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#21 |
Computer Nerd
Join Date: Sep 2007
Location: Rotterdam/Netherlands
Age: 48
Posts: 3,844
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#22 |
Unregistered User
Join Date: Sep 2012
Location: Copenhagen / DK
Age: 44
Posts: 4,190
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14 bit can sound good, but in the case of the Amiga and particularly the 1200, it is distorted since there are a lot of aliasing products in the output and the low pass filters are not aggressive enough to remove them (the 1200 has simpler filters than the previous models). And if it was, it would sound very dull since the bandwidth is not high enough.
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#23 | |
Computer Nerd
Join Date: Sep 2007
Location: Rotterdam/Netherlands
Age: 48
Posts: 3,844
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Quote:
Really, people keep saying this stuff about those filters, but I would really like to hear an example of this distortion. |
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#24 |
Unregistered User
Join Date: Sep 2012
Location: Copenhagen / DK
Age: 44
Posts: 4,190
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Once you notice it, it becomes hard to not hear it when the filter is disabled. You hear it as aharmonic high frequency tones (or noise depending on what is being played). If you play back a sine sweep (or use some tone generator), it should be very noticable.
To me, this is just how the Amiga sounds and it wouldn't sound Amiga-like to me if it was perfect. I have not heard how double frequency playback sounds, but it should help quite a bit and probably even make the aliasing inaudible. The SID in the C64 is really bad from an objective point of view, and not hitting the specification very well, but it turned out that it sounded very good anyway. I don't think the C64 would be as popular for sound if they have had the more accurate 8580 sound from the beginning. For the A1200, they probably also figured that removing a filter would be fine since people generally preferred to have the filter disabled anyway in the earlier models. |
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#25 | ||
Computer Nerd
Join Date: Sep 2007
Location: Rotterdam/Netherlands
Age: 48
Posts: 3,844
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Quote:
Quote:
It's better than a good quality source that's down-sampled to 28 khz with SOX, but strangely it's not that much better. You'll probably notice the difference with high quality classical music. Last edited by Thorham; 21 January 2015 at 20:51. |
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