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  1. Path: sparky!uunet!munnari.oz.au!ariel.ucs.unimelb.EDU.AU!ucsvc.ucs.unimelb.edu.au!lugb!news
  2. Newsgroups: rec.audio.pro
  3. Subject: Re: Whatever happened to biasless recording
  4. Message-ID: <1992Nov23.032221.3981@lugb.latrobe.edu.au>
  5. From: MATGBB@LURE.LATROBE.EDU.AU (BYRNES,Graham)
  6. Date: Mon, 23 Nov 1992 03:22:21 GMT
  7. Sender: news@lugb.latrobe.edu.au (USENET News System)
  8. References: <1992Nov16.013901.7644@lugb.latrobe.edu.au> <1992Nov18.184558.22249@leland.Stanford.EDU>
  9. Organization: La Trobe University
  10. In-Reply-To: jay@cmn19.Stanford.EDU's message of 18 Nov 92 18:45:58 GMT
  11. X-News-Reader: VMS NEWS 1.24
  12. Lines: 12
  13.  
  14. In <1992Nov18.184558.22249@leland.Stanford.EDU> jay@cmn19.Stanford.EDU writes:
  15. > 
  16. > The signal does not have to be digitized to take the cube root.  It can be  
  17. > accomplished with log and antilog analog circuitry, although noise would  
  18. > be a consideration.
  19. > 
  20. > Jay
  21. Now I'm intrigued! How does one take the log of a signal that passes through
  22. zero? If you use a dc offset, the non-linearity will mix it in with the
  23. original signal, no? 
  24. Pardon my ignorance,
  25. Graham
  26.