5.5. Audible and Visual Information Systems

Try these first

1. 1.

   What should the minimum volume level for audible announcements be compared to ambient noise?

   Hint

   Consider how loud announcements should be to ensure they can be heard.

2. 2.

   What is the purpose of high-contrast colors in visual displays?

   Hint

   Think about how colors interact on a display.

3. 3.

   What is the minimum volume level that audible announcements should be set?

   • 60 dB
   • 70 dB
   • 10 dB above ambient noise

   Hint

   Think about what 'above ambient' means.

4. 4.

   Are visual displays required to provide real-time information?

   • True
   • False

   Hint

   Think about accuracy and timing in informing passengers.

5. 5.

   You are tasked with designing a new bus stop. What key features would you insist on for the audible and visual information systems? Explain your reasoning.

   Hint

   Think about the different users and their needs for information.

6. 6.

   Consider a scenario where the audio announcements are significantly louder than intended, causing distress to passengers. What steps would you take to resolve this issue while ensuring accessibility?

   Hint

   Contemplate both the technical solution and user experience.