I am looking for a psychoacoustic model at 8000 Hz sampling
frequency intended for speech signal.
Can anyone direct me to some publication/standards/open source
code regarding this ?
Thanks and regards,
On Thu, 07 Sep 2006 Stefan Kerber wrote :
>A simple way to measure output volume is to measure the voltage at the input
>of the headphones (for a defined signal, like a 1kHz sine) and calculate
>sound pressure level using the headphones' transfer function. Doing it this
>way should also make it easy to change the headphones between different
>Von: AUDITORY Research in Auditory Perception
>[mailto:AUDITORY@xxxxxxxxxxxxxxx]Im Auftrag von Robbin Miranda
>Gesendet: Mittwoch, 6. September 2006 21:11
>Betreff: measuring output volume from headphones
>Can any of you recommend a way to measure the output volume/decibel level
> from headphones? We will be testing participants using auditory music and
>speech stimuli on two different computers (depending on availability of the
>two testing rooms) and would like to make sure that the output volume level
>is equivalent at both locations. We do have a decibel meter (from Radio
>Shack), but this doesn't seem feasible to use with headphones.
>Interdisciplinary Program in Neuroscience
>3900 Reservoir Rd., NW
>Washington DC 20007