Signal Processing Terminology

noun a device or piece of equipment used to remove impurities or unwanted elements from something

verb to pass (a liquid, gas, light, or sound) through a device to remove unwanted elements

• The laboratory uses a special filter to separate impurities from the liquid solution.
• I always make sure to use a filter when brewing my coffee to get rid of any grounds.
• I need to put on a filter before I post anything on social media.
• It's important to filter out negative thoughts and focus on the positive aspects of life.

noun a visual representation of the spectrum of frequencies of a signal as they vary with time

• The scientist analyzed the spectrogram to study the frequency components of the signal.
• I saw a cool spectrogram of the sound wave on my music app.
• Check out this sick spectrogram of the song - it looks so trippy!
• The spectrogram of her emotions revealed a complex mix of feelings.

verb to divide into a limited number of levels or categories, often for the purpose of measurement or analysis

• In digital signal processing, we often need to quantize the input data to a specific number of bits.
• When you quantize the image, it reduces the file size without losing too much quality.
• Dude, just quantize the audio file so it's not too big to email.
• She tends to quantize her emotions, never showing too much excitement or sadness.