AVAudioSession.RenderingMode.surround A mode that represents general multi-channel audio. Declarationcase surround See AlsoGetting the rendering modesAVAudioSession.RenderingMode.monoStereoAVAudioSession.RenderingMode.spatialAudioAVAudioSession.RenderingMode.dolbyAudioAVAudioSession.RenderingMode.dolbyAtmosAVAudioSession.RenderingMode.notApplicable