What is the Samsung Voice Recorder application, how does it work?

According to the introduction of Samsung Electronics Co., Ltd., Samsung Voice Recorder is a Tools app on the Android platform. There is currently a 21.1.06.11 version released on Jul 29, 2019, you can see the details below.

Samsung Voice Recorder is designed to provide you an easy and wonderful recording experience with high quality sound, while also offering playback and editing capabilities.
For your everyday needs, we developed a “Voice Memo” recording mode so that you can convert your voice to text (Speech to text).

Available recording modes are:

[STANDARD] It provides pleasantly simple recording interface.
[INTERVIEW] Two microphones located on the top and bottom of your device will be activated to capture you and your interviewer (or interviewee)'s voices, it also displays dual waveform accordingly.
[VOICE MEMO] Records your voice and then convert it to on-screen text, so called STT.

Before starting the record, you may configure
□ Directory path (If external SD-card is available)

During recording,
□ You can reject incoming calls while recording.
□ BOOKMARK the points you want to mark.
□ Background recording is also supported by simply pressing HOME button.

Once saved, these actions below can be performed:
□ Both mini player and full player can be launched from Recordings LIST.
* Built-in sound player supports media controls such as Skip muted, play speed and Repeat mode.
□ Edit: Rename and Delete
□ Share your recordings with your friends via Email, Messages, OneDrive, WhatsApp, etc.

* Not Support S5, Note4 Android-M
** Available recording mode depends on Device Model
*** This is Samsung Device's Preloaded Application which is pre-installed app.

The following permissions are required for the app service. For optional permissions, the default functionality of the service is turned on, but not allowed.

Required permissions
. Microphone: Used for recording function
. Storage: Used to save recorded files

Optional permissions
. Telephone: Used to decline calls received while recording and provide Voice Label function

Voice Recorder 21.3.30.23 update for Android 10 & 11 includes:
1.Widget for voice recording on Lock Screen (Android 11)
2.Split view mode for the large screen (Tablet and Galaxy Fold models)
3.Bug fixed