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Author Topic: Still Alive Tribute by Eric Schwartz for Amiga playback  (Read 4846 times)

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Offline platon42Topic starter

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Still Alive Tribute by Eric Schwartz for Amiga playback
« on: June 23, 2008, 12:38:42 AM »
Eric Schwartz released a tribute to the Amiga called  "Still  Alive"  a  few months ago on YouTube. There's also an MP4 version of it, but so far, there was no Amiga native playback even though the animation itself is  not  very demanding  (320x200  in 4 colours). The main problem was sync'ing the video with the music -- especially when the  frame  rate  of  the  video  is  not exactly  50  Hz  or  60  Hz.  Latter  also needed a playback routine of the original mp3, with less CPU demand (otherwise only 68060th would be able to play it back).

This is an Amiga  and  MorphOS  compatible  playback  with  ECS/AGA/P96/CGX support.  The  audio has been converted from 44 KHz 16 Bit stereo to 22 KHz 16 Bit mono with ADPCM encoding as a compromise. A 68020+ should be enough, but this has not been tested.

The playback needs AHI, but otherwise should find a  suitable  screen  mode itself.

The only difference to the version shipped with the Deneb USB board is that under  MorphOS  it opens a 16 bit screen as somehow otherwise the rendering is not correct.

Enjoy and send your feedback to Eric Schwartz ;-)

The animation (3.3 MB) can be downloaded from

http://www.platon42.de/cgi-local/navbar.pl?0000&download.html#demos
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Offline platon42Topic starter

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Re: Still Alive Tribute by Eric Schwartz for Amiga playback
« Reply #1 on: June 23, 2008, 06:55:50 AM »
Quote

Moviesetter?


No. Moviesetter AFAIK can't playback four minutes of continous audio sample and keep that in sync.
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Offline platon42Topic starter

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Re: Still Alive Tribute by Eric Schwartz for Amiga playback
« Reply #2 on: June 23, 2008, 09:09:30 PM »
Quote

I can't get it to work with the music...


Be sure you have AHI unit 0 configured correctly.
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Offline platon42Topic starter

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Re: Still Alive Tribute by Eric Schwartz for Amiga playback
« Reply #3 on: June 23, 2008, 09:09:46 PM »
Quote

There is a much much better way to do this....... just make the animation an Anim5 or Anim8 and convert the audio to IFF/8svx 20hz (or is it khz?) on Digital Sound Studio 3.0..........then the animation is simply synced with SCALA MM300 or MM400


You are free to try it yourself. I am sure Eric will provide you with the 3.7 MB anim5 format file and the mp3 which in IFF/8SVX 8 bit mono in 22 KHz has a 3.8 MB file size (and this does not include the credits tune) which will sound much worse than the 16 bit resolution IMA-ADPCM file used here (the archive is only 3.3 MB in total).

And I doubt the Scala player will keep the lip-sync necessary -- I *really* doubt it. Moreover, the player won't work on RTG nor on MorphOS.

But please, try it. I'd like to see the results.
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