  For positive semidefinite $n\times n$ matrices $A$ and $B$, the singular
value inequality $(2+t)s_{j}(A^{r}B^{2-r}+A^{2-r}B^{r})\leq
2s_{j}(A^{2}+tAB+B^{2})$ is shown to hold for $r=\frac{1}{2}, 1, \frac{3}{2}$
and all $-2<t\leq 2$.
