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What Is A MIDI Notes in Scratch?

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MIDI Notes in Scratch

MIDI notes in Scratch stands for Musial Instrument Digital Interfaces are musical notes that can be played on a computer or electronic device. They are written in the form of numbers and can be used to create melodies, rhythms, and sound effects. MIDI notes are represented by numbers.

The “play note ( ) for ( ) beats” block used the MIDI Note System. The note played by the “play note ( ) for ( ) beats” block with the pitch represented by the input given to this block as per the MIDI Note System and can be used to play the sequence of MIDI notes. By default, this block the notes of a piano, and the numbers of notes and beats are set to 60 and 0.25, respectively. When this block is selected and run, a graphic keyboard will appear on the screen.

In MIDI Note System, each note is selected either by using selecting or typing numbers or pressing the key on the virtual keyboard. The user can either select or type the number or press the key on the virtual keyboard to play a particular note.

As per the MIDI Note System, middle C is represented by 60. Adding or subtracting 1 from any number representing a key means moving one semitone higher or lower, respectively. Adding or subtracting 12 from any number representing a key means changing the particular note by one octave. In MIDI Note System, the higher the number, the higher the pitch of the note.


This is Chapter 5.10 in the
Advanced Scratch Tutorial


Notes

There are a total of 131 notes available in Scratch, numbered from 0 to 130. Each note is 1 number larger than the previous note. Some of the notes with their note number and frequency are given below:

NoteNote NumberFrequency
C348131 Hz
C#349139 Hz
D350147 Hz
D#31156 Hz
E352165 Hz
F353175 Hz
F#354185 Hz
G355196 Hz
G#356208 Hz
A357220 Hz
A#358233 Hz
B359247 Hz
C4 (middle C)60262 Hz
C#461277 Hz
D462294 Hz
D#463311 Hz
E464330 Hz
F465349 Hz
F#466370 Hz
G467392 Hz
G#468415 Hz
A469440 Hz
A#470466 Hz
B471494 Hz
C572523 Hz

Beats

Similar to notes beats also have specific numbering on them to differentiate between different beats. The below image shows the numbering of the most common rhythms and beats in Scratch.

beats in Scratch

Uses of MIDI notes in Scratch

There are plenty of uses for MIDI Notes in Scratch, such as

  1. It helps the users in getting familiar with music blocks.
  2. It helps the users to create melodies and rhythms in your Scratch projects.

Frequently asked questions (FAQs)

What is a MIDI in Scratch?
In Scratch, MIDI stands for Musial Instrument Digital Interface are musical notes that can be played on a computer or electronic device.

How does MIDI notes are represented in Scratch?
In Scratch, the MIDI notes are represented using numbers.

What is the use of MIDI Notes in Scratch?
In Scratch, the MIDI Notes help the users in getting familiar with music blocks and to create melodies and rhythms in their Scratch projects.

How many total notes are available in Scratch?
In Scratch, there are a total of 131 notes available numbered from 0 to 130.

How does the semitone of a note get affected in Scratch?
Adding or subtracting 1 from any number representing a key affects the semitone of a note by one higher or lower, respectively.

We hope you understand what MIDI Notes in Scratch is and its uses. If you have any doubts, you can ask your doubts in the comment section.

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