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   comp.sys.apple2      Discussion about Apple II micros      56,720 messages   

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   Message 55,380 of 56,720   
   Oliver Schmidt to All   
   Glitch-free High-quality Internet Audio    
   20 Mar 22 22:23:58   
   
   From: ol.sc@web.de   
      
   Hi,   
      
   The other day I finalized A2Stream, a program that simultaneously   
   receives a file from any HTTP server and plays it through the stock   
   Apple II speaker circuit.   
      
   Some personal background: For many years by now, I've developed and   
   maintained Ethernet software for the Apple II. My focus was always on   
   practicability, portability and reusablitiy. Often I've invested in   
   tools, trying to enable others to create something cool. However, for   
   once I wanted to do the opposite: Showing off with a tech demo that   
   pushes boundaries.   
      
   A2Stream follows the general concept of DAC522, but with an improved   
   audio quality using pulse-width modulation at 22050Hz sample rate with   
   ~5.17 bit resolution. This sample rate is kept consistent during the   
   complete playback, so A2Stream is supposed to sound better than   
   everything else using Apple II speaker circuit so far.   
      
   Project site - https://github.com/oliverschmidt/A2Stream   
   Demo video - https://youtu.be/YcYEnYsI-_M   
      
   Have fun,   
   Oliver   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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