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| FFT and 60 Notch filter software |
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| loop123:
Hi, I need an FFT software and Notch filter software that can analyze the components of the waveforms and interferences directly from the ADC (with generic voltage input fed to the ADC that Audacity can easily read, meaning no coding of any kind) to tell what frequencies of the output are involved. And also attempt to 60 Hz Notch filter it with brick wall response from 59 to 61 Hz. The software can be combined in one or separate and must be free. Or cost so little. Know any? Thanks. |
| ataradov:
Both things come with Audacity by default. The notch filter even defaults to 60 Hz, since they anticipate it as the most common use. |
| loop123:
--- Quote from: ataradov on March 11, 2024, 05:35:39 am ---Both things come with Audacity by default. The notch filter even defaults to 60 Hz, since they anticipate it as the most common use. --- End quote --- Great to know that. Do you know how to convert Audacity file to one that can be read by Matlab in general (and EEGLab in particular)? |
| SiliconWizard:
Matlab can read WAV files, so that's probably your easiest path. |
| Karel:
EDFbrowser has many kinds of (notch-)filters: https://www.teuniz.net/edfbrowser/ The files generated can be read by matlab. |
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