Gilderfluke&Co 8 Bit Digital Audio Systems - Manual (Page 16)

- 15 KHz Bandwidth (35,156 Hz UPDATE RATE) -
Eprom type: 27C512 27C010 27C020 27C040 27C080
Size: 64K x 8 128K x 8 256K x 8 512K x 8 1 M x 8
Number of bytes per Eprom: 65,536 131,072 262,144 524,288 1,048,576
1 Eprom (1 DR-50 MiniRepeater) 1.86 3.73 7.46 14.91 29.83
2 Eproms 3.73 7.46 14.91 29.83 59.65
3 Eproms 5.59 11.18 22.37 44.74 89.48
4 Eproms 7.46 14.91 29.83 59.65 119.30
5 Eproms 9.32 18.64 37.28 74.57 149.13
6 Eproms 11.18 22.37 44.74 89.48 178.96
7 Eproms 13.05 26.10 52.20 104.39 208.78
8 Eproms 14.91 29.83 59.65 119.30 238.61
9 Eproms 16.78 33.55 67.11 134.22 268.44
10 Eproms 18.64 37.28 74.57 149.13 298.26
11 Eproms 20.51 41.01 82.02 164.04 328.09
12 Eproms 22.37 44.74 89.48 178.96 357.91
13 Eproms 24.23 48.47 96.94 193.87 387.74
14 Eproms 26.10 52.20 104.39 208.78 417.57
15 Eproms 27.96 55.92 111.85 223.70 447.39
16 Eproms 29.83 59.65 119.30 238.61 477.22
Each Expansion: 32 Eproms 59.65 119.30 238.61 477.22 954.44
Repeater + 1 Expansion: 48 Eproms 89.48 178.96 357.91 715.83 1,431.66
Repeater + 2 Expansions: 80 Eproms 149.13 298.26 596.52 1,193.05 2,386.09
Repeater + 3 Expansions: 112 Eproms 208.78 417.57 835.13 1,670.27 3,340.53
Repeater + 4 Expansions: 144 Eproms 268.44 536.87 1,073.74 2,147.48 4,294.97
Repeater + 5 Expansions: 176 Eproms 328.09 656.18 1,312.35 2,624.70 5,249.40
Repeater + 6 Expansions: 208 Eproms 387.74 775.48 1,550.96 3,101.92 6,203.84
Repeater + 7 Expansions: 240 Eproms 447.39 894.78 1,789.57 3,579.14 7,158.28
The Digital Delay feature allows the AB-100 or AB-Clock to delay the start
time of any audio track. Delays can be anywhere from approximately
1/35th of a second to about 1/2 an hour from the time it is given a start
command. The delay will occur any time a start command is received after
a AB-100 or AB-Clock has received a reset command. In many applications
this allows a single start signal to be used for a number of the Digital Audio
Repeaters. The actual start of the spiels is then adjusted in the field as need-
ed. The 'DELAY' LED on the front of each AB-100 or AB-Clock shows when it is
in delay mode before starting its spiel.
When a AB-100 or AB-Clock is in looping mode, the delay will be inserted
between each iteration of the playback loop. In normal looping mode a
single spiel is played repeatedly. If the LOOP ALL option is on, then all the
spiels on the card will be played sequentially, with the delay inserted be-
tween each one.
Both the 'start' inputs and 'running status' output for the AB-100 or AB-
Clock are optically isolated from all other parts of the system. Connections
are made through four screw terminals. They can be configured to run ei-
ther from the isolated 'Dirty' power supply or from external power. Eight ad-
ditional inputs are available through the AUX PORT on each card. These are
used to select specific spiels from manual push buttons or switches. The AUX
PORT can be configured to select 'one of eight' with individual switch clo-
sures to each input or 'one of 255' with a binary spiel select to the inputs.
The AB-100 or AB-Clock checks both the rising (switch closure) and falling
(switch opening) edges of each input. This allows you to configure a AB-100
or AB-Clock to do one action on one edge of a switch opening or closing,
and then take a different action on the opposite edge. An example of this
feature would be if you told the AB-100 or AB-Clock to start on finding a clo-
sure on one of the inputs, and then stop when the same input is opened
again.
The two optically isolated inputs on an AB-100 and the push button on
the front of the case can be configured to:
1) MUTE AUDIO
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