Search found 7 matches

by pohon
Thu Jul 02, 2015 2:10 am
Forum: Windows
Topic: Actual tone frequency
Replies: 3
Views: 169

Re: Actual tone frequency

steve wrote:Increase the "Window size" ("Edit > Preferences > Spectrograms") to about 2048.
Ah, got it! Thanks Steve :D
by pohon
Wed Jul 01, 2015 1:58 pm
Forum: Windows
Topic: Actual tone frequency
Replies: 3
Views: 169

Actual tone frequency

I'm generating a 250 hz tone with audacity 2.1.0 for windows, but when I view on spectogram it seems that the tone's frequency is less than 200 hz. Anyone can explain this? I attach the screen shot below. My assumption is what I mark with that green line indicating the height of tone frequency. freq...
by pohon
Wed May 27, 2015 2:12 am
Forum: Windows
Topic: Eliminating loud sound of a recording
Replies: 15
Views: 1623

Re: Eliminating loud sound of a recording

Kozikowski and steve opinion of the impossibility of my case sound reasonable. But I still have a bit hope since rovingcowboy idea of frequencies hacking on eq seems make it somehow near to possible. I think I prefer someone who expert to do this for me. So if any of you guys on this forum can help ...
by pohon
Tue May 26, 2015 3:40 pm
Forum: Windows
Topic: Eliminating loud sound of a recording
Replies: 15
Views: 1623

Re: Eliminating loud sound of a recording

I find a decoding method by twisting high freq and low freq with other editor on this link: http://www.subliminalrich.com/english/all/16-how-to-subliminal/39-decoding-a-subliminal-audio-to-check-the-sentences.html
Can we do the same with Audacity?
by pohon
Mon May 25, 2015 2:12 pm
Forum: Windows
Topic: Eliminating loud sound of a recording
Replies: 15
Views: 1623

Re: Eliminating loud sound of a recording

Back masking of a train? I'm going to say its not made to be anything but might be a power hum. The eq settings have a hum removeal one try that. You change the settings by clicking on the option at the bottom called unnamed. If you change to graphic view you see sliders to move up and down for all...
by pohon
Mon May 25, 2015 8:40 am
Forum: Windows
Topic: Eliminating loud sound of a recording
Replies: 15
Views: 1623

Re: Eliminating loud sound of a recording

The short answer is no. The software doesn't know what content is. It just knows sound or noise. We can't separate two different people speaking at the same time for the same reason. Your ears can tell there are two people speaking, but the software has no idea. You have the additional problem that...
by pohon
Mon May 25, 2015 2:26 am
Forum: Windows
Topic: Eliminating loud sound of a recording
Replies: 15
Views: 1623

Eliminating loud sound of a recording

Hallo, I'm completely new with this kind of audio thing, and I hope someone here can help me to find out whether it is possible to erase/eliminate loud sound on a recording while keep very low one with Audacity? I'm using Win2.1.0 version. I'm trying to decode a subliminal recording. I guess if I ca...