Skip to main content
13 votes

How do I change the playback speed without changing the tempo?

Play-at-Speed Audacity has a "Play-at-Speed" feature located at Transcription Toolbar. Move the slider to choose a slower or faster speed than normal, then click the green triangle button to ...
Michael Hansen Buur's user avatar
6 votes
Accepted

How to make all sound be at approximately the same level?

Better is subjective, and taste differs, but a chain of effects might include the following: High pass filter, maybe set at 20Hz. Depends on the material, but if you have a recording done with ...
ghellquist's user avatar
  • 1,614
6 votes
Accepted

What is the best WAV encoding and why?

I assume that you export sound in order to import it somewhere else. This process has a lot of details and used to be done in the step called "mastering" in the old recording days. I'm no ...
ghellquist's user avatar
  • 1,614
5 votes

Audacity: calculate exact amplification

If the amplification was linear, and didn't result in clipping, then comparing any given peak value (in Audacity) between the two files will give you the information.
Jim Mack's user avatar
  • 1,741
5 votes

why is there a delay when recording my second track ? they dont align

No. You have a systemic delay. When your recording software sends samples to the soundcard, they are buffered in the driver, sent to the card, buffered in the card, digitally filtered for ...
user21184's user avatar
5 votes

How to change volume of a .wav file in a mp3gain-like way?

ReplayGain tags aren't standard in WAV files, so you have to alter the PCM data with the required gain. As per my reading of the Replaygain specs, a correctly implemented Replaygain scanner will ...
Gyan's user avatar
  • 694
4 votes

Silence a small section of just one channel in a stereo recording (Audacity)

MountainX, I don't know if you ever got the answer you needed but I just found out how to do it. If you have a stereo recording in Audacity you click on "Audio Track" at the left of the stereo ...
user24125's user avatar
4 votes
Accepted

Faking depth and stereo separation?

It depends on what you mean by “cleaner” really. Is this a professional or amateur recording? If you just want to improve the recording, then there are many things you can try. EQing to get a better ...
n00dles's user avatar
  • 2,584
4 votes

How can I eliminate sounds below a certain threshold?

It really depends on the material; are these sounds that you want to remove truly peaking at a lower level than every bit of the speech? How about in loudness or 'energy'? You need to look into the ...
n00dles's user avatar
  • 2,584
4 votes
Accepted

How to enable the dropdown menus (MME, Recording Channels, etc) in Audacity?

All those dropdown menus are now in one place: After clicking on the “Audio Setup” icon:   However, you can display / hide menus from your tutorial using the main menu:                              ...
MarianD's user avatar
  • 447
3 votes

Boost peaks but leave troughs unaltered in Audacity

You could try working with an expander, which is the reverse of a compressor and increases the dynamic range.
Alexxx's user avatar
  • 31
3 votes

How can I improve this chain of filters to make a better voice with Audacity

Processing always has the negative side effect of either increasing noise or taking away from the quality. The secret to processing is you want to do as little as possible to achieve what you want, ...
Steven Smith's user avatar
3 votes

How do I change the playback speed without changing the tempo?

This is a good question. My workaround is to speed up the audio during my edit with Change Tempo. Since I'm editing interviews, I use a lot of labels, but then those labels are synced with the sped-up ...
Jeraldo's user avatar
  • 31
3 votes

How do I mark points in Audacity?

Add a label track, and find the start of each leitmotif. Place your cursor at the beginning of the area you want, and press ctrl+alt+v or Edit>Paste Text To New Label. This will create a new label, ...
FeeeshMeister's user avatar
3 votes
Accepted

Replicate a specific sound effect?

If I would approach it, I would go and try the following: First of all, FM radio broadcasting has an upper limit of 15 KHz, and lower limit of 30 Hz. So cut all frequencies outside that scope to ...
Edwin van Mierlo's user avatar
3 votes
Accepted

Audacity select multiple ranges at same time for deleting

To do it one marker at a time, without messing up the ones you haven't yet done, start with the last marker & work towards the beginning. This assume that once you've done a cut, you no longer ...
Tetsujin's user avatar
  • 8,691
3 votes
Accepted

How can I get rid of the "phase shifter" sound of my voice?

