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#1
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Correlation between audio channels
Hello,
Sample Champion can do this measurement in real-time using any soundcard. See here (in the updates about Vr. 2.8, near bottom of the page) a short overview of the functions: http://purebits.com/whatsnewv2.html It can show a Correlation Meter (between -1 to 1) of the 2 channels or the cross-correlation function of the 2 channels. Bye, Paolo |
#2
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On 29 Jan 2005 06:51:34 -0800, "paologatto"
wrote: Hello, Sample Champion can do this measurement in real-time using any soundcard. See here (in the updates about Vr. 2.8, near bottom of the page) a short overview of the functions: http://purebits.com/whatsnewv2.html It can show a Correlation Meter (between -1 to 1) of the 2 channels or the cross-correlation function of the 2 channels. Bye, Paolo A correlation factor less than zero is an interesting concept. d Pearce Consulting http://www.pearce.uk.com |
#3
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#4
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Very interesting indeed!
A correlation factor of -1 means that the signals have opposite phase :-) |
#5
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A correlation factor less than zero is an interesting concept.
Very interesting indeed! - A correlation factor of -1 means that the signals are the same and have opposite phase - A correlation factor of +1 means that the signals are the same have same phase - A correlation factor of 0 means that the signals have no similarities and are not correlated It's clearly explained in the web page.. :-) P. |
#6
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wrote:
Is there an effective method for quantifying the correlation between left and right audio channels, i.e. some software to do it? The only method I can find is Sound Forge "Process / Channel Converter" which has a preset for "Use difference between channels" and tells me my audio is very near mono, but it does not give a numeric correlation value. An X-Y display is usually the easiest way of getting some notion. You can also use a phasemeter. Or just use an L-R meter. Why do you want to know this? Are you cutting LPs? --scott -- "C'est un Nagra. C'est suisse, et tres, tres precis." |
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