'Dream of the Red Chamber' is a classical Chinese novel that is generally considered one of the greatest works in the history of Chinese literature. It was published in 1877 by the Qing Dynasty. Since 'Dream of the Red Chamber' was a literary work, there were many different audio versions. On some online platforms, you can listen to the audio version of 'Dream of the Red Chamber' for free. For example, you can search for the audio book of Dream of the Red Chamber on platforms such as Himalaya, Dragonfly, and Lychee, or use online audio platforms such as Spotify, Apple Music, and Google Play Music to listen to the audio novel. In addition to the free audio version, you can also find professional audio versions on some paid audio platforms. These versions are usually dubbed by professional voice actors to produce better effects. However, these paid versions usually require a certain fee. The specific fee varies from platform to platform.