An apparatus comprising means configured for: receiving a first audio signal representative of a virtual sound scene, wherein the first audio signal is configured for rendering on an arrangement of loudspeakers such that, when rendered on the arrangement of loudspeakers, the virtual sound scene is rendered to a user, and wherein the virtual sound scene comprises a first virtual sound object (601a 1) having a first virtual position; determining a first portion of the virtual sound scene to be rendered on headphones of the user, wherein said determining the first portion of the virtual sound scene to be rendered on the headphones comprises determining that the first virtual sound object is to be stereo widened, wherein the determined first portion comprises the first virtual sound object; generating a second audio signal representative of the first portion of the virtual sound scene, wherein the second audio signal is configured for rendering on the headphones, wherein the generation of the second audio signal comprises adjusting the virtual position of the first virtual sound object of the first portion of the virtual sound scene such that, when the second audio signal is rendered on the headphones, the first virtual sound object is rendered to the user at a second virtual position different to the first virtual position such that the first virtual sound object is stereo widened; determining a second portion of the virtual sound scene to be rendered on the arrangement of loudspeakers; generating a third audio signal, representative of the second portion of the virtual sound scene, wherein the third audio signal is configured for rendering on the arrangement of loudspeakers; and wherein the second and third audio signals are generated such that, when rendered on the headphones and the arrangement of loudspeakers respectively, a stereo widened version of the virtual sound scene is rendered to the user. receiving a first audio signal representative of a virtual sound scene, wherein the first audio signal is configured for rendering on an arrangement of loudspeakers such that, when rendered on the arrangement of loudspeakers, the virtual sound scene is rendered to a user, and wherein the virtual sound scene comprises a first virtual sound object (601a 1) having a first virtual position; determining a first portion of the virtual sound scene to be rendered on headphones of the user, wherein said determining the first portion of the virtual sound scene to be rendered on the headphones comprises determining that the first virtual sound object is to be stereo widened, wherein the determined first portion comprises the first virtual sound object; generating a second audio signal representative of the first portion of the virtual sound scene, wherein the second audio signal is configured for rendering on the headphones, wherein the generation of the second audio signal comprises adjusting the virtual position of the first virtual sound object of the first portion of the virtual sound scene such that, when the second audio signal is rendered on the headphones, the first virtual sound object is rendered to the user at a second virtual position different to the first virtual position such that the first virtual sound object is stereo widened; determining a second portion of the virtual sound scene to be rendered on the arrangement of loudspeakers; generating a third audio signal, representative of the second portion of the virtual sound scene, wherein the third audio signal is configured for rendering on the arrangement of loudspeakers; and wherein the second and third audio signals are generated such that, when rendered on the headphones and the arrangement of loudspeakers respectively, a stereo widened version of the virtual sound scene is rendered to the user.