Steinberg WaveLab Elements 7 Manual descargar pdf (Pagina 422)

408 Glossary

Audio Plug-ins

Glossary contents

15.57 Pre-roll and Post-roll

Pre-roll is the time elapsed before an event occurs; Post-roll is the time after an event.

Pre-roll can give a brief context if you are auditioning a Clip.

Glossary contents

15.58 Preset system

WaveLab provides a sophisticated Preset system, which allows you to store a range of

individual or bulk settings and recall them for later use.

Presets

Glossary contents

15.59 Processor cores

Processor cores Modern computers are often designed with a multi-core processor, with

two or more "cores" (i.e. independent processors) in a single physical package. A dual-core

processor contains two cores, and a quad-core processor contains four cores, with the aim

of improving computational performance.

The performance gains of multi-core processors depend on whether the software has been

implemented to take advantage of this architecture.In WaveLab, the multi-core approach

allows you to simultaneously encode as many ﬁles as there are CPU cores, for example,

leading to signiﬁcant performance increases. Batch Conversion

Glossary contents

15.60 Quantization

Quantization is the process by which measurements are rounded to discrete values. In

digital audio, the continuously varying voltages of an analog signal are quantized to discrete

digital values, represented in binary numbers. In 8-bit audio, sample values range from -128

to 127; in 24-bit audio, sample values range from -8288608 to 8288607.

In analog-to-digital conversion and compression, differences between the actual analog

value and the quantized digital value is called "quantization error". This error is due either

to rounding or truncation and can give rise to "quantization noise" which may be reduced by

using "dithering" techniques.

Dithering

Glossary contents

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Steinberg WaveLab Elements 7 Manual Pagina 422