function ATH() {
	    /**
	     * Method for the auto adjustment.
	     */
	    this.useAdjust = 0;
	    /**
	     * factor for tuning the (sample power) point below which adaptive threshold
	     * of hearing adjustment occurs
	     */
	    this.aaSensitivityP = 0.;
	    /**
	     * Lowering based on peak volume, 1 = no lowering.
	     */
	    this.adjust = 0.;
	    /**
	     * Limit for dynamic ATH adjust.
	     */
	    this.adjustLimit = 0.;
	    /**
	     * Determined to lower x dB each second.
	     */
	    this.decay = 0.;
	    /**
	     * Lowest ATH value.
	     */
	    this.floor = 0.;
	    /**
	     * ATH for sfbs in long blocks.
	     */
	    this.l = new_float(Encoder.SBMAX_l);
	    /**
	     * ATH for sfbs in short blocks.
	     */
	    this.s = new_float(Encoder.SBMAX_s);
	    /**
	     * ATH for partitioned sfb21 in long blocks.
	     */
	    this.psfb21 = new_float(Encoder.PSFB21);
	    /**
	     * ATH for partitioned sfb12 in short blocks.
	     */
	    this.psfb12 = new_float(Encoder.PSFB12);
	    /**
	     * ATH for long block convolution bands.
	     */
	    this.cb_l = new_float(Encoder.CBANDS);
	    /**
	     * ATH for short block convolution bands.
	     */
	    this.cb_s = new_float(Encoder.CBANDS);
	    /**
	     * Equal loudness weights (based on ATH).
	     */
	    this.eql_w = new_float(Encoder.BLKSIZE / 2);
	}
ATH related stuff, if something new ATH related has to be added, please plug
it here into the ATH.