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Mail Archives: geda-user/2014/03/29/16:34:39

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Message-ID: <53372E3F.1040704@buffalo.edu>
Date: Sat, 29 Mar 2014 16:34:07 -0400
From: "Stephen R. Besch" <sbesch AT buffalo DOT edu>
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To: geda-user AT delorie DOT com
Subject: Re: [geda-user] Wav to C array ~ 16 bit to 12 bit
References: <CALSZ9gpoxnz9V-CbisKqmdwQyTtVf6G9nCe2Wt=4p4su-afFBQ AT mail DOT gmail DOT com> <5336E080 DOT 5080600 AT buffalo DOT edu> <533721CC DOT 9000408 AT buffalo DOT edu> <201403291603 DOT 19284 DOT ad252 AT freeelectron DOT net>
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Reply-To: geda-user AT delorie DOT com

On 03/29/2014 04:03 PM, al davis wrote:
> On Saturday 29 March 2014, Stephen R. Besch wrote:
>> realizing that I had forgotten
>> about the sign bit it became clear that you cannot just toss
>> the high  bits - you need to toss the low bits (essentially
>> an integer divide by 16).
> Usually if numbers are small enough, you can toss the high bits.
>
> "Usually" means the usual two's complement representation.
>
>
True enough as long as they are all positive. With signed data, you 
really have no choice but division of some kind

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