C Specification

The XrSoundObstacleMaterialTypeBD enumeration describes the sound obstacle material type.

// Provided by XR_BD_spatial_audio_rendering
typedef enum XrSoundObstacleMaterialTypeBD {
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_ACOUSTIC_TILE_BD = 0,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_BRICK_BD = 1,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_BRICK_PAINTED_BD = 2,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CARPET_BD = 3,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CARPET_HEAVY_BD = 4,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CARPET_HEAVY_PADDED_BD = 5,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CERAMIC_TILE_BD = 6,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CONCRETE_BD = 7,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CONCRETE_ROUGH_BD = 8,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CONCRETE_BLOCK_BD = 9,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CONCRETE_BLOCK_PAINTED_BD = 10,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CURTAIN_BD = 11,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_FOLIAGE_BD = 12,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_GLASS_BD = 13,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_GLASS_HEAVY_BD = 14,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_GRASS_BD = 15,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_GRAVEL_BD = 16,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_GYPSUM_BOARD_BD = 17,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_PLASTER_ON_BRICK_BD = 18,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_PLASTER_ON_CONCRETE_BLOCK_BD = 19,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_SOIL_BD = 20,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_SOUND_PROOF_BD = 21,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_SNOW_BD = 22,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_STEEL_BD = 23,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_WATER_BD = 24,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_WOOD_THIN_BD = 25,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_WOOD_THICK_BD = 26,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_WOOD_FLOOR_BD = 27,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_WOOD_ON_CONCRETE_BD = 28,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CUSTOM_BD = 29,
    XR_SOUND_OBSTACLE_MATERIAL_TYPE_MAX_ENUM_BD = 0x7FFFFFFF
} XrSoundObstacleMaterialTypeBD;

Description

Enum Description

XR_SOUND_OBSTACLE_MATERIAL_TYPE_ACOUSTIC_TILE_BD

indicates that the material is acoustic tile

XR_SOUND_OBSTACLE_MATERIAL_TYPE_BRICK_BD

indicates that the material resembles brick

XR_SOUND_OBSTACLE_MATERIAL_TYPE_BRICK_PAINTED_BD

indicates that the material resembles painted brick

XR_SOUND_OBSTACLE_MATERIAL_TYPE_CARPET_BD

indicates that the material resembles carpet

XR_SOUND_OBSTACLE_MATERIAL_TYPE_CARPET_HEAVY_BD

indicates that the material resembles heavy carpet

XR_SOUND_OBSTACLE_MATERIAL_TYPE_CARPET_HEAVY_PADDED_BD

indicates that the material resembles heavily padded carpet

XR_SOUND_OBSTACLE_MATERIAL_TYPE_CERAMIC_TILE_BD

indicates that the material resembles ceramic tile

XR_SOUND_OBSTACLE_MATERIAL_TYPE_CONCRETE_BD

indicates that the material resembles concrete

XR_SOUND_OBSTACLE_MATERIAL_TYPE_CONCRETE_ROUGH_BD

indicates that the material resembles rough concrete

XR_SOUND_OBSTACLE_MATERIAL_TYPE_CONCRETE_BLOCK_BD

indicates that the material resembles concrete block

XR_SOUND_OBSTACLE_MATERIAL_TYPE_CONCRETE_BLOCK_PAINTED_BD

indicates that the material resembles painted concrete block

XR_SOUND_OBSTACLE_MATERIAL_TYPE_CURTAIN_BD

indicates that the material resembles curtain

XR_SOUND_OBSTACLE_MATERIAL_TYPE_FOLIAGE_BD

indicates that the material resembles foliage

XR_SOUND_OBSTACLE_MATERIAL_TYPE_GLASS_BD

indicates that the material resembles glass

XR_SOUND_OBSTACLE_MATERIAL_TYPE_GLASS_HEAVY_BD

indicates that the material resembles heavy glass

XR_SOUND_OBSTACLE_MATERIAL_TYPE_GRASS_BD

indicates that the material resembles grass

XR_SOUND_OBSTACLE_MATERIAL_TYPE_GRAVEL_BD

indicates that the material resembles gravel

XR_SOUND_OBSTACLE_MATERIAL_TYPE_GYPSUM_BOARD_BD

indicates that the material resembles gypsum board

XR_SOUND_OBSTACLE_MATERIAL_TYPE_PLASTER_ON_BRICK_BD

indicates that the material resembles plaster on brick

XR_SOUND_OBSTACLE_MATERIAL_TYPE_PLASTER_ON_CONCRETE_BLOCK_BD

indicates that the material resembles plaster on concrete block

XR_SOUND_OBSTACLE_MATERIAL_TYPE_SOIL_BD

indicates that the material resembles soil

XR_SOUND_OBSTACLE_MATERIAL_TYPE_SOUND_PROOF_BD

indicates that the material resembles sound proof

XR_SOUND_OBSTACLE_MATERIAL_TYPE_SNOW_BD

indicates that the material resembles snow

XR_SOUND_OBSTACLE_MATERIAL_TYPE_STEEL_BD

indicates that the material resembles steel

XR_SOUND_OBSTACLE_MATERIAL_TYPE_WATER_BD

indicates that the material resembles water

XR_SOUND_OBSTACLE_MATERIAL_TYPE_WOOD_THIN_BD

indicates that the material resembles thin wood

XR_SOUND_OBSTACLE_MATERIAL_TYPE_WOOD_THICK_BD

indicates that the material resembles thick wood

XR_SOUND_OBSTACLE_MATERIAL_TYPE_WOOD_FLOOR_BD

indicates that the material resembles floor

XR_SOUND_OBSTACLE_MATERIAL_TYPE_WOOD_ON_CONCRETE_BD

indicates that the material resembles wood on concrete

XR_SOUND_OBSTACLE_MATERIAL_TYPE_CUSTOM_BD

Customized material described by detailed acoustic surface parameters, for example, absorption, scattering, and transmission.

See Also

XR_BD_spatial_audio_rendering, XrSoundObstacleMaterialConfigBD

Document Notes

For more information, see the OpenXR Specification

This page is extracted from the OpenXR Specification. Fixes and changes should be made to the Specification, not directly.

Copyright

Copyright 2014-2026 The Khronos Group Inc.

This work is licensed under a Creative Commons Attribution 4.0 International License.