Re: [LAU] Landlines, was Re: M/S EQ in Linux

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To: <linux-audio-user@...>
Date: Sunday, September 15, 2013 - 10:55 am

On Sun, Sep 15, 2013 at 11:15:52AM +0100, Gordon JC Pearce wrote:

> I use a lot of four-wire landlines at work, which are considerably "flatter" than normal phone circuits. You can order bare copper with flat response to about 10kHz which used to be used for broadcast links apparently. The new AOD stuff is more reliable (and can be switched like telephone calls, unlike hardwired links) but is restricted to "telephone bandwidth" by the digital codecs used.

In the early years when I was working in radio we used temporary
landlines for all live outside broadcasts. They usually went from
the concert venue to the nearest transmitter site, where we had
microwave links back to Brussels unless those were in use by the
TV people. Audio quality was usually more than good enough for FM
broadcasting, and they were quite reliable. I remember only one
occasion when we had any trouble with them.

At some point we started experimenting with digital links based
on multiple ISDN connections. Those were a nightmare, you couldn't
trust them for more than five minutes. It took years before things
were sorted out.

Ciao,

--
FA

A world of exhaustive, reliable metadata would be an utopia.
It's also a pipe-dream, founded on self-delusion, nerd hubris
and hysterically inflated market opportunities. (Cory Doctorow)

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Messages in current thread:
[LAU] M/S EQ in Linux, Brent Busby, (Mon Sep 9, 10:42 pm)
Re: [LAU] M/S EQ in Linux, Jörn Nettingsmeier, (Tue Sep 10, 10:15 am)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Tue Sep 10, 7:30 am)
Re: [LAU] M/S EQ in Linux, Fons Adriaensen, (Tue Sep 10, 9:38 pm)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Tue Sep 10, 11:47 pm)
Re: [LAU] M/S EQ in Linux, Brent Busby, (Wed Sep 11, 3:59 am)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Wed Sep 11, 3:54 pm)
Re: [LAU] M/S EQ in Linux, Brent Busby, (Wed Sep 11, 6:27 pm)
Re: [LAU] M/S EQ in Linux, Fons Adriaensen, (Wed Sep 11, 7:50 pm)
Re: [LAU] M/S EQ in Linux, Brent Busby, (Wed Sep 11, 8:07 pm)
Re: [LAU] M/S EQ in Linux, Ricardus Vincente, (Wed Sep 11, 9:02 pm)
Re: [LAU] M/S EQ in Linux, Fons Adriaensen, (Wed Sep 11, 9:06 pm)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Wed Sep 11, 10:00 pm)
Re: [LAU] M/S EQ in Linux, Bob van der Poel, (Fri Sep 13, 3:15 am)
Re: [LAU] M/S EQ in Linux, Gene Heskett, (Fri Sep 13, 2:05 pm)
Re: [LAU] M/S EQ in Linux, Gordon JC Pearce, (Sat Sep 14, 8:17 am)
Re: [LAU] M/S EQ in Linux, david, (Sun Sep 15, 7:11 am)
[LAU] Landlines, was Re: M/S EQ in Linux, Gordon JC Pearce, (Sun Sep 15, 10:12 am)
Re: [LAU] Landlines, was Re: M/S EQ in Linux, Simon Wise, (Mon Sep 16, 6:57 am)
Re: [LAU] Landlines, was Re: M/S EQ in Linux, Will Godfrey, (Sun Sep 15, 2:00 pm)
Re: [LAU] Landlines, was Re: M/S EQ in Linux, Fons Adriaensen, (Sun Sep 15, 10:55 am)
Re: [LAU] Landlines, was Re: M/S EQ in Linux, Joe Hartley, (Sun Sep 15, 2:45 pm)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Fri Sep 13, 6:36 am)
Re: [LAU] M/S EQ in Linux, david, (Fri Sep 13, 6:49 am)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Fri Sep 13, 7:42 am)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Fri Sep 13, 7:48 am)
Re: [LAU] M/S EQ in Linux, Al Thompson, (Fri Sep 13, 3:34 am)
Re: [LAU] M/S EQ in Linux, Ricardus Vincente, (Wed Sep 11, 9:21 pm)
Re: [LAU] M/S EQ in Linux, Brent Busby, (Wed Sep 11, 9:26 pm)
Re: [LAU] M/S EQ in Linux, Fons Adriaensen, (Wed Sep 11, 8:59 pm)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Wed Sep 11, 7:16 pm)
Re: [LAU] M/S EQ in Linux, david, (Wed Sep 11, 6:26 pm)
Re: [LAU] M/S EQ in Linux, J. Liles, (Wed Sep 11, 7:31 am)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Wed Sep 11, 4:00 pm)
Re: [LAU] M/S EQ in Linux, Ralf Mardorf, (Tue Sep 10, 8:09 am)
Re: [LAU] M/S EQ in Linux, J. Liles, (Tue Sep 10, 12:04 am)
Re: [LAU] M/S EQ in Linux, J. Liles, (Tue Sep 10, 9:43 pm)
Re: [LAU] M/S EQ in Linux, Fons Adriaensen, (Tue Sep 10, 10:21 pm)
Re: [LAU] M/S EQ in Linux, Joe Hartley, (Mon Sep 9, 10:51 pm)
Re: [LAU] M/S EQ in Linux, Kevin Cosgrove, (Mon Sep 9, 11:04 pm)
Re: [LAU] M/S EQ in Linux, Joe Hartley, (Mon Sep 9, 11:08 pm)