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Tips on Editing Sound Effects for a Sound Effect Library

by: SFXsource
Total views: 10 | Word Count: 486

Once you have recorded a large amount of material intended to be used as sound effects, the next step in creating a sound effect library is to edit this raw audio. You will need an audio editing software that will allow you to cut, fade in/out, normalize, and eq your tracks. There are many professional digital audio workstations (DAWs) out there for purchase and also several useful freewares easily found on the internet.

First import all of your raw .wav recordings into the software of your choice. Try to import 40 or so for efficiency, though you may attack one at a time, and solo each track for editing which mutes all tracks except the one with which you are working. Now you are ready to edit your sounds and then bounce them into completed sound effects. The following points will assist the quality and efficiency of your work.

1. First, normalize each track before editing it. This function increases the highest existing amplitude of the .wav file to the highest possible amplitude, meaning simply that it makes the .wav files as loud as possible.

2. Next, cut out unwanted frequencies that degrade the quality of your sound by using eqs. For instance, an unwanted air conditioning sound may be interfering with a bird chirp. To get rid of the unwanted AC simply apply a high pass filter around 2,000 Hz which will kill the AC noise but preserve the higher frequencies of the bird chirp.

3. After cleaning and amping the audio next find a clean break with which to start each particular sound effect and make a fade out or let the natural reverb of the sound fade out by itself for 1-2 seconds.

4. Create a stereo 48k 24bit .wav file of your recording for video editing purposes. This quality of file is highly valued by individuals and libraries that license sound effects and will earn good money.

5. By creating multiple versions of each recording you will increase the number of your products and thus the value of your library. For example, if you have a sequence of 20 firework explosions, create sound effects for one explosion, two explosions, five explosions etc while cutting and switching the order of explosions each time. Using this method, you can readily get 50 or more products from this one recording of fireworks.

6. You can further increase your number of effects by using pitch shift or other filters on each sound sample. For instance, the sound of a stream can be pitch shifted up to make it sound lighter and less tumultuous and pitch shifted down to make it sound larger and deeper.

With some prior knowledge of audio editing, one can follow the above tips to take raw audio recordings and create professional quality sound effects that can be licensed for profit to media creators.

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About the Author

Visit SFXsource's sfx library and demo professional quality sfxs at Sound Effects Library and download free sfxs and loops at Free Sound Effects and Loops  

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