diff --git a/res/modules/internal/audio_input.lua b/res/modules/internal/audio_input.lua
new file mode 100644
index 00000000..3540e88b
--- /dev/null
+++ b/res/modules/internal/audio_input.lua
@@ -0,0 +1,27 @@
+local audio_input_tokens_store = {}
+audio.input = {}
+
+local _gui_confirm = gui.confirm
+local _base64_encode_urlsafe = base64.encode_urlsafe
+local _random_bytes = random.bytes
+local _debug_pack_by_frame = debug.get_pack_by_frame
+local _audio_fetch_input = audio.fetch_input
+
+function audio.fetch_input(token, size)
+    if audio_input_tokens_store[token] then
+        return _audio_fetch_input(size)
+    end
+    error("access denied")
+end
+
+local GRAND_PERMISSION_MSG = "Grant '%{0}' pack audio recording permission?"
+
+function audio.input.request_open(callback)
+    local token = _base64_encode_urlsafe(_random_bytes(18))
+    local caller = _debug_pack_by_frame(1)
+    _gui_confirm(gui.str(GRAND_PERMISSION_MSG):gsub("%%{0}", caller), function()
+        audio_input_tokens_store[token] = caller
+        callback(token)
+        menu:reset()
+    end)
+end
diff --git a/res/scripts/hud.lua b/res/scripts/hud.lua
index a5aad766..73355ddf 100644
--- a/res/scripts/hud.lua
+++ b/res/scripts/hud.lua
@@ -134,6 +134,10 @@ function on_hud_open()
     audio.play_sound_2d("test-sound", 2.0, 1.0, "ui")
 end
 
+audio.input.request_open(function(token)
+    input_access_token = token
+end)
+
 function on_hud_render()
     if hud.hand_controller then
         hud.hand_controller()
@@ -141,6 +145,8 @@ function on_hud_render()
         update_hand()
     end
 
-    local bytes = audio.fetch_input()
-    stream:feed(bytes)
+    if input_access_token then
+        local bytes = audio.fetch_input(input_access_token)
+        stream:feed(bytes)
+    end
 end
diff --git a/res/scripts/stdlib.lua b/res/scripts/stdlib.lua
index cb25150b..d0077b6f 100644
--- a/res/scripts/stdlib.lua
+++ b/res/scripts/stdlib.lua
@@ -179,6 +179,7 @@ end
 
 require "core:internal/maths_inline"
 require "core:internal/debugging"
+require "core:internal/audio_input"
 asserts = require "core:internal/asserts"
 events = require "core:internal/events"
 
diff --git a/res/scripts/stdmin.lua b/res/scripts/stdmin.lua
index 783e054e..30343d7d 100644
--- a/res/scripts/stdmin.lua
+++ b/res/scripts/stdmin.lua
@@ -2,7 +2,7 @@ local _ffi = ffi
 local _debug_getinfo = debug.getinfo
 
 function crc32(bytes, chksum)
-    local chksum = chksum or 0
+    chksum = chksum or 0
 
     local length = #bytes
     if type(bytes) == "table" then
diff --git a/res/texts/ru_RU.txt b/res/texts/ru_RU.txt
index 03ee8322..cc6de475 100644
--- a/res/texts/ru_RU.txt
+++ b/res/texts/ru_RU.txt
@@ -25,7 +25,8 @@ Grant %{0} pack modification permission?=Выдать разрешение на
 Error at line %{0}=Ошибка на строке %{0}
 Run=Запустить
 Filter=Фильтр
-Are you sure you want to open the link: =Вы уверены, что хотите открыть ссылку: 
+Are you sure you want to open the link: =Вы уверены, что хотите открыть ссылку:
+Grant '%{0}' pack audio recording permission?=Выдать паку '%{0}' разрешение на запись звука?
 
 editor.info.tooltip=CTRL+S - Сохранить\nCTRL+R - Запустить\nCTRL+Z - Отменить\nCTRL+Y - Повторить
 devtools.traceback=Стек вызовов (от последнего)