[LAU] [OT] guitar pickups: how to get separate signals for each string?

Renato Budinich rennabh at gmail.com
Wed Feb 2 09:15:45 UTC 2011


On Wed, Feb 2, 2011 at 8:44 AM, Renato Budinich <rennabh at gmail.com> wrote:

>
>
> On Wed, Feb 2, 2011 at 3:59 AM, Robin Paulson <robin.paulson at gmail.com>wrote:
>
>> 2011/1/31 Renato Budinich <rennabh at gmail.com>:
>> > do these exist? Aren't the strings too close to each other to not
>> > influence each other's coils?
>> >
>> > As far as I can remember also, there's no way of isolating magnetic
>> > field.
>>
>> i would imagine that as you know the output for the pickup for each
>> string, you can use it do do 'noise'-cancellation on the outputs for
>> the other strings. the same principle as noise-cancellation headphones
>> use
>>
>> sorry, i haven't explained that very well, but can't think of better
>> words - ask if you want it explaining more
>>
>>
> yes, I understand. Actually this guy, that is doing his own hexaphonic
> pickups and is doing what you say in software, says that it doesn't change
> very much (very last paragraph):
>
> http://www.carmi.se/misterstarshine/Projects/5/index.htm
>
> renato
>
>
but maybe he's not doing it right... who knows... to the DSP-gurus:
shouldn't this[1] be fairly easy and give good results?

[1]: subtracting from the signal of a string the signal of nearby strings,
multiplied by appropiate coefficient

renato
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.linuxaudio.org/pipermail/linux-audio-user/attachments/20110202/fd422e24/attachment.htm>


More information about the Linux-audio-user mailing list