From: Mike Markowski <mike.ab3ap@gmail.com>
To: coff@tuhs.org
Subject: [COFF] Re: Music!
Date: Sat, 11 Feb 2023 11:40:02 -0500 [thread overview]
Message-ID: <9ed90217-11f5-1f82-88d8-1dfe6ef15bb4@gmail.com> (raw)
In-Reply-To: <EA5856E2-9847-4381-BC3F-0C94A39A8776@canb.auug.org.au>
On 2/10/23 9:53 PM, steve jenkin wrote:
> In 1996, a Unix conference in Melbourne had a visit to the reconstructed first (valve) computer in Australia, CSIRAC.
> [ last extracts all about
>
> There was a reconstructed audio of ’tunes’ played in 1951 at a conference.
>
> I recall at the time being told that an AM radio had, at one time, been used to play tunes from the beast.
> They controlled square waves produced by ALU for different amplitudes on a single frequency to approximate AM.
This page has a bit of Beethoven's 5th using that technique on a pdp-8.
What, no stereo?? :-)
https://www.pdp8online.com/sound/sound.shtml
prev parent reply other threads:[~2023-02-11 16:40 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-10 0:37 [COFF] Music! Mike Markowski
2023-02-10 1:19 ` [COFF] Music! segaloco via COFF
2023-02-10 1:43 ` Dave Horsfall
2023-02-10 6:35 ` Lars Brinkhoff
2023-02-10 15:23 ` Paul Winalski
2023-02-10 19:13 ` Lars Brinkhoff
2023-02-10 19:05 ` Bakul Shah
2023-02-10 21:09 ` Paul Winalski
2023-02-11 2:53 ` steve jenkin
2023-02-11 4:20 ` Dave Horsfall
2023-02-11 19:24 ` Harald Arnesen
2023-02-11 16:40 ` Mike Markowski [this message]
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