{ "pearl.impact", "pling.wav" },
{ "crystal.collecting", "pong.wav" },
{ "crystal.impact", "pling.wav" },
- { "envelope.collecting", "pong.wav" },
+ { "[envelope].collecting", "pong.wav" },
+ { "[envelope].opening", UNDEFINED_FILENAME },
+ { "[envelope].closing", UNDEFINED_FILENAME },
{ "invisible_sand.digging", "schlurf.wav" },
{ "shield_normal.collecting", "pong.wav" },
{ "shield_normal.active", UNDEFINED_FILENAME },