Search found 4 matches

by jac
Tue May 05, 2015 3:34 pm
Forum: Audio Processing
Topic: how to make low frequencies MORE audible
Replies: 8
Views: 2351

Re: how to make low frequencies MORE audible

Hi, Thank you for the information and visualisation. Former reaction explains why one can’t hear/detect the “very short jumping on the floor” in the original (un-edited) recorded 5sec WAV file. One can hear/detect and visualise (via a waterfall diagram and spectrum graph) the “very short jumping on ...
by jac
Mon May 04, 2015 6:13 pm
Forum: Audio Processing
Topic: how to make low frequencies MORE audible
Replies: 8
Views: 2351

Re: how to make low frequencies MORE audible

Hi,

Thanks for the test. I generated the Chirp. I can hear the first 5-10 sec.
With which (a-brands) bass headphones could one hear, at an audible level, the sound right down to 20Hz?

Regards,
Jac
by jac
Mon May 04, 2015 12:51 pm
Forum: Audio Processing
Topic: how to make low frequencies MORE audible
Replies: 8
Views: 2351

Re: how to make low frequencies MORE audible

Hi,
>>What's the job?

I want to make for the city counsel, housing association, etc. (MORE) audible low frequencies sounds, which can be caused by (vibration of) central heating, traffic, etc.

Regards,
Jac
by jac
Mon May 04, 2015 6:49 am
Forum: Audio Processing
Topic: how to make low frequencies MORE audible
Replies: 8
Views: 2351

how to make low frequencies MORE audible

Hi, I’m trying to make low frequencies (20Hz-300Hz) MORE audible. I connected a Behringer ECM8000 measurement microphone to a Roland R-26 field recorder. I’m visualising (via a waterfall diagram and spectrum graph) the real-time signal measured with the ECM8000 via the audio interface of the R-26 wi...