คำอธิบาย Sound Recorder PCM

Sound and voice recorder for Android, uses RAW microphone data to capture every sound and records in lossless format (PCM WAV). Records stereo audio - listen with headphones and feel surrounded by the sound.
Features:
- raw MIC data (captures all sound)
- also recording with screen OFF
- stereo MIC (if device has 2 MICs) - listen with headphones and feel surrounded by the sound
- lossless audio format (PCM WAV)
- sample rate 8kHz to 192kHz (older devices may not support all the sample rates)
- bits per sample selection 16-bit (high quality) / 8-bit (record files to use in some embedded systems)
- ajustable gain 0 to 60 dB or automatic (look-ahead AGC)
- AGC buffer step selection 10ms to 500ms
- AGC measured amplitude averaging factor A_avg 0 = max. amplitude, 1 = buffer average
- user-configurable file name including date and time
- 4GB file size technical limit - new file created automatically to continue recording
- stereo / mono channel selection
- swap left/right option
- left/right balance /- 10 dB
- option to keep screen ON
- option to disable ringing and vibration while recording - so the recording does not get ruined by the phone ring or vibration
- free, NO ADS, only limitation is recording stops after 10 min. which is more than enough for recording one song.
If you need continuous recording longer than 10 min, you can buy the Pro version:
https://play.google.com/store/apps/details?id=com.hardcodedjoy.soundrecorderpro