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Technology Stocks : e.Digital Corporation(EDIG) - Embedded Digital Technology

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Mar 20 5:00 PM EST

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To: Walter Morton who wrote (3733)	5/5/1999 10:18:00 PM
From: chris431	Read Replies (2) of 18366

I believe the idea of reprogrammability is the underlying advantage of using DSP chips rather than dedicated circuitry. While I'm not an expert on DSPs I can explain via example (which will be short). One sound card manufacturer (Creative) uses a DSP on it's new Live Soundcard. In interviews, industry comparisons, etc. it is often noted the advantage of the use of a DSP is that it can be reprogrammed to do certain functions that they later may wish to focus on and makes it much more diverse in what it is capable of doing. On the other hand, another sound card manufactuer (Aureal) does not use a DSP but rather a dedicated chip that they claim focusses primarily on what they wanted it to do....accelerate sound & 3d sound algorithms. As such, they can have a slower chip (although arguably it isn't actually slower) that outperforms a comparable DSP at the same task b/c of this. As such, it is my belief that any such DSP likely to be used in the context you are discussing can be reprogrammed as you discussed. Chris

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