ITU-R 468 noise weighting

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/itu-r-468-noise-weighting

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the standard designation?ITU-R BS.468-4 (formerly CCIR Recommendation 468-4)
2. What is the core components?A psychoacoustically derived weighting filter and a quasi-peak rectifier detector

Psychoacoustics: The study of how humans perceive sound and its psychological effects.
Quasi-Peak Detector: A signal processing element that responds to the peaks of a signal with specific attack and decay characteristics.
Weighting Curve: A frequency response curve used to adjust the measurement of a signal based on human perception.
Transient Noise: Short, sudden bursts of sound, such as clicks, pops, or crackles, which can be highly perceptible.