package b1;

/* JADX INFO: renamed from: b1.a, reason: case insensitive filesystem */
/* JADX INFO: loaded from: classes.dex */
public abstract class AbstractC0401a {

    /* JADX INFO: renamed from: a, reason: collision with root package name */
    private static final double f3110a = 20.0d / Math.log(10.0d);

    /* JADX INFO: renamed from: b, reason: collision with root package name */
    private static double f3111b = 440.0d;

    public static double a(double d2) {
        return ((Math.log(d2 / f3111b) * 12.0d) / Math.log(2.0d)) + 69.0d;
    }

    public static double b(double d2) {
        return f3111b * Math.pow(2.0d, (d2 - 69.0d) * 0.08333333333333333d);
    }
}