org
>
>
--
Salvatore 'antirez' Sanfilippo
open source developer - VMware
http://invece.org
Beauty is more important in computing than anywhere else in technology
because software is so complicated. Beauty is the ultimate defence
against complexity.
— David Gelernter
- [Discuss-gnuradio] Problem converting RTL 8 bit IQ samples to gnuradio native format., Salvatore Sanfilippo, 2012/12/19
- Re: [Discuss-gnuradio] Problem converting RTL 8 bit IQ samples to gnuradio native format., Nick Foster, 2012/12/19
- Re: [Discuss-gnuradio] Problem converting RTL 8 bit IQ samples to gnuradio native format., Salvatore Sanfilippo, 2012/12/19
- Re: [Discuss-gnuradio] Problem converting RTL 8 bit IQ samples to gnuradio native format., Nick Foster, 2012/12/19
- Re: [Discuss-gnuradio] Problem converting RTL 8 bit IQ samples to gnuradio native format., Salvatore Sanfilippo, 2012/12/19
- Re: [Discuss-gnuradio] Problem converting RTL 8 bit IQ samples to gnuradio native format., Marcus D. Leech, 2012/12/19
- Re: [Discuss-gnuradio] Problem converting RTL 8 bit IQ samples to gnuradio native format.,
Salvatore Sanfilippo <=
- Re: [Discuss-gnuradio] Problem converting RTL 8 bit IQ samples to gnuradio native format., Marcus D. Leech, 2012/12/19
- Re: [Discuss-gnuradio] Problem converting RTL 8 bit IQ samples to gnuradio native format., Salvatore Sanfilippo, 2012/12/19