At first glance, specifying and designing a Peak Program Meter for digital audio seems an easy task, especially for someone who is familiar with the design of analog PPMs. However, a whole new set of problems soon arise. Should a new scale or a numeric display, unfamiliar to the user, be introduced? What does oversampling and digital filtering have to do with Peak Level Monitoring of digital audio? What is the nominal level (or Permitted Maximum Level) in digital audio?
Click to purchase paper as a non-member or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!
This paper costs $33 for non-members and is free for AES members and E-Library subscribers.