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Re: long FIR filters
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Re: long FIR filters


  • Subject: Re: long FIR filters
  • From: email@hidden
  • Date: Fri, 2 Feb 2007 17:48:56 -0000 (GMT)
  • Importance: Normal

> Unfortunately this technique has been patented (#6625629)
>
> http://www.google.com/patents?vid=USPAT6625629&id=GgAPAAAAEBAJ&dq=Efficient+Convolution+without+Input-Output+Delay
>

Only for low-latency partitioned convolution with unequal partition sizes
(and even that is a bit moot). The plain partitioned convolution (which
can still give usefully low latency) is ad lib (see "BruteFIR" for one
example, "pconvolve" opcode in Csound for another).


Richard Dobson



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References: 
 >long FIR filters (From: "Cor Jansen" <email@hidden>)
 >Re: long FIR filters (From: Chris Liscio <email@hidden>)
 >Re: long FIR filters (From: alex <email@hidden>)

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