

Say 'speech sounds', then. Because natural sounds are not defined as such, apparently.

i changed it to 'speech sounds'

It would be better to define "phones."
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License: CC BY 2.0 FRLogs
This sentence was initially added as a translation of sentence #3020714
added by Guybrush88, October 14, 2014
linked by Guybrush88, October 14, 2014
edited by Guybrush88, October 14, 2014