Handbook for Sound Engineers

932 Chapter 25 25.15.13 Mixes to Outputs The virtual-earth mixing buses of the console all end up in identical mix-amp, attenuat ...

Consoles 933 some very odd things happening inside the channel signal routing. Similarly, a ground follow-through lockout arrang ...

934 Chapter 25 level by 6 dB or 10 dB helps matters tremendously, and the gain is made up either in the mix-amps or the post- fa ...

Consoles 935 operators as possible. Messing around with system head rooms does somewhat fall into the category of kludge, but as ...

936 Chapter 25 networking-think) the effect on the design of the console architecture is actually surprisingly minor, and the im ...

Consoles 937 either negligible or—better yet—an interesting effect on the behavior of the circuit in response to stimulation. Ef ...

938 Chapter 25 signal and of the control voltage (CV); all that appears at the output is the product of the applied signal and C ...

Consoles 939 tation to be more casual (and cheaper) with control stuff that should be avoided. A less-than-obvious concern sprin ...

940 Chapter 25 each of which is bused up and down the length of the console; each channel has the option of selecting one (or mo ...

Consoles 941 arrangement as in Fig. 25-111 emerges, which is our old friend the Superbal differential summing arrangement fed by ...

942 Chapter 25 zero-cross to occur. It can be zooming around setting up other MDACs in the meantime or attending to other microl ...

Consoles 943 Figure 25-112. Rider switch multiplexing. A 4502 B C D E F G H I Select 3 4011 All 10 k 7  BX (Tri state invert ...

944 Chapter 25 Figure 25-113. Rider pot multiplexing and address decoding. Figure 25-114. An A/D converter (as part of the syste ...

Consoles 945 than a single address acquisition by a typical imbedded microcontroller. A/D conversion can be done in a number of ...

946 Chapter 25 the parameters of the channel to their stored values). Eyeball comparison and human tweaking is the reset- ting m ...

Consoles 947 tion. Comparing its present position with one previously stored drives the servo to equalize the two—i.e., return t ...

948 Chapter 25 If the clock is triggered by the rising edge of the A train and the B train is active, then the latch output goes ...

Consoles 949 A wide and glittering variety of controls have evolved to suit this requirement, but they all basically have a row ...

950 Chapter 25 that matter) channels paged; this means that a switch can instantly throw a whole second (or more) batch of contr ...

Consoles 951 producer. It would even be possible to run the console entirely from the screen, with no regard or need for the har ...