How to Get Higher Audio Quality when Using Audacity

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General Tips

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Removing Background Noise

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Removing Clipping

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Saving in High Quality

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Q&A

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Tips

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Warnings

This How.com.vn teaches you how to improve the audio quality of a song in Audacity. You can ensure a high-quality product by starting with a high-quality recording, reduce background noise during mastering in Audacity, and set the final track's audio quality when saving the track.

Part 1

Part 1 of 4:

General Tips

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1
Start with high-quality recordings. As obvious as it may sound, ensuring that your recording is as high-quality as possible means that you won't have to edit the recording in Audacity very much, If you're editing music, make sure it's in MP3 format from a CD; if you're recording music, follow these guidelines:
- Use high-quality recording equipment - A pop filter and a high-quality microphone will go a long way in ensuring high recording quality.
- Record in a good acoustic space - Try to record in a tight, insulated area. You can even turn a closet into a recording space by clearing it out and lining the walls with acoustic foam.
- Eliminate background noise - Record during a time where air conditioners or other appliances aren't running. A high-quality microphone will pick up any sound, so minimize the number of sounds that it can pick up.
If you record with another program or device before using Audacity, make sure you export or extract the track's audio using the highest-possible quality.
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If you convert a WAV file to an MP3 file and then import it into Audacity, you'll lose some quality; instead, wait until the final saving process to convert the file.
Even decent speakers can mislead you, so listen using headphones to pick up minor flaws or background noise.
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Change Audacity's default quality settings. To do so:
- Open Audacity
- Click Edit (Windows) or Audacity (Mac)
- Click Preferences... in the drop-down menu.
- Click the Quality tab.
- Click the "Default Sample Rate" drop-down box, then click 48000 Hz
- Click the "Sample Rate Converter" drop-down box, then click Best Quality (Slowest)
- Click OK (Windows only).

Part 2

Part 2 of 4:

Removing Background Noise

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It's an icon resembling an orange sound wave in the middle of a blue pair of headphones.
2
Import a track. Click File, click Open..., select your audio track, and click Open to import it into Audacity.
- It may take several seconds to several minutes to import your track.
Click and drag your mouse across a few seconds' worth of the background noise. It's best to find sections with only background noise if possible.
This tab is at the top of the Audacity window (Windows) or at the top of the screen (Mac). Doing so prompts a drop-down menu.
It's near the middle of the Effect drop-down menu.
This button is at the top of the window. This will help Audacity determine what is background noise and what isn't.
You can also click the track and then press either Ctrl+A (Windows) or ⌘ Command+A (Mac) to select the whole track.
Click Effect and then click Noise Reduction....
It's at the bottom of the window. This will remove the background noise from the selected section of track.
10
Repeat this process if the background noise is still present. If there's still a noticeable amount of background noise, repeat the noise removal process. You may have to do this several times.
- You can raise the amount of background noise removed by sliding the "Noise reduction" slider to the right.

Part 3

Part 3 of 4:

Removing Clipping

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Clipping is typically characterized by rough, grating, and/or distorted playback.
Clipping visually resembles higher-than-average peaks of sound activity in the Audacity window. If you notice one section that's significantly louder than other sections in the track, it's most likely clipping.
Click and drag your mouse across the peak to select it.
A drop-down menu will appear.
This is near the top of the Effect drop-down menu.
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Click and drag the slider to the left. The "Amplify" slider is in the middle of the window; dragging it to the left reduces the volume of the selected section, which in turn reduces the clipping.
- Don't overdo this step. You should only need to drag the slider a decibel or two to the left.
It's on the left side of the Amplify window. This will allow you to listen to the selected section with your settings applied.
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Listen for a lack of clipping. If the section no longer clips, you're good to go; however, make sure that it isn't too quiet in comparison to the rest of the track as well.
- If there's still clipping, reduce the volume some more.
9
Click OK. It's at the bottom of the window. Doing so saves the changes and applies them to the track.
- You can repeat this process for other instances of clipping throughout the track.

Part 4

Part 4 of 4:

Saving in High Quality

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It's in the top-left corner of the Audacity window (Windows) or the upper-left side of the screen (Mac). A drop-down menu will appear.
2
Click Export Audio…. This option is about halfway down the drop-down menu. Doing so will open a new window. If you receive an error about the "LAME encoder", first do the following:
- Windows - Go to https://lame.buanzo.org/#lamewindl and click the Lame v3.99.3 for Windows.exe link. Double-click the setup file, click Yes when prompted, and follow the on-screen steps.
- Mac - Go to https://lame.buanzo.org/#lameosxdl and click the Lame Library v3.99.5 for Audacity on macOS.dmg link. Double-click the DMG file, then verify and install LAME.
Type a name for your finished file into the "Name" field.
This is in the middle of the page. A drop-down menu will appear.
Selecting the MP3 option makes your song playable on nearly any platform.
You'll find this near the bottom of the window. A drop-down menu will appear.
Click either Extreme or Insane in the drop-down menu. This will make the track's quality much higher than average.
Click one of the folders on the far-left side of the window. On a Mac, you may first have to click the "Where" drop-down box to select the folder.
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Click Save. It's in the bottom-right side of the window. Doing so will save your project as an MP3 file and export it in the highest possible quality.

Community Q&A

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Question
I have a big, strong voice with a wide vibrato. When I play back my audio, my high notes are screechy and my vibrato is tinny. What can I tweak in the settings?
Community Answer
Tweak the EQ for more bass, less treble. But this might be an issue with mic or speaker quality. Always use a good mic, and sing quite close to it to pick up the bass.
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Question
MP3 files are lower quality and there are better formats. Why are they being recommended here?
Community Answer
Since Mp3 is playable in many devices, unlike other formats which only support specific operating systems. Besides the file size is also smaller comparatively.
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Question
How do I increase whispering voices after the noise reduction and get rid of echos?
Citylimits
Community Answer
This is more of an issue of recording and less of mixing. Look into acoustic treatment and use a good quality microphone to ensure that the original recording is good first. The echos are better known as reverb, and whilst it's easy to add more reverb, it's very hard to take it out.
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Save your projects often, especially if you make lots of small edits. This will allow you to revert to the saved version if one of your edits screws up your project.
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