800 Hz test signal (inverted relative to
*.wav-file) from Nexus 4 Android phone and its spectrum
Woofer 50 Hz
LM 400 Hz
UM 3200 Hz
T 12800 Hz
Source 12800 Hz
What you hear is not the air
pressure variation in itself
but what has drawn your attention
in the streams of superimposed air pressure variations
at your eardrums
An acoustic event has dimensions of
Time, Tone, Loudness and Space
Have they been recorded and rendered sensibly?
