Hi,
Broadcast Receiver Audio Synchronization w.r.t Transmitter Clock
This can be applied to broadcast receiver where, for broadcast digital raido
receiver the audio output buffers will undergo buffer overflow or underflow if
the audio clock is not adjusted to the transmitter clock drift.
This n
Hi Ben,
Ok, I'm not 100% sure I'm following you here:
"Broadcast Receiver Audio Synchronization w.r.t Transmitter Clock"
is of course what you'll need to do, mathematically, anyway, and any
reasonable receiver has some kind of timing recovery (sync)
functionality that does that, in order to be a
Hi,
I was able to use the gr-drm to transmit using USRP and receive it on DRM
receiver. However when tried to change RM to mode A, it fails to transmit. I'm
using GNU Radio Companion 3.7.10.1.
I would like to experiment more on gr-drm, like DRM transmission
reconfiguration. DRM standard
Hi Marcus,
I have read the papers from Fons, and was interesting to know how the algorithm
implements the control loop. For broadcast receiver also the same can be
applied. Here the received audio will be in blocks of samples and the output
audio rate can drift due to crystal inaccuracies.
Hi Ben,
I'm happy to hear that gr-drm is being used! I hope you are using the
newest version, I did quite some refactoring some time ago.
On 11/04/2016 05:21 PM, Benny Alexandar wrote:
>
> Hi,
>
>
> I was able to use the gr-drm to transmit using USRP and receive it on
> DRM receiver. However
Hi Benny,
Drift between what and what?
So, drift between the RF receiver hardware and the transmitter: that's
job of the timing recovery in the receiver.
The output of that is an audio signal that is correctly resampled for
the *nominal* sampling rate of the Soundcard, measured in nominal
sampli
Greetings,
I would like to write a block (C++ preferably) that loads a vector (~512
values) from a file and keeps it in memory for subsequent iterations for
speed optimization purposes (so as not to have to load the same vector from
a file each iteration). I am relatively new to GNURadio and any
Hi Ashley,
you could use a vector source, and load the vector from a file :)
Best regards,
Marcus
On 11/04/2016 08:06 PM, Ashley Neboschick wrote:
> Greetings,
>
> I would like to write a block (C++ preferably) that loads a vector
> (~512 values) from a file and keeps it in memory for subseque
Hi,
I have installed the windows binaries from GCNDevelopment
http://www.gcndevelopment.com/gnuradio/
A simple test with a wav file and an audio sink does not seem to work.
I have changed the config file to use audio - windows but still this is not
working.
(same grc file works fine on Linux).
I
Hi Felix,
I'm happy to hear that gr-drm is being used! I hope you are using the newest
version, I did quite some refactoring some time ago.,
I pulled the git stable version from this link,
https://github.com/kit-cel/gr-drm/tree/stable
Which is the latest version of gr-drm ? I see anothe
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