Update update_birdnet2.sh

scripts/update_birdnet2.sh

@@ -19,6 +19,21 @@ FULL_DISK=purge
 EOF
 fi
 
+if ! grep AUDIOFMT ${birdnet_conf} &> /dev/null;then
+  cat<< EOF >> ${birdnet_conf}
+## AUDIOFMT set the audio format that sox should use for the extractions.
+## The default is mp3. Available formats are: 8svx aif aifc aiff aiffc al amb 
+## amr-nb amr-wb anb au avr awb caf cdda cdr cvs cvsd cvu dat dvms f32 f4 f64 f8
+## fap flac fssd gsm gsrt hcom htk ima ircam la lpc lpc10 lu mat mat4 mat5 maud 
+## mp2 mp3 nist ogg paf prc pvf raw s1 s16 s2 s24 s3 s32 s4 s8 sb sd2 sds sf sl 
+## sln smp snd sndfile sndr sndt sou sox sph sw txw u1 u16 u2 u24 u3 u32 u4 u8 
+## ub ul uw vms voc vorbis vox w64 wav wavpcm wv wve xa xi
+## Note: Most have not been tested.
+
+AUDIOFMT=mp3
+EOF
+fi
+
 sudo -u${USER} sed -i 's/EXTRACTIONLOG_URL/WEBTERMINAL_URL/g' ${birdnetconf}
 
 # Replace Backup labels.txt