<stream-voice-recorder-wavebar
*ngIf="isRecording$ | async"
></stream-voice-recorder-wavebar>VoiceRecorderWavebarComponent
The VoiceRecorderWavebarComponent displays the amplitudes of the recording while the recoding is in progress

The component doesn’t have any inputs, instead it uses the AudioRecorderService and the AmplitudeRecorderService to gather all necessary data.
Usage
isRecording$: Observable<boolean>;
constructor(public readonly recorder: AudioRecorderService) {
this.isRecording$ = this.recorder.recordingState$.pipe(map(s => s === MediaRecordingState.RECORDING || s === MediaRecordingState.PAUSED));
}