how to save recording in wav file

[darshan1226]

i am trying with below options to generate wav file
void _initializeControllers() {
recorderController = RecorderController()
..androidEncoder = AndroidEncoder.aac
..androidOutputFormat = AndroidOutputFormat.mpeg4
..iosEncoder = IosEncoder.kAudioFormatMPEG4AAC
..sampleRate = 8000;
}

• after my recording finish when i check this file on this below website its say is file is not a wav file
  https://indiehd.com/auxiliary/flac-validator/
  
• below is my recorded wav file :
  https://drive.google.com/file/d/1SRXtVVnY7M9IJ55Sch1FFQkNxp5Qk5CM/view?usp=sharing

[AkshayStackSum]

Please reply on this we were in critical situation.

[PeteSahad]

use flutter_sound package for recording. You can still use audio_waveforms for visualization.

[codakkk]

use flutter_sound package for recording. You can still use audio_waveforms for visualization.

Can you provide an example on how you achieved that?

[Mistic92]

Did you managed to do that?