L3-LL User Manual
3.3 IDR
™
Section
uantiz
Q
e
Range
24, 22, 20, 18, 16 bit
- Default
24
The Quantize control sets the target bit depth of the L3-LL output. Quantize is always active, so the
output of the L3-LL will be quantized to a maximum of 24-bits even if you are in a floating point
environment.
Dither
- Range
Type 1, Type 2, None
- Default
Type 1
Type 1 is “purist” dithering, designed for no modulation noise at low levels. IDR
™
Type 1 is optimized
for use at every processing stage, allowing for the effects of cascading and subsequent signal
processing. Type 1 is also optimized to generate minimal side effects when used with stereo signals.
Type 2 is designed to minimize the amount of added noise. It delivers a lower noise level than Type 1
at the expense of some low level distortion. Type2 is "auto-muting" with no input signal is present.
Shaping
- Range
Normal, Moderate, Ultra, None
- Default
Normal
The Shaping control selects the type of noise shaping filter that will be applied to the dither and/or
quantization noise. Noise shaping transfers the noise energy toward the higher, less audible range of
the frequency spectrum. Selecting None leaves the noise unfiltered.
IDR Active Indicator
-
Whenever Dither or Noise Shaping are engaged, the IDR status indicator will be colored red to indicate
activity in the IDR section. When both Type and Shaping are set to None, the IDR logo will turn gray to
indicate that IDR is disengaged. The output is still rounded according to the Quantize bit depth chosen.
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Summary of Contents for Multimaximizer L3-LL
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