Search Results "Earphone"

• Federal Documents > Preamble to Guidelines > 36 CFR Parts 1190 and 1191 ADA and ABA Accessibility Guidelines - Preamble (Discussion of Comments and Changes)
  Receivers

  The criteria recommended by this research include: a signal-to-noise ratio of at least 18 decibels measured at the earphones the capability of receivers to deliver a signal...

• Research and History > Research Documents > Large Area Assistive Listening Systems: Review and Recommendations
  1. INTRODUCTION

  Over 90 years ago, some Churches in Denmark were using wired systems that led from a microphone on the pulpit to earphones located at designated seats within the sanctuary....

• Federal Documents > Preamble to Guidelines > 36 CFR Parts 1190 and 1191 ADA and ABA Accessibility Guidelines - Preamble (Discussion of Comments and Changes)
  Speech Output

  Industry commenters pointed out that interruption of speech output is critical because such output, even when not accessed through a handset or earphones, is continuously running and will...