Re: audio amplifiers for PC's


gaurav.patil@xxxxxxxxx wrote:

> Hello,
> I am looking to design a digital audio amplifier for my
> computer.My computer has a built in sound card which does not produces
> good sound effects more over i have low end 2.0 mercury speakers which
> makes the sound more worse.can any one please tell me about some sites
> where i would get complete circuit diagrams for desigining such a
> digital amplifier.

Why do you think a *digital* amplifier would be any better ?

> Also any design ideas from members is welcome.But to be precise i
> want something that has great sound quality(rather must have superb
> sound quality),with some features like digital bass boost,sound
> synthesis,surround sound etc.I know with all these features the
> circuit might become expensive but if any one can help me by
> suggesting something that can include all these features and still
> economical will be really nice.

Those features aren't included in any 'digital amps chips' or chipsets
that I know of - that needs separate DSP.

Yourt obsession with *digital* is illogical. Class D amps are used for
power efficiency not sound quality. The better Class D amps are getting
close to mid / low high end range analogue audio quality now though.

>
> Just to remind that i want this circuit to be placed between my
> pc and speakers i cant afford to replace either of them.

Buy a cheap 2nd hand hi-fi amp off ebay.

Graham

.

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