radio sample rates.

[Roger Tricker]

Hi All,
I'm a bit inexperienced with regard to get_player. All I use it for is to 
record Bob Harris from BBC Radio 2 each week.
Since BBC's earlier changes I have resorted to putting the url in to the 
'quick url' box and pressing record.
I thought that updates had made this unnecessary but having downloaded 2.91 
and now 2.92, it's still is the same. I have tried to change my shortcut to 
Web PVR Manager but no change.
Is there something else that I need to update?

Thanks
Roger

-----Original Message----- 
From: Jim Lesurf
Sent: Sunday, March 15, 2015 3:10 PM
To: get_iplayer at lists.infradead.org
Subject: radio sample rates.

I've just noticed a curious change and wondered if others have encountered
it or know the reason.

This is all for *sound radio*, not TV...

Until about a week ago the files I fetched using gip all share the 44.1k
sample rate I also get using the BBC's Flash plugin with FireFox.

However recently I've noticed that some of the radio files have a 48k
sample rate. Although the same programs using the Flash + FF RTMP route
show up as 44.1k still.

I'm still using gip 2.91 as I've not yet updated to 2.92, although I'll do
that shortly. Afraid that since I've only recently noticed the above change
I don't know if it might have co-incided with my adopting 2.91 or not.

In case anyone is curious, I can tell the sample rate because the audio DAC
I use indicates it. In general, it switches to 'follow the source'.

For radio I use --type=radio --no-tag --pid <pid> and this seems to get the
'best' results in general. Then allow gip to call avconv to recontain with
the usual codec copy settings.

Anyone encountered something similar or know why this has started to occur?
I'm wondering if the BBC are moving over to 48k sample rate for the radio
files and the Flash plugin or FF is causing this to be downsampled.

Jim

-- 
Electronics  http://www.st-and.ac.uk/~www_pa/Scots_Guide/intro/electron.htm
Armstrong Audio  http://www.audiomisc.co.uk/Armstrong/armstrong.html
Audio Misc  http://www.audiomisc.co.uk/index.html


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Checked by AVG - www.avg.com
Version: 2014.0.4800 / Virus Database: 4257/9304 - Release Date: 03/14/15