If you're super concerned about accuracy, then you'll want to use the Java command-line app pcutmp3, which is so far the only tool I know of which works around these issues. ![]() It's robust and free, and it has a nice graphical view of the volume level of each frame (you might need to play with the scale a bit), which although is not a true view of the decoded waveform, is usually good enough for the purpose of spotting ideal places to cut. But as long as the split points are in the middle of silence and you're not terribly concerned about losing a fractional second of that silence, then I second the recommendation for mp3DirectCut, a Windows app. This is due to complications related to various features and side-effects of MP3 encoding and decoding (the bit reservoir, encoder delay, padding, and decoder delay). However there's a penalty: a split-second of audio around the split points often becomes unplayable, sometimes resulting in a skip or click if the audio there isn't silent. Click the Paste Mix button in the toolbar to combine the files.General-purpose audio editors decode MP3s and then re-encode upon saving, so avoid those.ĭedicated MP3 splitters usually slice on frame boundaries, thus the audio is not being decoded and re-encoded, which is good.In your music file, select the portion of audio that you would like to overlay with your voiceover.Select your entire file by using the shortcut CTRL + A for Windows, and Command + A for Mac.Click and drag your mouse to select the portion of your audio file you would like to copy on top of your music file.Your two audio files should appear next to each other as separate tabs.Browse your files and select the one you would like, and click Open. Import your music file into a new tab by clicking the Open tab in the home tab toolbar at the top of your screen.To add background music to your audio file, use the Paste Mix feature in your edit tab. If your trial has expired please contact the media studio for recommendations for other tools to add music to your project. Note: This feature is a premium feature and is only available for 14 days with your free trial and is not available in the free version. In the Normalize menu, enter your own values or select a preset from the dropdown list.In the Normalize manu, click Auto Normalize for WavePad to maximize the volume automatically, or click Normalize to open your options menu.In the Levels tab toolbar at the top of your screen, click Normalize.Use the Normalize effect to maximize the volume of your recording. To apply amplify effects to just a portion of your file, click and drag your mouse to select a section of your file you would like to amplify, then repeat the steps above. ![]() Your amplify effects will be applied to your entire file.Click the Play button in the Amplify menu to preview the changes before clicking Apply.A gain of 50% will decrease the volume in half.The Amplify menu will open where you can adjust the gain percentage, or select a preset from the drop down menu.In the Levels tab toolbar at the top of your screen, click Amplify.To make your audio quieter or louder, use the amplify tool. Click the Play button in the Noise Gate menu to preview the changes before clicking Apply.In the Noise Gate menu, adjust the threshold slider to your desired level, or select an option from the preset menu. ![]() ![]() Click Cleanup > Noise Reduction > Noise Gate.To remove background noise based on threshold: Click Next to preview the file, then click Next again to apply the changes.In the Wizard menu, select the type of background noise you would like to remove.Click Cleanup > Noise Reduction > Noise Removal Wizard.To remove background noise based on type of noise: WavePad will then remove background noise from your file.Repeat the previous steps by clicking Cleanup > Noise Reduction > Spectral Subtraction based on Noise Sample.Click on your file to deselect the highlighted portion of your clip.Select Noise reduction from the menu, then select Spectral Subtraction based on Noise Sample.In the edit tab toolbar at the top of your screen, click Cleanup.Click and drag your mouse to select a portion of dead air from your clip (a section that captures the background noise of your file).To remove background noise based on a noise sample: There are many ways to remove background noise from your file in WavePad.
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