Sine-Wave Speech

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Sine-wave speech is a form of artificially degraded speech first developed at Haskins Laboratory. Several seminal experiments on the perception of sine-wave speech are described here:
Remez, R.E., Rubin, P.E., Pisoni, D.B., Carrell, T.D. (1981) Speech perception without traditional speech cues. Science, 212, 947-9. PubMed

In this work, Remez and colleagues demonstrated a dramatic change in the way in which sine-wave speech sentences are perceived, depending on listener's specific prior knowledge. For instance, listen to this WAVE FILE 1

​	WAVE FILE 1 - Listen to this first

​	WAVE FILE 2 - Listen to this second

After you have heard WAVE FILE 2; listening to WAVE FILE 1 will no longer be incomprehensible.





Brain Science Cognition - Sine-Wave Speech
The article on this brain science cognition study can be found here; including a few more examples.

http://www.mrc-cbu.cam.ac.uk/personal/matt.davis/sine-wave-speech/

Sine-wave Speech Analysis/Synthesis in Matlab
You can also download code from MATLAB to synthesise your own sIne-waves:

Sinewave Speech Analysis/Synthesis in Matlab

 

[Solarion]

What sorcery is this

 

[mister]

After you have heard WAVE FILE 2; listening to WAVE FILE 1 will no longer be incomprehensible.

That's really interesting! I listened to Wave1 twice, and on the second run I could make out 50% of it, and on the 3rd run I heard the rest. Did not need Wave2.

 

[mister]

After 3 runs I could also hear the rest of the examples at http://www.mrc-cbu.cam.ac.uk/personal/matt.davis/sine-wave-speech/ except for the first word of number 1.