## spectrum_n_lpc.png

The image is a graph that represents sound pressure level (SPL) over frequency for the phoneme /n/ from the word "bean." The x-axis of the graph is labeled as Frequency (Hz), indicating it measures the frequency in Hertz, which are units used to measure how many cycles per second something vibrates. The y-axis is labeled Sound pressure level (dB Hz), showing the sound pressure level in decibels per hertz.

The graph displays multiple lines representing different data points or models of the sound wave for /n/. There's a prominent red dashed line that appears to be a model derived from LPC (Line Spectral Pair) analysis with 12 coefficients. This is indicated by the text at the bottom right corner, which reads: "/n/ from 'bean' (FFT + LPC (12 coefficients) in dashed red)."

The graph shows fluctuations across different frequencies, indicating variations in sound pressure level as frequency changes. The SPL values range from approximately 0 dB Hz to over 60 dB Hz.

There are no people or characters depicted in the image; it is purely a scientific representation of audio data.

This description was generated automatically from image files by a local LLM, and thus, may not be fully accurate. Please feel free to ask questions if you have further questions about the nature of the image or its meaning within the presentation.