11. Work by Gerry Philipsen has been influential in the development of speech codes theory. 12. Talk of speech codes has died down. 13. The Wisconsin student speech code had been struck down by a Federal court in 1991. 14. As colleges diversified, speech codes for students and faculty were seen as one buffer. 15. The two most important applications of speech coding are mobile telephony and Voice over IP. 16. This proposition states that within any given speech community, there are multiple speech codes . 17. 1 . " Speech Codes Theory does not account for manifestations of power in discourse. 18. She said she thought that universities should review their speech codes in light of the ruling. 19. Critics say the proposed speech code is Orwellian, an example of political correctness gone awry. 20. Many private universities have hate-speech codes that have been applied to campus computer networks. 