DJ Quiz #2
Card Set Information
DJ Quiz #2
DJ Alverson Quiz MIDI
USB stands for:
Universal Serial Bus
Maximum number of external devices in USB
Maximum number of external devices in Firewire
What kind of connector is at either end of an old MIDI cable and what is its gender?
5 Pin DIN & Male
Max MIDI cable length
Max USB cable length
Max Firewire 400 cable length
Max Firewire 800 cable length
100 meters (about the size of a football field)
Max Thunderbolt length
MIDI spec 1.0, how many pins used?
List of System Messages:
Song Position Pointer
End Of Exclusive
500 milliamps at what voltage for USB?
5 volts DC or .5 amps
How many ticks per modern time clock message?
Also, in MIDI, there are 960 ticks per quarter note a.k.a. 960 ppq (pulses per quarter)
On the MIDI connector, pin 2 is used for what?
Shield to ground
What's the shield?
-It is connected to the shield ground and there's usually a drain wire that runs down a balanced, shielded cable.
-Protective coating around the rubber covered connectors - the metal shield that protects the insulating conductors from invasions from electromagnetic interference.
What is a USB hub?
Traffic cop. Works in bursts - it has to wait for its own outgoing to catch up with the incoming info.
Keyboard controllers have how many keys?
Features of a keyboard controller:
Pitch bend & modulation
Mixing and transport capabilities for controlling DAW programs using the faders and buttons
Drum sample trigger pads
Craig Anderton proposed what for MIDI in 1989?
MIDI Phantom Power
MIDI Thru Jack does what?
Sends out a duplicate of what's coming in on the in jack.
Any new info that's added there will not appear.
It's for daisy chaining.
USB 3.1 gives us how much throughput?
Thuderbolt gives us how much throughput?
10 Gbps on two channels and is only 3 years old!
Firewire protocol - when and by whom?
Presented by Apple in the mid-1990s. Developed by Intel.
MIDI Port and MIDI Jack difference?
MIDI Jack = physical connection on the back of the device
MIDI Port = virtual
Multiple port situation that occurs in this extended building?
Both SSL boards do their HUI work via MIDI.
What is USB Protocol?
Class compliant and can recognize & manage 127 external devices.
How fast is:
USB 1.0, 1.0 (2nd version), 2.0, 3.0, & 3.1
1.0 = 1.5 Mbps
1.0 (2nd version) = 12 Mbps
2.0 = 480 Mbps
3.0 = 5 Gbps
3.1 = 10 Gbps
How fast is:
Thunderbolt 1.0 & 2.0
1.0 = 10 Gbps on two channels
2.0 = 20 Gbps