Here are the common deviations from the IPA in use in North America:
| Variant | IPA | Description |
| y | j | high front glide |
| ü | y | high front rounded vowel |
| š | ʃ | voiceless palatal fricative |
| ž | ʒ | voiced palatal fricative |
| č | tʃ | voiceless palatal affricate |
| ǰ | dʒ | voiced palatal affricate |
| j | dʒ | voiced palatal affricate |
| ñ | ɲ | palatal nasal |
| ö | œ | mid front rounded vowel |
A program that will translate a UTF-8 Unicode file containing non-standard phonetic notation into standard IPA can be downloaded here.