Even the obvious fact that in both cases are 6 dB of difference, it represents very different level changes to our hearing system (logarithmic scale!).īTW: I used a very limited audio recording/editing software in the time when we used MS-Windows 3.1 and that software had the logarithmic scale to show the audio waves. I’m talking about we are more sensitive to the changes between 0 and -6 dB than a change between -15 and -21 dB. Access your NMR data: On a Mac, from the Finder, select Go > Connect to server. In Windows, go to the start menu and under programs open MNova. The audio wave shown in the Audacity tracks should be looked most near to our ears are accustomed. Start up MNova from the Applications Folder. Why logarithmic scale? Simple: This is the way our hearing system works, period! It is not something like a personal election of someone. Double-click on the spectrum to change its appearance. Other tools are available in the View toolbar for example, you can specify exactly what region to zoom in on. ![]() ![]() I just wonder why Audacity uses that linear scale, which is not used in the real audio world (I don’t know any audio recording machine, digital or analog, with any other than the logarithmic scale). Adjust the vertical scale so that tallest signal fits on screen using the mouse wheel or by clicking on the Fit To Highest Intensity icon. Use the mouse wheel, touchpad gestures, or the keys + and - to scale up and down vertically. ![]() I’m not a programmer, sorry!!! I’m just a music teacher and audio technician, sorry!
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