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Article #1365Re: Compression Techniques for Speech
From: drake
Date: Thu, 13 Dec 1990 08:48
Date: Thu, 13 Dec 1990 08:48
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1328 bytes
In article <9508@pitt.UUCP> dcollins@pittslug.sug.org.UUCP (Daniel Collins) writes: >I am working on a project where I have to compress a speech signal >by 20-to-1 ratio in real-time. If 20-to-1 not practical, what are >limiting factors, and what is achievable I will be using an 8 bit ADC >with a 8KHz conversion rate. So from 64 Kbits/second you want to do 20:1 compression, down to 3200 bits per second? Pretty aggressive. There's a company with a product that hooks to a standard serial port that claims to be able to do speech at 1100 bits per second; the product is from Digispeech, called the DS201. The compression algorithm seems to be proprietary. Sam Drake / IBM Almaden Research Center Internet: drake@ibm.com BITNET: DRAKE at ALMADEN Usenet: ...!uunet!ibmarc!drake Phone: (408) 927-1861
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!sol.ctr.columbia.edu!lll-winken!uunet!rufus!drake.almaden.ibm.com!drake From: drake@drake.almaden.ibm.com Newsgroups: comp.dsp Subject: Re: Compression Techniques for Speech Message-ID: <367@rufus.UUCP> Date: 13 Dec 90 08:48:28 GMT References: <77352@sgi.sgi.com> <wilf.660603845@rigel.sce.carleton.ca> <9508@pitt.UUCP> Sender: news@rufus.UUCP Organization: IBM Almaden Research Center Lines: 16