SACs are those genes with expression up-regulated during leaf senescence. Class I SACs are expressed only during senescence (senescence-specific). Class II SAGs have a basal level of expression during early leaf development, but this level increases during senescence.
Which Sample Rate to use. 44.1 kHz. 44.1 kHz (44100 Hz) is the sampling rate of audio CDs giving a 20 kHz maximum frequency. 20 kHz is the highest frequency generally audible by humans, so making 44.1 kHz the logical choice for most audio material.
Cakewalk recommends the following minimum system specs for Music Creator 6, our beginner level recording software. This will give you an idea if your current computer can stand up to the basic requirements for computer recording. 1  Windows XP (32-bit), Windows Vista (32 or 64-bit), or Windows 7 (32 or 64-bit).