[LAU] Piano composition - Lost Isle (& LV2 plugins)

S D stephen.doonan at gmail.com
Thu Jun 23 12:07:46 UTC 2016

A linux-audio-user member wrote me a message off list about the recording
of the piano piece Lost Isle that brought up a point I thought others might
find interesting.

He wrote--

> OFFLIST because it's -somewhere- critic!
> At some moments in lost isle,on the *forte* notes but not only the
> lower notes tends to do it too, reverb seems too add some strange
> and unpleasant harmonics, specially in the left side. e.g. around 0'44

I responded--

Thank you for the comments. The sound you hear at ~44 seconds into the
piece is an octave chord at a couple of the lowest C's on the piano (which
is why you hear it primarily from the left side of the stereo instrument,
where the bass notes exist at the left from a pianist's perspective),
played forte (accented, loud). The overtones you hear are the result of the
modeling of the copper-wire wound bass notes which are actually present on
a real acoustic grand piano, and are heavier (add more overtones/harmonics)
in smaller grand pianos such as the Steinway Model B piano that is modeled
here by Pianoteq, where the actual physical piano is only between 5-6 feet
from front to back.

Bass notes on a grand piano are noted for the many and complex overtones
they have as a result of the wire coil wrapped around them in order to
provide weight and the lower fundamental tone (the actual note frequency
intended for that piano key) without having to tune the string too loose or
make it too long (some grand pianos make those lower strings up to about 12
feet long to try to obtain a purer tone).

In this respect, Pianoteq is actually modeling the grand piano very
precisely. It is not a mistake; it is the way a grand piano actually
sounds. :-)

Thanks and best wishes,

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