Modern Control Systems Final Exam
Latest Updated Graded A+
B58 wiring - ANSWER-Patch Bays - Called DBX PB 48, only handles audio, used to get
audio to and from ultra lite, to and from system 1m and to and from prophet
Computer Mac studio -
Microexpress - connected to prophet using 5 pin din
Binary base and prefix - ANSWER-Base 2
Prefix 0b
Eg 0b10 (3) 0b100 (5)
Buffer Size - ANSWER-the amount of audio data and samples that your computer grabs
and processes at one time before it spits it back out for monitoring or recording. Larger
buffer size is more latency, smaller is less. Work at a low buffer size for recording to
avoid latency, work at a higher buffer size for mixing so the computer has additional
time to process things.
Channel Voice Message: Channel Pressure - ANSWER-S - Message Type and What
channel
( Maybe D1 - Note Number)
D2 Pressure amount (0-127)
- Amount of overall, average, pressure on all of the keys held down at a given point.
Can change well keys are being held down.
Channel Voice Message: Control Change - ANSWER-S - Message Type and What
channel
D1 - Controller number (0-127)
D2 - Control Value (0-127)
- They convey positional information relating to performance controls such as wheels,
sliders, pedals, switches and other control oriented device
Three types of MIDI control change messages:
- Continuous controllers
- Switch Controllers
- Channel mode message controllers
Channel Voice Message: Note Off - ANSWER-S - Message Type and What channel
D1 - Note number (0-127)
D2 - Release velocity value (how quickly a note should be released (0-127)
- Stop playing a MIDI note
, - Turns off a note on message
- Initiates release stage
Channel Voice Message: Note On - ANSWER-S - Message Type and What channel
D1 - Note number (0-127)
D2 - Velocity (0-127)
- generated when a key is pressed
Channel Voice Message: Pitch Bend - ANSWER-S - Message Type and What channel
D1 (LSB in this case) - bits 0-6 are bits 0-6 of the 14 bit pitch value
D2 (MSB in this case) - bits 0-6 are bits 7-13 of the 14 bit pitch value
- Used to set the pitch wheel value, which when slid up increases pitch, and when slid
down decreases pitch.
Data range of two data bytes is 2^14 which is 16,384
- Applied to all voices, and to every note in the channel
- More data point because are ears are so sensitive to pitch that values 0-127 is not
granular enough
Channel Voice Message: Polyphonic Key Pressure - ANSWER-S - Message Type and
What channel
D1 - Note that it is being applied to
D2 - Pressure amount (0-127)
- Like channel pressure except different pressure amounts can be applied to different
keys. Can change well keys are being held down.
Channel Voice Message: Program Change - ANSWER-S - Message Type and What
channel
D1 - Program number to change to (Program ID)
- Causes a MIDI device to change to a different program (aka patch, aka preset)
Data Byte - ANSWER-one of two types of bytes in the MIDI protocol. Data bytes have
numerical values ranging from 0 to 127 and specify additional information about what is
to be done and often come in pairs.
MSB is always 0
Always follows a status byte
Either 1 or 2 data bytes in MIDI message
Data Byte Numeric system math - ANSWER-Hex to Decimal
Multiply first digit by 16^1 and multiply second digit by 16^0 and then add them together
Decimal base and prefix - ANSWER-Base 10
No prefix
Latest Updated Graded A+
B58 wiring - ANSWER-Patch Bays - Called DBX PB 48, only handles audio, used to get
audio to and from ultra lite, to and from system 1m and to and from prophet
Computer Mac studio -
Microexpress - connected to prophet using 5 pin din
Binary base and prefix - ANSWER-Base 2
Prefix 0b
Eg 0b10 (3) 0b100 (5)
Buffer Size - ANSWER-the amount of audio data and samples that your computer grabs
and processes at one time before it spits it back out for monitoring or recording. Larger
buffer size is more latency, smaller is less. Work at a low buffer size for recording to
avoid latency, work at a higher buffer size for mixing so the computer has additional
time to process things.
Channel Voice Message: Channel Pressure - ANSWER-S - Message Type and What
channel
( Maybe D1 - Note Number)
D2 Pressure amount (0-127)
- Amount of overall, average, pressure on all of the keys held down at a given point.
Can change well keys are being held down.
Channel Voice Message: Control Change - ANSWER-S - Message Type and What
channel
D1 - Controller number (0-127)
D2 - Control Value (0-127)
- They convey positional information relating to performance controls such as wheels,
sliders, pedals, switches and other control oriented device
Three types of MIDI control change messages:
- Continuous controllers
- Switch Controllers
- Channel mode message controllers
Channel Voice Message: Note Off - ANSWER-S - Message Type and What channel
D1 - Note number (0-127)
D2 - Release velocity value (how quickly a note should be released (0-127)
- Stop playing a MIDI note
, - Turns off a note on message
- Initiates release stage
Channel Voice Message: Note On - ANSWER-S - Message Type and What channel
D1 - Note number (0-127)
D2 - Velocity (0-127)
- generated when a key is pressed
Channel Voice Message: Pitch Bend - ANSWER-S - Message Type and What channel
D1 (LSB in this case) - bits 0-6 are bits 0-6 of the 14 bit pitch value
D2 (MSB in this case) - bits 0-6 are bits 7-13 of the 14 bit pitch value
- Used to set the pitch wheel value, which when slid up increases pitch, and when slid
down decreases pitch.
Data range of two data bytes is 2^14 which is 16,384
- Applied to all voices, and to every note in the channel
- More data point because are ears are so sensitive to pitch that values 0-127 is not
granular enough
Channel Voice Message: Polyphonic Key Pressure - ANSWER-S - Message Type and
What channel
D1 - Note that it is being applied to
D2 - Pressure amount (0-127)
- Like channel pressure except different pressure amounts can be applied to different
keys. Can change well keys are being held down.
Channel Voice Message: Program Change - ANSWER-S - Message Type and What
channel
D1 - Program number to change to (Program ID)
- Causes a MIDI device to change to a different program (aka patch, aka preset)
Data Byte - ANSWER-one of two types of bytes in the MIDI protocol. Data bytes have
numerical values ranging from 0 to 127 and specify additional information about what is
to be done and often come in pairs.
MSB is always 0
Always follows a status byte
Either 1 or 2 data bytes in MIDI message
Data Byte Numeric system math - ANSWER-Hex to Decimal
Multiply first digit by 16^1 and multiply second digit by 16^0 and then add them together
Decimal base and prefix - ANSWER-Base 10
No prefix
