SpeakEasies were nightclubs during prohibition (the 20's), infamous for music, booze, and reefer.
Unfortunately, this speakEasy is just a computer program to record, and play back
The top panel is the spectrogram, the bottom panel shows the wave form. These
panels are interesting to watch when the sound is being recorded, since the
displays are dynamic, ie. continuously updated.
Apart from the standard features, it also features an echo effect,
which can be toggled on and off. The echo effect
is accomplished by use of the
class and is set at 1/10 of second, to give the effect of being in an empty
room. Sound manipulations are handled by the methods of the
Sound class. The sound being displayed above
is "beetbatbootbird.wav", which consists of "beet", "bat", "boot", and
"bird". Note in waveform,
at the end of each of the first three words there is a short silence
and then a spike at the end. That is the "t" sound being uttered.
Note, that for the last word, the spike is different. This is
because a "d" sound rather that the "t" sound is
The image below is "123.wav" which consists of 1, 2, 3 spoken in English, Chinese and German.
In the second image there is a blue horizontal strip going across the spectogram (the first panel).
That strip is due to noise from my linux box (which has several fans).
- open (load file)
- show devices
- show sound properties info
- toggle echo on/off