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Alesis Micron Owners Manual.pdf - Fdiskc

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13. Sample-and-Hold (S&H) settings<br />

The first three settings–TempoSync, Rate, and Reset–operate<br />

identically to the LFO settings listed above. Here are the<br />

additional S&H settings:<br />

Input<br />

The Input to the Sample & Hold determines the source of the<br />

S&H values. If the source is continuously active, like an LFO,<br />

there will be an endless supply of new values for the Sample &<br />

Hold to feed to its destination in the mod matrix. If the source is<br />

something more static like one of the wheels or pedals, the<br />

destination will receive new values from the Sample & Hold only<br />

after the value of the input is changed and another sample is taken.<br />

The inputs for the S&H generator are the same as the Modulation<br />

Matrix’s modulation sources (discussed later). See page 92 for a<br />

list of those inputs.<br />

Smoothing<br />

This parameter governs the abruptness of the shift from the value<br />

of one sample to the value of the next. A low smoothing value<br />

causes the sample values to change instantly from one value to the<br />

next when the new sample is taken. A high smoothing value<br />

causes the Sample & Hold to “slide” from one value to the next.<br />

6 Programs<br />

What does Sample & Hold<br />

mean?<br />

Sample & Hold is a term that<br />

originated in the early days of<br />

analog modular synthesizers.<br />

It describes the process by<br />

which a reading, or<br />

“Sample,” is taken at regular<br />

intervals of a particular input<br />

source, such as an LFO. That<br />

Sample becomes a value that<br />

is fed to a destination, such as<br />

filter frequency. The<br />

destination parameter is held<br />

at this value until the “Hold”<br />

period has expired, at which<br />

time another Sample of the<br />

input source is taken and fed<br />

to the destination, and so on.<br />

S&H Smoothing<br />

With Sample & Hold<br />

smoothing set to very high<br />

values, it is possible that very<br />

little or no change may be<br />

heard at the destination. If<br />

you’re not hearing the<br />

desired amount of S&H, try<br />

decreasing the smoothing<br />

value.<br />

89

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