On 07/22/2010 11:25 PM, Albert Graef wrote: > lieven moors wrote: > >> ...continuation of truncated mail (does anyone know why this happens?) >> > Probably it's the second "From" line; looks like your mail client is > confused by this. > > Concerning your question: As other have remarked, that is a very > intricate question which is studied in psychoacoustics, so one of the > requisite textbooks on the subject (like Roederer's "Psychophysics") > Thanks for the pointer. I'll see if I can find a copy... > might be helpful. Conventional wisdom (based on psychoacoustic > experiments) has it that a 10 phon increase (i.e., 10dB SPL, corrected > for frequency-specific sensitivity using the Fletcher/Munson curves or > some variation of that) means double loudness for many people (on the > average). > Do you think there is a direct connection between frequency-specific sensitivity, and the SPL range the ear can tolerate for specific frequencies? > But of course that doesn't mean that you can just add signals until you > achieve a 10 phon increase and get something twice as loud. If you're > adding signals then you also have to consider masking effects > (basically, spectral components hitting the same critical band on the > Cochlea), so you'll need a psychoacoustic model (same as what gets used > for lossy compression) to get it sorted out. > > Albert > > Yes, the ear is a wonderfully complex thing...
Greetings, Lieven _______________________________________________ Linux-audio-dev mailing list [email protected] http://lists.linuxaudio.org/listinfo/linux-audio-dev