Having listened to mentioned in comments - the effect doesn't come in at the 49s mark, it's there right from the start. It is definitely a phase issue - but I'm ...
Tetsujin's user avatar
  • 8,691
3 votes

How to remove Hitler's voice using audacity | Removing a certain typical sound in audacity

If you mean just the dialog, you'd do better starting from the 5.1 audio as a source. The centre channel should be dialog only. If you want to include the music, or if you only have the audio as ...
3 votes

How do you sync two tracks of similar audio?

If you don't start with timecode, or even a 2-pop or clapper, I can't see any other way than lining it up by eye; finding a common beginning… then hoping they stay approximately in sync. I've never ...
Tetsujin's user avatar
  • 8,691
3 votes

Normalize waveform level in Audacity

There's a difference between Normalisation to absolute loudness & perceived loudness. Standard Normalisation is absolute. It will turn the track up until the highest single peak reaches 0dBFS [...
Tetsujin's user avatar
  • 8,691
3 votes
Accepted

Not able to remove noise after recording from headphone output to microphone input

I'll try to go through this quickly :) and disclaimer: I'm not an electrician! The first unwritten rule in noise reduction is to record with as little noise as possible in the first place. Correct ...
n00dles's user avatar
  • 2,584
3 votes

Making old audio clip more audible

Well you have three options. Option 1: You can go to a professional studio and have them work on this file to do the best possible job of restoring it. Option 2: Try some restoration tools such as ...
WMRamadan's user avatar
  • 165
3 votes

Does reducing volume reduce bit depth?

IF you are doing this manipulation internally to the DAW (operating at 64-bit) then you will experience NO LOSS AT ALL. However, if you export the file after gain reduction as a 24-bit file, then you ...
Mark's user avatar
  • 8,890
3 votes

Background Noise Removal in Audacity 3.0.2

As you've not uploaded a sample, I can't say for sure, but the first step should be trying to understand where exactly the noise is. To do this, you can use spectrogram view that shows your audio file ...
salmonlawyer's user avatar
3 votes

Background Noise Removal in Audacity 3.0.2

If you have a podcast file consisting only of human voices, you owe it to your future self to check out some AI-powered audio tools for cleanup. I've done the “conventional” ways, including the ...
TORLEY's user avatar
  • 469
3 votes

Is it worth it to use 32-bit (float) in Audacity while mixing down to 16-bit?

If the file remains at 16bits, each step of your mixing could add a unit of amplitude and a noise (around -96dBFS) will accumuate. Then it is better to work in higher resolution. At 24bits (fixed) or ...
Frédéric LOYER's user avatar
3 votes
Accepted

Is it worth it to use 32-bit (float) in Audacity while mixing down to 16-bit?

The advantage of working at a much higher bit- or sample-rate internally than either your initial input or final output becomes more & more apparent as you start to rack up more channels, group ...
Tetsujin's user avatar
  • 8,691
2 votes

Extracting human vocals from really damaged audio?

The best tool for audio restoration nowadays seems to be Izotope RX. If you don't have access to the software you can still try selective eq-ing and stereo cancelation, yet even with the most ...
Dalv Olan's user avatar
  • 852
2 votes

Extracting human vocals from really damaged audio?

There are two basic ways I remove noise from an audio: You can use a visual equalizer(e.g- FL studio Parametric EQ2 or fabfilter Pro Q) that show the frequencies of where all sounds in your vocals ...
ebere's user avatar
  • 61
2 votes

Audacity, settings revert when opening exported wav

What I have found out so far: 1) Audacity prefers to work with 32-bit floats. Even if you save your file as 16-bit, when it comes into Audacity's work area, the calcs are done at 32. 2) There is a ...
Phil Freihofner's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible