Analog and Digital

The Music Telegraph | Text 2018/11/28 [16:45]

Analog and Digital

The Music Telegraph| 입력 : 2018/11/28 [16:45]

 

▲ © Tech Differences



  

 

Analog and Digital

 

 

*MIDI  --> Musical Instrument 'Digital' Interface

 

 

There are ‘Analog’ and ‘Digital’ Instruments:

- Analog: Uses Transistor (IC), capacitor, diode

- Digital: Uses Computer chips (ram, cpu, etc)

 

 

Analog Instrument and equipments: mixer, speaker, Mic, synth, …

Digital Instrument and equipments: PCM synth, digital mixer, USB Mic, …

 

 

The main difference between Analog & Digital is in ‘signal’ (in Audio signal) 

Analog signal: True natural signal (electro-signal), continual signal 

© The Music Telegraph



 

 Digital signal:

- Using binary (0, 1) to assign on/off

- 3 ~ 4 thousands signal read per second

- Binary codes transfer information of musical notes such as velocity, keys, modulations, …  etc.

© The Music Telegraph


e.g. Digital wireless Mic: 

- Generate digitized signal, no noise

 

 

 

Interface:

- Audio Interface: Analog audio signal into digital codes

- MIDI Interface: Interconnecting devices to exchange midi data (binary code)

 

 

 

MIDI Interface

 



 

▲ © The Music Telegraph





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