noise

1

A 440 Hz sine wave with all types of 'a' removed

2

all of the various 'a' that were removed from #1

3

all 'a's replaced by 'A'

4

all 'a's removed from #3

5

all 'a's replaced with 'qN'

6

"Hello world!!" rendered as audio

7

"all work and no play makes jack a dull boy." rendered as audio

8

a Eb 311.1Hz sine wave converted to 8kbps mp3 90 times