fix bug for 48k wav in h5 (#890)

zhaomingwork

2023-08-23 8257c10627f4e773c62a5f5e15598da0ec607126

fix bug for 48k wav in h5 (#890)

 funasr/runtime/html5/static/main.js

@@ -83,9 +83,7 @@
                let fileAudio = new FileReader();

                fileAudio.readAsArrayBuffer(this.files[i]);  

                file_ext=this.files[i].name.split('.').pop().toLowerCase();

                if(file_ext==="wav"){

                    file_ext="pcm";

                }



                fileAudio.onload = function() {

                 var audioblob= fileAudio.result;

                 file_data_array=audioblob;