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Description

In signal processing, sampling is the reduction of a continuous-time signal to a discrete-time signal. A common example is the conversion of a sound wave to a sequence of "samples". A sample is a value of the signal at a point in time and/or space; this definition differs from the term's usage in statistics, which refers to a set of such values.

A sampler is a subsystem or operation that extracts samples from a continuous signal. A theoretical ideal sampler produces samples equivalent to the instantaneous value of the continuous signal at the desired points.

The original signal can be reconstructed from a sequence of samples, up to the Nyquist limit, by passing the sequence of samples through a type of low-pass filter called a reconstruction filter.

16 bit? 24 bit?

anonymous 6 November 2005

when is it best to record in which bit depth? i understand that the bit depth is is relative to loudness in dB's (each bit = 3 dB i think?), but still don't quite grasp when to record in which. i'd assum 24 bit, then dither down to 16 bit to go to CD in the mastering process, but i am not sure if this is correct. any help, links, suggestions would be great! thanks

Dither: Still needed with 24-bit recording?

anonymous 6 November 2005

I have been reading a lot of articles explaining dither (because I didn't understand what that setting did in my sequencer program) and I now have a good understand about what dither is but none of the articles have cleared this up?

When recording at 24-bit does dither need to be used if the dynamic range is small and the peak levels around -6Bd?

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