Lips WRT Consonants, Was Re: my iconic alphabet

Emaelivpeith Christophe Grandsire:
>- the affricates "ch" and "j" and the fricatives "sh" and "zh" are *not*
>palatal. They are postalveolar. Palatal is the position of for instance the
>German fricative "ch" in "ich". It's quite different in sound from the
>English "sh".
When you compared the two sounds, my mouth felt compelled to say them
aloud, as often happens when I read this mailing list.  :)  While listening
to the difference, I noticed my lips are different too.  In German <ch>
/C/, my mouth is slightly open and my lips are pretty lax.  In contrast,
English <sh> /S/ makes my lips form almost the same position as for /u/,
only slightly less tense.

Is this true for others, or is it a personal eccentricity?  If it's more
general, is there some what to IPAify to lip position for a consonant?


--
AA

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