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

Will Godfrey willgodfrey at musically.me.uk
Sun Sep 15 14:00:04 UTC 2013

On Sun, 15 Sep 2013 11:15:52 +0100
Gordon JC Pearce <gordonjcp at gjcp.net> wrote:

> On Sat, Sep 14, 2013 at 09:11:04PM -1000, david wrote:
> > I understand the old phone system audio was optimized for one thing:
> > human speech. Narrow frequency range centered around the average
> > human speech range. Listening to music over that was horrible!
> > 
> > My cheap cell phone plays music far better than any landline phone ever did.
> > 
> 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.
> They're still hellish expensive though, at roughly eight grand per year per link ;-)

However... my experience is that, certainly for all the time I've had access to
cell phones, for actual intelligible speech landlines are vastly superior in
every respect.

Will J Godfrey
Say you have a poem and I have a tune.
Exchange them and we can both have a poem, a tune, and a song.

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