AudioRecorder

local Workspace = game:GetService("Workspace")

local audioRecorder = Instance.new("AudioRecorder")
audioRecorder.Parent = Workspace

local audioPlayer = Instance.new("AudioPlayer")
audioPlayer.Asset = "rbxassetid://1839825437"
audioPlayer.Volume = 0.8
audioPlayer.Parent = Workspace

-- Wire AudioPlayer into the AudioRecorder
local wire1 = Instance.new("Wire")
wire1.SourceInstance = audioPlayer
wire1.TargetInstance = audioRecorder
wire1.Parent = audioRecorder

-- There is no exact way to determine when audio buffer enters in to trigger the recording properly
-- Recording will have pre-head empty silence compared to the original asset
audioPlayer:Play()
audioRecorder:RecordAsync() -- Start recording the AudioPlayer
print("Recording...")
task.wait(5)
audioRecorder:Stop() -- Stop recording
print("Stopped recording!")
audioPlayer:Stop()
audioPlayer.TimePosition = 0

-- Create output to listen the results
local audioOutput = Instance.new("AudioDeviceOutput")
audioOutput.Parent = Workspace
local wire2 = Instance.new("Wire")
wire2.SourceInstance = audioPlayer
wire2.TargetInstance = audioOutput
wire2.Parent = audioOutput

-- Get the recorded content and play it in the AudioPlayer
local resultUri = audioRecorder:GetTemporaryContent().Uri
audioPlayer.Asset = resultUri

if not (audioPlayer.IsReady) then
	audioPlayer:GetPropertyChangedSignal("IsReady"):Wait()
end

audioPlayer:Play()