Co-articulated consonant consonant such as is doubly or secondarily articulated. In some English dialects, for example, is a labialized velar that could be transcribed as , but the Japanese is closer to a true labial-velar, . It is common usage to restrict the letter to the former. The glottis controls phonation, and works simultaneously with many consonants. It is not normally considered an articulator, and an ejective such as , with simultaneous closure of the velum and glottis, is not normally considered to be a co-articulated consonant. Co-articulated consonant Co-articulated consonants or complex consonants are consonants produced with two simultaneous places of
Complete Vocal Institute to detect the various vocal modes. Currently (2012) Cathrine Sadolin and Julian McGlashan are researching the terminology used in describing singing and the use of the voice. Together with sound specialist Eddy B. Brixen (from DPA) and EBB-consult, there is ongoing research in making spectral analysis of the sound spectrum, the voice produces with the various modes. In addition to testing the techniques in a scientific way another goal is that an outsider will be able to identify the different voice modes on a purely objective basis, without prior knowledge of singing. Complete Vocal Institute Complete Vocal Institute (often abbreviated