Digitised Sound

This lesson I played some live radiohead (whose latest album was free to download) to try and get you thinking about capturing sound for digital use. For Higher Computing you need to be able to describe (in a 3 mark way) how sound is captured (microphone), changes into voltage, and is then digitised (by the ADC). You also need to have a good understanding of the terms sampling depth (how many bits are used to measure the analogue signal) and sampling frequency (how often the analogue signal is measured per second).



Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

%d bloggers like this: