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 sounds or had problems with their voice. The work formed the basis for the techniques Complete Vocal Institute currently uses and Cathrine Sadolin has continued the voice research together with physicians and acousticians. Cathrine Sadolin has been invited to speak in the voice conferences in Europe and USA since 1996. In 2007, she started to collaborate with consultant ENT Surgeon Julian McGlashan from Nottingham University Hospital. Their first joint research study was published in February 2007 on auditive research, where speech therapists had to determine which voice modes was used by listening to song samples. After that they cooperated to