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EnglandMusic TechnologyQuick questions
Sequencing and synthesis
Quick questions on Subtractive synthesis: oscillator, filter, envelope and LFO - Edexcel A-Level Music Technology
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is the voltage-controlled signal path?Show answer
The names come from analogue synths where each stage was controlled by a voltage, but the same structure underlies software (virtual analogue) synths.
What is q1?Show answer
Why does subtractive synthesis start from a harmonically rich waveform? [2 marks]
What is q2?Show answer
State what each letter of ADSR stands for, noting which is a level. [2 marks]
What is q3?Show answer
What does the filter cutoff control in a subtractive synth? [1 mark]
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