[Elecraft] Noise Reduction

[James Sarte (K2QI)]

Hi Guy,

I'd have to agree with you there.  I think the algorithm used by the BHI
device sounds much better than the BRIL offering.

73,
James K2QI

On Tue, Nov 30, 2010 at 9:13 PM, Guy Olinger K2AV <olinger at bellsouth.net>wrote:

> Well, I listened to the demo's and to MY ears, it seemed ineffective,
> removing the voice entirely at some points.  The "cleaned" output was
> harsh and very treble, and seemed little more than a high pass filter.
>  IMHO, this one is clearly inferior to the K3.  If it was one of the
> choices, it would be complained about a lot, though as completely
> subjective as people are on this topic, some would probably like it.
>
> 73, Guy.
>
> On Tue, Nov 30, 2010 at 2:59 PM, JAMES ROGERS <w4atk at bellsouth.net> wrote:
> > Personally I am quite happy with the solutions offered with the K3. I
> > had no problem finding the "sweet spot" for my noise environment. But
> > for those that wish more, take a look at this site. For a licensing
> > fee you can have BRIL .......
> >
> > "BRIL is a new proprietary algorithm has been recently developed for
> > adaptively estimating and removing background noise from speech
> > signals. Unlike noise reduction and speech enhancement algorithms
> > currently available on the market, the new algorithm is capable of
> > cleaning noisy speech even in severe noisy environments without any
> > distortion to the speech signal. The algorithm has been successfully
> > used in many communication systems with high level of noise. BRIL is
> > suitable for many applications such as car kits, mobile telephony,
> > conferencing, speech recognition, Internet phones, etc."
> >
> > They offer a demo where it seems you can play with setting various
> > parameters.
> >
> > http://www.dspalgorithms.com/products/nr.html
> >
> >
> > JIM ROGERS
> > w4atk at bellsouth.net
> > http://web.me.com/jimrogers_w4atk
> >
> >
> >
> >
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-- 
73 de James K2QI
President UNARC/4U1UN