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Re: Layered Kicks and Phasing Issues

2007-01-04 by marco cesare

hi all,
for which it concerns the layered kicks or, better, layered low frequencies:
the fact is of course, due to phasing issues but, for me, the most
important thing is the "batiment" or better the beatings waves that
happen when 2 low frequencies are played togheter in the same time.
An example: let's say I play 2 freqs, 35Hz and 37Hz, what's happens?
Our hearing system will listen a 36Hz (the average freq) but in a strange
way, in fact I'll listen that freq with variations in amplitude and these
variations will be function of time of half second or better 500 ms, more or
less (37-35= 2Hz; this corresponds to 500ms).
The amplitude of that freq will vary (max and min) every 500ms, and this
is, for me, the possible cause deriving from fluctuations occured for 2 layered
kicks. Of course, this happens also for middle and high freqs but in this case
the amplitude variations are so fast that for our hearing system are inaudible.
My english is bad I know, but comments will be welcome.

marco

>
>
><http://groups.yahoo.com/group/elektron-users/message/14367;_ylc=X3oDMTJxODI1M2thBF9TAzk3MzU5NzE1BGdycElkAzI4NDc3MwRncnBzcElkAzE3MDUwMzE5NTkEbXNnSWQDMTQzNjcEc2VjA2Rtc2cEc2xrA3Ztc2cEc3RpbWUDMTE2Nzg1MzY0Mg-->Re: 
>Layered Kicks and Phasing Issues
>
>Posted by: "Ian Lamb" <mailto:ianblamb@...?Subject= 
>Re%3A%20Layered%20Kicks%20and%20Phasing%20Issues>ianblamb@...   
><http://profiles.yahoo.com/aeon314159> aeon314159
>
>Tue Jan 2, 2007 5:09 pm (PST)
>
>Layering bass drums without selective filtering of each and getting
>them to phase-align is quite dificult in the real-world, as the most
>minute timing changes will cause phase issues, and needless to say,
>those will kill your low-end fast.
>
>I have found that similar issues exist in the MD when layering
>engines. If I want absolutely phase-locked sounds, with no
>cancellation, I have found I cannot do it live and real-time with the
>MD - I have to sample the constituent sounds and post-process/align in
>the DAW.
>
>cheers,
>Ian
>
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