Hearer was created as an interview tool for my own.
Such as ease of use are not taken into account for other man.
I can not at the same time, listening story, do computer work, thinking.
So I needed can play as many times as a middle part and to record a simple function.
Recording capability
1. You can select the sound quality, AAC of phone-quality and Linear PCM of high-quality sound.
2. You can select for recording, normal switch and voice switch.
Voice switch, be able to manually change the threshold.
3. It has Marker button to mark the important part.
4. It supports background recording so that you can work with other apps while recording.
5. It has memo field can be written to while recording.
6. It supports backup to iCloud.
Playback capability
1. It has the play button to forward at 2x while listening to the sound.
2. It has a button to reverse playback at double speed and 1x.
3. It has fast-forward and rewind button of silence 10 times faster.
4. It has the list to jump to the part of the marker when recording.
5. It has the slider to jump to the favorite part of all playing time.
6. It has the slider adjustment for Lowpass and Highpass filter.
7. It has the slider of the sound volume play of the standard or more.
8. It supports background recording so that you can work with other apps while playback.
9. You can select from a list of playback of the past.
History can be stored depends on the number of free space on your iPhone.
Others
1. Password lock is possible. But during recording and playback are not locked.
2. Delete the recording file from the playback screen is possible.
Please note
1. The recording of music is not suitable for the specification, because to record humans voice.
2. Recording will stop when incoming call.
When hang up the phone to resume recording in a separate file.
3. Use the conserved region around 220 Mb in 43 minutes recorded with high-quality sound.
May not be able to save file larger than 2Gb in one.
5Mb in just over 43 minutes of lower quality if way.
4. The sound may be distorted when you play at the volume of standard or more.
5. Reverse playback, the playback time will extend from the actual time.
The expense of accuracy for main purpose, it is find the playback point.