Audacity Forum

Generally with Nyquist it is better to work with "sounds" rather than with "samples". For example, if you want all of the samples that are above +0.5 in value (-6 dB positive going peaks, you could write a loop that reads the sample values and writes the value and index into a li...

Drag-select a portion of the show with hum only (if you have a large enough selection, it doesn't even matter if there is a little performance in there, too). "Cool. Let's see. We'll need a notch here. And one over there...." Can I assume you can't test for effectiveness? Do a recursive f...

I think Sound Soap had Standard Hum Removal. Yeah, here it is: Remove Hum [X] .. 60 [_] .. 50 [_] .. Off Taking out 50 / 60 Hz is easy. The problem is taking out the harmonics. In some cases the "fundamental" (50 / 60) can be quite weak, but there still be a pronounced audible hum due to ...

"Mains Hum" is a common problem. It is a hum with a base frequency of 50 Hz (Europe) or 60 Hz (US). Usually there are a lot of harmonics of the base frequency. This can usually be effectively filtered out with notch filters, but in some cases may require dozens of notches to handle the aud...

pfeuh wrote:For sure, add!

Done.

And what about volume? Automatic 0db? No. The track gain settings are applied before exporting. The primary purpose of multichannel export is to allow exporting multi-channel (surround) sound files. Obviously for this application users would want the track controls to be honoured, otherwise they wo...

See here for how to Export an audio file: http://manual.audacityteam.org/o/man/ex ... audio.html

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Topic moved to Windows forum. What settings do you have in the device toolbar? Where is this? The device toolbar is near the top of the main Audacity screen. Click on THIS LINK to see what it looks like. It's the thing for selecting the recording and playback devices and the number of recording chan...

Looks perfect here. The only thing I need to do after importing is to rejoin the stereo tracks.

All I get now is "ERROR WHILE OPENING SOUND DEVICE. PLEASE CHECK THE INPUT DEVICE SETTINGS AND THE PROJECT SAMPLE RATE." This error message indicates that Audacity is not able to access either your recording device or your playback device. What sort of sound card are you using? What opera...