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Home » Digital Archaeology » Computer Arcana » Apple » Apple II » Deep Note on the Apple II, can it be done?
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Deep Note on the Apple II, can it be done? [message #368221] Mon, 28 May 2018 11:29 Go to next message
Egan Ford is currently offline  Egan Ford
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Registered: October 2012
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THX just released the sheet music for "Deep Note".

https://io9.gizmodo.com/thx-just-shared-the-original-sheet-m usic-for-its-deep-n-1826357817

More info:

https://en.wikipedia.org/wiki/Deep_Note

A friend of mine asked if the Apple II could do this. I have no idea
what specialized sound cards can do. I did a quick Google, and did not
find any Apple II implementations, so I ask here.

Can it be done?

Thanks.
Deep Note on the Apple II, can it be done? [message #368243 is a reply to message #368221] Tue, 29 May 2018 11:40 Go to previous messageGo to next message
Michael AppleWin Debu is currently offline  Michael AppleWin Debu
Messages: 1262
Registered: March 2013
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Also see:

THX Deep Note with Dr. Andy Moorer
https://www.youtube.com/watch?v=6grjzBmHVTY

Screenshot of the Win32/64 console output at 0:49 mark:
https://youtu.be/6grjzBmHVTY?t=49

Screeshot of output at 1:59 mark and the original C source code at 2:10 mark:
https://youtu.be/6grjzBmHVTY?t=119
Re: Deep Note on the Apple II, can it be done? [message #368263 is a reply to message #368221] Tue, 29 May 2018 20:48 Go to previous message
Michael J. Mahon is currently offline  Michael J. Mahon
Messages: 1767
Registered: October 2012
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Egan Ford <datajerk@gmail.com> wrote:
> THX just released the sheet music for "Deep Note".
>
> https://io9.gizmodo.com/thx-just-shared-the-original-sheet-m usic-for-its-deep-n-1826357817
>
> More info:
>
> https://en.wikipedia.org/wiki/Deep_Note
>
> A friend of mine asked if the Apple II could do this. I have no idea
> what specialized sound cards can do. I did a quick Google, and did not
> find any Apple II implementations, so I ask here.
>
> Can it be done?
>
> Thanks.
>

A digitized recording of it sampled at 11.025 KHz can be played with 5-bit
accuracy by DAC522.

--
-michael - NadaNet 3.1 and AppleCrate II: http://michaeljmahon.com
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