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This module has been designed by Klaus Woltereck and Dirk Düsterberg, two students at FH-Hannover, Germany, in cooperation with Marc Albrecht and myself.
The company behind this is A.C.T. owned by Marc Albrecht.
It connects internally to the expansion port of the Prelude-ZII soundcard
and can be used in any Amiga with Zorro II bus.
The audio output is sent to Prelude's onboard mixer so that it can be
mixed with all other Prelude channels.
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MHI support
Paul Qureshi, Dirk Conrad and I have been cooperating to define a new standard
API for hardware based MPEG players. The result is called MHI. It's easy
to implement, flexible and powerful. Since v2.8 AmigaAMP can access any MHI
compatible device, the first one being Dirk's MAS-PLAYER.
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Here's a quick introduction of some more hardware I've designed
for the Amiga system:
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This is a rather old Zorro-II fullsize board, made completely in
through-hole technology. However, it's so perfectly in line with market
requirements that it's still widespread.
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This board offers optical and coaxial connections to digital audio devices
like DAT recorders, CD players and MiniDisc systems. It's almost completely
manufactured in modern surface mount technology and consists of two parts.
The first part connects to the Prelude expansion port while the second part
fits in a free slot.
It supports playback of all common sampling rates (32, 44.1, 48 and 96 kHz)
without the need for external synchronisation, i.e. it's a true SPDIF
master. I also can record incoming signals at all the above sampling
rates and supports both 16-bit and 24-bit resolution.
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This is a little hardware hack to make the functionality of the well-known
Prelude soundcard fit into a small board that connects to the A1200's
internal clockport! It works perfectly with most of the Amiga 1200 board
revisions but fails to work in some cases. Generally speaking the more
hardware extensions you plug on the A1200 mainboard the worse it gets
because most of those extensions are just hacks by themselves.
In case it works you're lucky to have an Amiga 1200 with all the features
you'd expect from a normal soundcard, including mixer, native audio through
or bypass, wide software support and a proper connector terminal all at a
reasonable price. Ahem, Amiga peripherals have always been much more
expensive than PC stuff. :)
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That's about it! As you might know I've stopped all commercial Amiga
hardware development in Autumn'99. I'm now working for a company making
data/video projectors so my next projects to hit the worldwide market will
be DLP(tm) based multimedia projectors. :)
Here's the latest one: 1100-1200 ANSI lumens, 2.9kg, true XGA
resolution. Introduced at CeBit'2000 (Hannover Fair, Germany).
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