The term phonocentrism, identified by the French philosopher Jacques Derrica, is generally defined as the superiority of speech language over written language.
Phonocentrism: "the historical assumption that speech is the most fully human form of language." -- Bauman, 2004.
For your interest or research on
phonocentrism deconstruction, here is a few suggested readings and research resources:
Bauman, H-Dirksen (2004). "Audism: Exploring the Metaphysics of Oppression". Journal of Deaf Studies and Deaf Education. Oxford University Press. Vol 9, No 9.
Bauman, H-Dirksen (2008). "Listening to Phonocentrism with Deaf Eyes: Derrida's Mute Philosophy of (Sign) Language. Essays in Philosophy. Pacific University Library. Vol 9, Issue 1. http://commons.pacificu.edu/cgi/viewcontent.cgi?article=1288&context=eip
Lapiak, Jolanta (2007). "
and/or". MFA thesis and exhibition, NSCAD University.
Lapiak, Jolanta (2009). "in the eye of
phonocentrism" video documentation.
"Deconstructing Phonocentrism: A New Genre in Deaf Arts" (2016, pp 181-197) by Paula Bath in Mobilizing Metaphor: Art, Culture, and Disability Activism in Canada edited by Christine Kelly and Michael Orsini.
"Introducing Derrida" by Jeff Collins and Bill Mayblin. 1996. (graphic novel)
"Deconstruction for Beginners" by Jim Powell. 2005. (graphic novel)
"Downcast Eyes: The Denigration of Vision in 20th Century French Thought" by Martin Jay. 1993.
"How to Read Derrida" by Penelope Deutscher. 2005.
"Regard sur..." Culture Outaouais.
Horreaux, Edwige. http://www.crco.org/regard_sur.php?task=view&id=58
"Gesture and the Nature of Language" by David Armstrong, William Stokoe, and Sherman Wilcox. 1995.
"Language, Cognition, and the Brain: insights from sign language research" by Karen Emmorey. 2002.
"Understanding Comics: the invisible art" by Scott McCloud. 1993.
"Reinventing Comics" by Scott McCloud. 2000.
"A Primer of Visual Literacy" by Donis A. Dondis.
"The Sound of Painting: Music in Modern Art" by Karin v. Maur. 1999.
"Paul Klee: Painting Music" by Hajo Duechting. 2004.
You may also be interested in Logocentrism.
audism: a discrimination based on hearing status.
linguicism: a discrimination based on language.