2: The sample rate is 32 KHz, and the file size is around 3.75 MB after 10 minutes of recording.
0: The sample rate is 32 KHz, and the file size is around 1.2 MB after 10 minutes of recording.
1: The sample rate is 32 KHz, and the file size is around 2 MB after 10 minutes of recording.
Audio recording quality.