From: "Daniel Glöckner" <daniel-gl@gmx.net>
To: Alistair Buxton <a.j.buxton@gmail.com>
Cc: Antti Palosaari <crope@iki.fi>,
linux-media <linux-media@vger.kernel.org>
Subject: Re: SDR FM demodulation
Date: Sat, 11 Feb 2012 12:33:47 +0100 [thread overview]
Message-ID: <20120211113347.GA22110@minime.bse> (raw)
In-Reply-To: <CAO-Op+Fn0AxiqD4367O7H7AziR4g2vnFCMtsVcu1iRvf6P5iYw@mail.gmail.com>
On Sat, Feb 11, 2012 at 07:00:16AM +0000, Alistair Buxton wrote:
> The source file appears to be about 2 to 2.2 million samples per
> second. Any higher than that and the person speaking sounds like a
> chipmunk. Maybe 22050 * 1000 or 1024? Does any Finnish station
> broadcast "pips" like the BBC does? That could be used to determine
> the actual rate.
The stereo carrier is at 19kHz and RDS is centered around 57kHz.
I'd say this is 2048kHz sampling rate.
Daniel
next prev parent reply other threads:[~2012-02-11 11:33 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-09 15:01 SDR FM demodulation Antti Palosaari
2012-02-09 15:11 ` Patrick Boettcher
2012-02-09 15:21 ` Antti Palosaari
2012-02-09 21:47 ` Andy Walls
2012-02-11 2:08 ` Andy Walls
2012-02-11 2:29 ` David Hagood
2012-02-11 16:03 ` Andy Walls
2012-02-11 7:00 ` Alistair Buxton
2012-02-11 11:33 ` Daniel Glöckner [this message]
2012-02-11 12:46 ` Antti Palosaari
2012-02-11 15:15 ` Daniel Glöckner
2012-02-11 15:33 ` Antti Palosaari
2012-02-11 15:55 ` Daniel Glöckner
2012-03-12 1:09 ` Steve Markgraf
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