Audacity Forum

Thanks steve I have a lot to read, test and retest... I am happy with the analysis around 100 ms. Just to explain that for people who are interested in speech analysis: measuring rms value of the whole file does not make sense in terms of audiology even if it makes sense mathematically. You have to ...

Thanks again Steve I would like to customize this plugin (changing the time window of analysis, giving additional informations: min, max...). However, I need to learn more on LISP and Nyquist language. For LISP, with some C knowdledge, I guess it will be ok. However, for Nyquist, it will be more dif...

I guess it was a side effect from the MacOS Textedit app. By default, it is formatting the text as rtf adding certainly some invisible data. I saved the plugin program after applying the plaintext option and it is showing up now in the correct menu now. If anyone has a better editor to advise on Mac...

Hi all, Sorry for this basic question but I am starting with audacity. In a previous topic, steve gave me some code to give the rms level every 100 ms. I want to customize this in the future (ask for the time window size...) but as I am using it quite a lot on different files, I wanted to insert it ...

I will check that and give feedback.

Thanks for the support

You are right "zero weighting" is more correct. We should use that term. I understood that the "real physical" dynamic range depends on physical measures with the sonometer but I was thinking that it could be anyway a relationship between levels of signal and the real life! What I will do is to intr...

I tested this code steve and got labels every 100 ms. I exported the labels to excel to look at the distribution, minimum (-20.4072) and maximum (-33.842) values. I would have thought that the dynamic is 33.842-20.4072=13.4348. However, it looks too simple. :roll: My interpretation is that we are no...

Select the quietest part of the recording and use this as the "background" level. This is the low end of the dynamic range. Select the loudest part of the recording and use this as the "foreground" level. Thus is the high end of the dynamic range. The difference of these two values is the dynamic r...

Thanks for your replies. I think I didn't explain enough clearly the situation: In a speech in noise hearing test, the subject hears speech material (sentence, word...) with a competing background noise. Depending on the SNR, the task is more or less easy. Historically, steady state noise or equival...

Thanks for your help As I understood and tested the contrast tool, it will compare 2 sections (eg one with speech versus one with noise). However my purpose is to caracterize only the background noise which is a 4 talker babble (rms; dynamic range: max level, min level). I am not sure that the "cont...