Audacity Forum

I'm using the headphone port on the Dell laptop for "line in" On my Dell laptop it is possible to toggle the mic "port" into a (much less sensitive) line-in socket. That toggling is not an Audacity/Windows thing, it's Dell thing. [ I'm assuming you made a typo there: the headpho...

Typically mains-hum is exactly 50Hz or 60Hz, and only a few harmonics, so only a handful of notches are required.
But in your example a standard 50Hz de-hum filter misses the target, and the full 150 odd harmonics are necessary ...

Are you using an extra plugin? Notch Filter doesn't do the same when entering 50.68 Hz and going down to 0.1 with Q. (I don't understand what I'm doing, I understand Hz but not Q and don't know the frequencies of harmonics) 150 notches are required: the odd multiples of 50.68 Hz , i.e. 50.68 Hz, 15...

what is this noise called, and is there a way to remove it? ... 2018-01-26pm-voice.wav (1.87 MiB) It's a real-bad case of mains-hum , where the fundamental frequency is 50.68Hz, (it's usually closer to 50Hz), and you only have the odd-numbered harmonics of 50.68Hz. Notch-filters can remove the buzz...

I am using Windows 10 and latest version of 2.2 Audacity. Am unable to get any sound to my PC ... I'm on Windows vista , either of these playback options work for me ... Audacity 2-2-1 , Preferences, Devices.png https://manual.audacityteam.org/man/devices_preferences.html If you are trying to recor...

I have tried using Change Speed but this affects the pitch and tempo of the voice. also tried using Change Tempo so that it doesn't alter the pitch, but its just not working. The option you haven't mentioned is change pitch , which does not change tempo. If you need to change both pitch & tempo...

... how to prevent this shift and maintain the timing ... Adding a little bit of silence to the start of all the tracks is a workaround. Select all tracks, ("Ctrl"+"A"), move cursor to the start, ("J"), then generate , say, 0.1 seconds of silence. Then when you export ...

stephw wrote:... how to get rid of the extra 35 minutes of dead air at the end of the recording?

Select the unwanted silence, then press the scissors button ...

kozikowski wrote:How much of that noise is below 20Hz?

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Your new Windows computer may be hiding recording devices like "stereo mix", here's how to show them ... http://www.thewindowsclub.com/how-to-enable-all-recording-devices-in-windows If that doesn't solve the problem, select WASAPI as the recording device to record the computer speakers.