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Shady Lane Retailers, Manufacturers, ePay, AudiogoN, Paypal or whatever. Buying and selling advice. |
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Shady Lane Retailers, Manufacturers, ePay, AudiogoN, Paypal or whatever. Buying and selling advice. |
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In Reply to: Could be wrong ... posted by Sommovigo on December 31, 2006 at 09:33:41:
You are thinking analog here. The digital signal is keyed to the change from 0 to 1, The direction of the change is immaterial for most digital signal storage. However, the Philips Redbook standard, IIRC, assigns a positive polarity to a positive change when going from 0 to 1, and a negative polarity when the signal goes negative from 0 to 1.
For pure data storage, the vector of the change is immaterial. Going from 0 to -1 is the same data wise as going from 0 to +1. Only with the DAC chip convention does this make a difference.Alas, as other have stated, absolute polarity is not easily recognized, nor considered an important issue. Transducer designs with mixed or altered polarities dominate the industry, and most seem to simply accept it is an artifact of reproduced music. That maybe so for a budget system, but in a time where there are speakers reaching atmospheric heights, price wise, I find that inexcusable.
Stu
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