Attempt at Extracting Text Faster than Playback

.tsx

  const beforeUpload=(file:any) =>{
    console.log("Upload beforeUpload",file);
    var reader = new FileReader();
    const _audioContext = new OfflineAudioContext(1, 48000 * 1, 48000);
    
    
    reader.readAsArrayBuffer(file);
    reader.onloadend = (evt) => {
      if (evt.target?.readyState === FileReader.DONE) {
        console.log("File reader is done");
        const arrayBuffer = evt.target.result as ArrayBuffer;
       
          _audioContext.decodeAudioData(arrayBuffer, function (buffer) {
            console.log("DecodingAudoData buffer size:", buffer.length);
            
            if(recognizer){
              console.log("audiobuffer",buffer);
              var channelData = buffer.getChannelData(0);
              console.log("Channel data",channelData);
              var chunks = splitArrayIntoChunksOfLen(channelData,100000);
              for(var i = 0;i  < chunks.length; i++){
                recognizer.acceptWaveformFloat(chunks[i],buffer.sampleRate);
              } 
              console.log("Finished submitting wave form");
              // recognizer.acceptWaveform(buffer);
              
              }
            
          });

        _audioContext.oncomplete = (e) => {
          console.log("_audioContext on complete");

        };
        
      }
    }

    return false;
  }