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#!/usr/bin/env bash
# spectrogram.sh
#
# Render a spectrogram from a wave file.
PATH=${PATH}:${HOME}/codec2/build_linux/src
CODEC2=${HOME}/codec2
fullfile=$1
filename=$(basename -- "$fullfile")
extension="${filename##*.}"
filename="${filename%.*}"
echo "pkg load signal; warning('off', 'all'); \
s=load_raw('${fullfile}'); \
plot_specgram(s, 8000, 500, 2500); print('${filename}.jpg', '-djpg'); \
quit" | octave-cli -p ${CODEC2}/octave -qf > /dev/null
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