audio_to_spectrum.py

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#!/usr/bin/env python
 
import rospy
 
from audio_to_spectrogram import AudioBuffer
from audio_to_spectrogram import DataToSpectrum
 
# This node execute FFT to audio (audio_common_msgs/AudioData)
# The format of audio topic is assumed to be wave.
 
class AudioToSpectrum(DataToSpectrum):
 
    def __init__(self):
        super(AudioToSpectrum, self).__init__(
            data_buffer=AudioBuffer.from_rosparam(auto_start=True),
        )
 
 
if __name__ == '__main__':
    rospy.init_node('audio_to_spectrum')
    AudioToSpectrum()
    rospy.spin()