horizontal spectrogram subdivision of a wav file

hi my friends, i want to horizontally cut a wav spectrogram into 24 pieces, after measuring the power of each piece and finally classify the pieces by order of power what should i do please

Answer 1

[yanqi liu]

yes，sir，may be use voicebox to split the audio，such as

https://github.com/7yen/voicebox/blob/master/enframe.m