2 examples: a, á
1 North Slavey, Deline - Phoneme: a [ɑ] - IPA: Low back vowel, L tone.
Word: tatsó [txɑtsʰõ] "crow" - Speaker: SP5
An example of the low back vowel a, low tone. Note the initial t [tx], with the strong velar frication in the release, and the compression of the closure portion of the affricate in the medial ts.
2 North Slavey, Deline - Phoneme: á [ɑ́] - IPA: Low back vowel, H tone.
Word: nádu [nɑ́tu] "rattlesnake" - Speaker: SP5
Note the d sound in intervocalic position, both its duration and its voicelessness, this is an unaspirated voiceless alveolar stop d [t], compare with b [p] and g [k]. These stops are voiceless and unaspirated in North Slavey.