X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com Message-ID: <53372E3F.1040704@buffalo.edu> Date: Sat, 29 Mar 2014 16:34:07 -0400 From: "Stephen R. Besch" User-Agent: Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: geda-user AT delorie DOT com Subject: Re: [geda-user] Wav to C array ~ 16 bit to 12 bit References: <5336E080 DOT 5080600 AT buffalo DOT edu> <533721CC DOT 9000408 AT buffalo DOT edu> <201403291603 DOT 19284 DOT ad252 AT freeelectron DOT net> In-Reply-To: <201403291603.19284.ad252@freeelectron.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-PM-EL-Spam-Prob: X: 10% 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 -- fictio cedit veritati