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Pro Audio
Junior Varsity
How audio is transferred through wiring.
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<blockquote data-quote="Kevin Cockburn" data-source="post: 217554" data-attributes="member: 16168"><p>Hi, sorry for the confusion. The -1 to 1 value is how the audio is stored in digital memory. Eg, cd audio is 16 bit, so there are 65536 representations per sample represented as 1/65536 steps). This is the audio i want to low pass filter but now im becoming aware that i need to have my program express this audio in an analogue fashion to decipher the db. (This -1 to 1 range is whats seen when you look at a waveform visually, and is the audio at its most basic form before amplifiers or any filters have been applied.) So this sample of audio is stationary and is fed to the filters to create the change. Im still a bit wooly as to how db works and how it is associated with this basic sample representation. And also i am unaware how to have the analogue version of the sample be created so that it can be fed into the (emulated) filters in the first place. Assume i have only digital representation and only my own software to do the legwork...Hope thats a little clearer.</p></blockquote><p></p>
[QUOTE="Kevin Cockburn, post: 217554, member: 16168"] Hi, sorry for the confusion. The -1 to 1 value is how the audio is stored in digital memory. Eg, cd audio is 16 bit, so there are 65536 representations per sample represented as 1/65536 steps). This is the audio i want to low pass filter but now im becoming aware that i need to have my program express this audio in an analogue fashion to decipher the db. (This -1 to 1 range is whats seen when you look at a waveform visually, and is the audio at its most basic form before amplifiers or any filters have been applied.) So this sample of audio is stationary and is fed to the filters to create the change. Im still a bit wooly as to how db works and how it is associated with this basic sample representation. And also i am unaware how to have the analogue version of the sample be created so that it can be fed into the (emulated) filters in the first place. Assume i have only digital representation and only my own software to do the legwork...Hope thats a little clearer. [/QUOTE]
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How audio is transferred through wiring.
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