PHP Header Function Attempt to Play WAV in Browser

Hello,
I have some headers that I use to send a wav file to the end-users browser. Is there a way to make it attempt to play in the wav in the user's web browser rather than the "Save/Open/Cancel" dialog box? I've attached my header code. Thanks!

//send the wav to client via headers
$size = filesize("tmp/$random_string.wav");
header("Content-Type: audio/wav", TRUE);
header("Content-Disposition: ATTACHMENT; FILENAME=\"" . $random_string . ".wav\"", TRUE);
header("Content-Length: " . $size);
header("Content-Transfer-Encoding: binary");
 
//open, send file, and close connection, delete (unlink) the tmp file.
$fh = fopen("tmp/$random_string.wav", "r");
fpassthru($fh);
fclose($fh);
unlink("tmp/" . $random_string . ".wav");

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