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Audiovox Cell Phone Accessories - Cheap Online
Our phones already have lots of features built in, like integrated
digital cameras, color display, even PDA's. Audiovox phones also
have lots of accessories. With Audiovox cell phone accessories we
can gain greater access to the world around us...
How Can Blind People Read Books? (hint: Audio Books)
Why a blind child ought to miss the Harry Potter books? Why
can't he enjoy like millions of children all over the world the
Harry Potter magic? Well, he can enjoy it. Indeed, he can not
read the books or watch the movies but he can listen to...
Mind Power Audio Programs
When you use just 1/3rd of your mind’s power, incredible things begin to happen! Yes, it’s true. Your mind is so powerful that when you channelise it properly you can make all your problems vanish and watch all your dreams come true!...
MLM Success Training- Secrets Of The MLM Holiday Audio
It's the holidays and everyone is wishing each other a Merry Christmas and Happy New year!
And I bet you are going to be sending out holiday cards this year to your friends, family, and the like. We all do it during this time of the year, and...
Total Audio Converter: Pain-free Audio Conversion at High Speed!
Total Audio Converter: Pain-free Audio Conversion at High Speed!
A Slim Audio Converter Enables Rapid Conversion to Almost All Popular Audio Formats
The Softplicity research team today announces the immediate availability of the newest version...
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Reducing Noise in Audio Files
The beauty of digital audio is its promise of pristine quality. No clicks, hiss or scratches that were the norm of vinyl and tape recordings. That’s not to say that all digital audio is noise-free. Far from it. Poor recordings can still be made in the digital medium and recordings that have been transferred from analog (vinyl records or cassettes) to digital will retain some of their noise.
Fortunately, cleaning up digital audio is a fairly easy process. There are many software packages on the market specifically designed for reducing specific types of noise in digital recordings. Not all of them are suitable for all types of noise, so it’s important to analyze the type of noise you are trying to get rid of.
Most noise reducing software has a function for removing background hiss. This works by capturing a profile of the background noise. The profile is used to create a filter that matches the characteristics of the noise. To use this function you must select a quiet section of the audio to get a sample of the noise you want to reduce. A good place to take your sample from is between songs or the first second or two before the audio actually starts. The sample does not have to be long – half a second is all you need – but it can’t be music or voice – it should represent a silent section.
This noise profile will help you to reduce exactly the right kind of noise from your audio recording. It is useful for
reducing background hiss, but clicks and pops need another kind of processing.
Pops and clicks are of two flavours – digital and analog. Digital clicks can be caused by processor overload as you make a digital recording. The recording “stops” for a moment and the resulting skip creates a very short click. Digital clicks are easy to detect and most noise reduction software does this automatically.
Analog clicks and pops are caused by scratches and imperfections on vinyl and their duration is much longer than digital clicks. To remove this type of noise, a special filter is needed to automatically detect and remove the unwanted sound. Settings can be adjusted to match the size and frequency of the noise.
There are several audio packages on the market that are specifically designed to reduce noise from vinyl and cassette recordings. They allow you to capture the audio digitally by connecting a turntable or cassette deck to the sound card on your computer. Once the audio is stored on the computer, it can be processed to remove background hiss and clicks. Most presets will give you adequate results and you will be able to enjoy your old recordings in the digital domain.
About the Author
Ross is an enthusiast audio professional take advantage of his knowledge about MP3, AAC,OGG, FLAC SHN and other compression techniques
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| The World Wide Web Virtual Library: Audio |
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| Internet Archive: Audio Archive |
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