Analogue Signal Representation

What does the diagram represent about analogue signals?

• A) Represented as discrete voltage

• B) Represented as continuous voltage

• C) Represented as digital pulses

• D) Represented as binary numbers

What does 'Digital' mean as described in the image?

• A) Represented as a continuous stream of values

• B) Represented as a stream of discrete numbers (on/off messages)

• C) Represented as a color spectrum

• D) Represented as a random pattern

No matter which recording process used, analogue or digital, both are created by a microphone turning air pressure (sound) into an electrical _______ signal. Fill in the blank.

• analogue

• magnetic

• optical

• thermal

Digital recordings take the analogue signal and convert it into a digital representation of the sound, which is essentially a series of _______ for digital software to interpret. Fill in the blank.

• numbers

• letters

• colors

• shapes

After the analogue signal is digitalized, the recording can be copied and placed onto which of the following?

• Compact disc

• Hard drive

• Streamed online

• All of the above

Fill in the blank: One advantage of an analogue recording system is the absence of _______ distortion and quantization noise.

• aliasing

• harmonic

• phase

• amplitude

Fill in the blank: One advantage of an analogue recording system is the wide _______ range.

• dynamic

• frequency

• temperature

• color

Fill in the blank: One advantage of an analogue recording system is better performance in _______ conditions.

• overload

• dry

• cold

• silent

Fill in the blank: One advantage of a digital recording system is _________.

• Better audio recording quality

• Increased tape wear

• More background noise

• Limited editing capabilities

Fill in the blank: Another advantage of a digital recording system is easier integration to ________ and software applications.

• personal computers

• television sets

• kitchen appliances

• musical instruments