What does the word 'synthesis' mean?

• Sound creation from individual elements

• A type of musical instrument

• A historical event

• A music genre

Who was the creator of the first electric musical instrument Denis d'or?

• Vaclav Prokop Diviš

• William Duddell

• Elisha Grey

• Alexander Graham Bell

What was the purpose of the Singing Arc?

• To reduce noise in street lighting

• To create new musical sounds

• To improve telegraph communication

• To invent a new type of instrument

What did Elisha Grey invent?

• Electro-Harmonic-Telegraph

• Singing Arc

• Denis d'or

• Electric guitar

What was the significance of the concert organized by Elisha Grey?

• It demonstrated the Electro-Harmonic-Telegraph

• It was the first public performance with electricity

• It introduced a new musical genre

• It showcased the Singing Arc

What was the significant discovery of the early 20th century related to Telharmonium?

• It was patented by Thaddeus Cahill.

• It was a small instrument.

• It had a limited range.

• It was not influential.

What was the weight of the Telharmonium?

• 200 tons

• 100 tons

• 50 tons

• 300 tons

Who discovered the thermoelectric effect of vacuum tubes?

• Thomas Edison

• Frederick Guthrie

• Lee de Forest

• Thaddeus Cahill

What was the role of the vacuum tube in sound synthesis?

• It was crucial for sound generation.

• It had no impact.

• It was only used in radios.

• It was a minor component.

What was the invention of Lev Termen?

• Theremin

• Synthesizer

• Oscillator

• Vacuum tube