Lingthusiasm - A Podcast That's Enthusiastic About Linguistics

64: Making speech visible with spectrograms

Informações:

Sinopsis

If you hear someone saying /sss/ and /fff/, it’s hard to hear those as anything other than, well, S and F. This is very convenient for understanding language, but it’s less convenient for analyzing it -- if you’re trying to figure out exactly what makes two s-like sounds different, it would be helpful if you could kinda sorta turn the language processing part of your brain off for a sec and just process them as sounds. In this episode, your hosts Lauren Gawne and Gretchen McCulloch get enthusiastic about linguistic visualizations that let us examine sounds in more detail. One kind of visual is a wave form (which is found in many podcast apps!) and consists of longer lines for louder parts and shorter lines for quieter parts. Another kind of visual is a spectrogram, which shows a massive range of possible pitches and shades in which pitches have stuff going on during them at each time, sort of like a giant musical staff with thousands of potential notes. Spectrograms are especially popular in linguistics (th