Please excuse any odd typos in this post as I am riding in car and typing on my
Treo.
Aside from not being good for your speakers to blast out subsonics, this could
add a type of entrainment to the session, but a mostly inneffective one. I'd
look at other forms of direct entrainment.
Since most of the frequencies we are interested in entraining to are under 100
Hz., these aree the only mixing artifacts that need to concern us from an
entrainment perspective. We use either surf or white/pink noise as our
background since it is essentially randon in nature. For binaurals, many
programs stick to just the carriers. With carefully chosen tones it can be very
pleasing. Try to choose music that doesn't feature a heavy bass line. Smoke on
the Water is a poor choice.
Hope this helps.

Dr. Richard Price
RCP Consulting
http://www.rcpconsulting.us
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--- In bwgen@yahoogroups.com, "Robert Dolen" <robert.dolen@...> wrote:
>
> Hello, What impact does volume levels have on the various frequencies.
> For example, say you are using the inaudible range of Hz, 3 Hz and youblast
> it out of a stereo at maximum volume (perhaps felt, but not heard signal)will
> this make the brain attune faster or so to this specific frequency? Many
> entrainment solutions seem to involve sounds and music thatessentially
> mix in other frequencies in the audible range.
> Won´t that collide with the real Hz you are there for in the first place?
> Wouldn´t it be more effective with just the particular frequencies in the
> headphonesand not influence them with the "other Hz´s" of the music and
> sounds etc---??? Regards
> Robert
>