Sending a request from Vue to Flask to get an audio recording from the send_from_directory() method. How do I embed audio on Vue with Flask?

Question

Flask

Sending a request from Vue to Flask for an audio recording. Audio comes to postman, and string comes to Vue. How do I embed audio on Vue with Flask?
Return audio from the Flask server.

return send_from_directory('./static/wavs/', wav_name,
                                   mimetype='audio/wav',
                                   as_attachment=False)

I want to insert audio into the front code written in Vue:

<div class="d-flex align-items-center">
        <audio>
          <source :src="response" type="audio/wav">
        </audio>
      </div>

But it returns text like this... What should I do with it?

UklGRiSGAABXQVZFZm10IBAAFFAABAAEAIlYAAESsAAACABAAZGF0YQCGAADFAaQAOv9UAQ0C1f4q

Server request:

axios('http://' + 'localhost:5000' + '/sinth', {
        method: "POST",
        headers: {
          "Accept": "application/json",
          "Content-Type": "application/json",
        },
        data: data
      })
          .then((response) => {
            this.response = response;
            this.show_response = true;
            this.spinner_visible = false;
            return response;
          })
          .catch((error) => {
            console.log(error);
            this.spinner_visible = false;
          });

If it is necessary to return otherwise, is it then possible to return the response in json with an audio file?
I would also like to return the text sent and processed by the server to the front, and not just the audio recording ...