<audio > display invalid sources in ie browsers?

The src address of 

html:
 <audio class="mark_voice" src="" controls="controls"></audio>

JS:
function getInfo(id) {

    $.ajax({
        type: "post",
        url: "/web/oneillegalMessages",
        dataType: "json",
        data: { "id": id },
        async: false,
        success: function(data) {
            var list = data.data;
            if (data.flag == "success") {
                $(".mark_voice").attr("src", list.wav);
            }
        },
        error: function(XMLHttpRequest, textStatus, errorThrown) {
            console.log(XMLHttpRequest.status);
            console.log(XMLHttpRequest.readyState);
            console.log(textStatus);
        }
    })
}
Html
Apr.16,2021

IE 11 does not support wav format. It is recommended to switch to mp4 sources.

clipboard.png

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