###### (This is the documentation for SDL3, which is the current stable version. [SDL2](https://wiki.libsdl.org/SDL2/) was the previous version!) # SDL_HINT_AUDIO_CATEGORY A variable controlling the audio category on iOS and macOS. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_hints.h) ## Syntax ```c #define SDL_HINT_AUDIO_CATEGORY "SDL_AUDIO_CATEGORY" ``` ## Remarks The variable can be set to the following values: - "ambient": Use the AVAudioSessionCategoryAmbient audio category, will be muted by the phone mute switch (default) - "playback": Use the AVAudioSessionCategoryPlayback category. For more information, see Apple's documentation: https://developer.apple.com/library/content/documentation/Audio/Conceptual/AudioSessionProgrammingGuide/AudioSessionCategoriesandModes/AudioSessionCategoriesandModes.html This hint should be set before an audio device is opened. ## Version This hint is available since SDL 3.1.3. ---- [CategoryAPI](CategoryAPI), [CategoryAPIMacro](CategoryAPIMacro), [CategoryHints](CategoryHints)