Advice on Recording Sound Effects for a Sound Effect Library
To create sound effects for a respectable sound effect library one needs an audio recorder of professional quality. A digital recorder the size of a small digital camera will run you between $150 and $400 and will give you the quality you need for sound effects worthy of purchase and licensing. Also, many new recorders run easily on battery power, come with an acceptable T shaped microphone, can store up to 4 gigs of info via a flash card, and utilize USB connection.
Be aware, however, that any device you use must record up to at least a 48k sample rate because video uses audio with a 48k sample rate, not 44.1k. Any 44.1k samples you have will have to be upconverted to be used in a video production and this process always runs the risk of audio damage. Because of these potential problems with lower quality files, 48k sound effects are generally valued more by video editors and thus command a higher sale price should you choose to sell your sounds online.
There are two basic types of sound effects that you will be recording: "hits" and "ambiences." Hits are single short sonic events such as a slap, gun shot, or dog bark. Ambiences are longer background elements such as ocean waves, restaurant environments, or playground noises.
Any quality sound effect library needs both types of sound effects so you should be intent on recording both types. Ambiences are the easiest to obtain because they require only being at a location, standing there, and recording. Hits, though, need more planning because you often need to do foley to get what you need or wait around at various locations for the right moment, such as visiting a new mother and her newborn in order to capture that perfect baby cry.
Actually recording each sound effect is a simply process that only requires hitting the record button. Though, in order to make the best possible recordings, keep in mind these several tips.
1. When you record you want to have the loudest signal possible without clipping the microphone, called recording as "hot" as possible. If you notice a small red LED light lighting up during your recording then you need to pull back from the sound because your incoming signal is too loud. The goal is to avoid distortion but capture the strongest sound possible.
2. Very loud sounds such as explosions or loud cheering requires that you purchase a 10dB pad which will allow you to record high volumes. This sort of pad lowers strong signals by 10dB and can be bought on the web for $20.
3. While you want to minimize unwanted sounds and noise in your recordings as much as possible, do not obsess over finding the quietest recording environment because great sound effects can occur unexpectedly such as a beefed up motorcycle cruising by. If you are too uptight about getting that perfect recording environment you will slow yourself down in your efforts to gain content and just remember that you can always filter much background noise from your recordings during the editing process.
4. Protect the microphone with a windscreen or simply keep your recorder out of the wind by using physical barriers such as trees, walls, or even your jacket, because wind hitting the microphone head will ruin your recording efforts. Sometimes wind noise can be cut out during editing with a high pass filter and cutting frequencies below 200-500 khz but for the most part wind will destroy your work.
5. Music from live performances and loudspeakers must remain out of your recordings. If you accidentally include such music in the background of your ambiences it will make your recordings useless. Selling and using sound effects with such music is a violation of copyright law since that music itself is copyrighted.
The previous points, though simple, are mentioned to help the aspiring sound designer in the assembling of a valuable sound effect library. Articles that cover the editing, organizing, and promotion of these recordings will follow in the future.
Be aware, however, that any device you use must record up to at least a 48k sample rate because video uses audio with a 48k sample rate, not 44.1k. Any 44.1k samples you have will have to be upconverted to be used in a video production and this process always runs the risk of audio damage. Because of these potential problems with lower quality files, 48k sound effects are generally valued more by video editors and thus command a higher sale price should you choose to sell your sounds online.
There are two basic types of sound effects that you will be recording: "hits" and "ambiences." Hits are single short sonic events such as a slap, gun shot, or dog bark. Ambiences are longer background elements such as ocean waves, restaurant environments, or playground noises.
Any quality sound effect library needs both types of sound effects so you should be intent on recording both types. Ambiences are the easiest to obtain because they require only being at a location, standing there, and recording. Hits, though, need more planning because you often need to do foley to get what you need or wait around at various locations for the right moment, such as visiting a new mother and her newborn in order to capture that perfect baby cry.
Actually recording each sound effect is a simply process that only requires hitting the record button. Though, in order to make the best possible recordings, keep in mind these several tips.
1. When you record you want to have the loudest signal possible without clipping the microphone, called recording as "hot" as possible. If you notice a small red LED light lighting up during your recording then you need to pull back from the sound because your incoming signal is too loud. The goal is to avoid distortion but capture the strongest sound possible.
2. Very loud sounds such as explosions or loud cheering requires that you purchase a 10dB pad which will allow you to record high volumes. This sort of pad lowers strong signals by 10dB and can be bought on the web for $20.
3. While you want to minimize unwanted sounds and noise in your recordings as much as possible, do not obsess over finding the quietest recording environment because great sound effects can occur unexpectedly such as a beefed up motorcycle cruising by. If you are too uptight about getting that perfect recording environment you will slow yourself down in your efforts to gain content and just remember that you can always filter much background noise from your recordings during the editing process.
4. Protect the microphone with a windscreen or simply keep your recorder out of the wind by using physical barriers such as trees, walls, or even your jacket, because wind hitting the microphone head will ruin your recording efforts. Sometimes wind noise can be cut out during editing with a high pass filter and cutting frequencies below 200-500 khz but for the most part wind will destroy your work.
5. Music from live performances and loudspeakers must remain out of your recordings. If you accidentally include such music in the background of your ambiences it will make your recordings useless. Selling and using sound effects with such music is a violation of copyright law since that music itself is copyrighted.
The previous points, though simple, are mentioned to help the aspiring sound designer in the assembling of a valuable sound effect library. Articles that cover the editing, organizing, and promotion of these recordings will follow in the future.
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SFXsource's sound effects library can be visited, auditioned, and viewed at Download Sound Effects, and Free Sound Effects and Loops
posted by Marcondes Allen at 12:58 AM
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