@ -207,7 +207,7 @@ int init_visualizer(filter_sys_t *p_filter)
p_filter->data_size = 0;
p_filter->nb_samples = 0;
p_filter->out_samples = FFT_BUFFER_SIZE;
p_filter->output = (int16_t *) (malloc(p_filter->out_samples * sizeof(int16_t)));
p_filter->output = (int8_t *) (malloc(p_filter->out_samples * sizeof(int8_t)));
return 0;
}