SoundEffect does not work in Qt6.2 beta3 in Windows and Linux

import QtQuick 2.15
import QtQuick.Window 2.15
import QtMultimedia //5.15

Window {
    width: 640
    height: 480
    visible: true
    title: qsTr("Hello World")

    Text {
        id: name
        text: qsTr("text")
    }

    SoundEffect {
        id: playSound
        source: "qrc:/sounds/shot.wav"
    }

    MouseArea {
        id: playArea
        anchors.fill: parent
        onPressed: { playSound.play() }
    }


}