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In Reply to: Re: Thanks for posting these graphs posted by Christine Tham on December 24, 2005 at 12:12:00:
You are amazing in your persistence in being wrong. You must love to be wrong. Repeat after me:THE PATENT IS NOT THE PRODUCT.
THE PATENT IS NOT THE PRODUCT.
THE PATENT IS NOT THE PRODUCT.
Please refer to the operating manual for the Pacific Microsonics Model Two HDCD encoder:
==========
Low Level Extension is an average signal level based low level compression / expansion
system used on HDCD 16-bit amplitude encoded recordings which very gradually raises
gain a preset amount when the average signal level drops below a preset threshold. During
HDCD 16-bit decoded playback the compression curve is expanded back to linear gain by
the HDCD decoder using a precisely mapped inverse of the compression curve controlled by
a hidden code, producing a dynamic range and resolution floor beyond 16-bit. During
undecoded playback low level information normally lost by standard 16-bit players is preserved,
providing more accurate timbral and spatial reproduction.
There are two modes of Low Level Extension, “Normal†and “Specialâ€. Normal mode begins
to affect the input signal 45 dB below peak level, gradually raising the gain 4 dB as the
level drops over an 18 dB range. Special mode begins to affect the input signal 39 dB
below peak level, and gradually raises the gain 7.5 dB over a 26 dB range.Use of Low Level Extension is optional in the HDCD 16-bit encoding process.
==========Since you apparently have a problem with reading compehension, I will repeat this last point:
USE OF LOW LEVEL EXTENSION IS OPTIONAL IN THE HDCD 16-BIT ENCODING PROCESS.
Remember Christine, THE PATENT IS NOT THE PRODUCT.
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- This is just silly - Charles Hansen 14:46:22 12/24/05 (4)
- HDCD is defined by the patent, not the implementation - Christine Tham 22:38:00 12/24/05 (3)
- Oh, that's right... - Charles Hansen 13:06:23 12/25/05 (2)
- And your point is? - Christine Tham 15:31:48 01/03/06 (1)
- Yep, yep, and yep. - Charles Hansen 19:43:56 01/03/06 (0)
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