Audio Recorder - WAV, M4A 2.2.1

This app is a professional recorder app that focuses on simplicity of operation, customizable recording formats, and enhanced playback effects. It has a wide range of applications, including business uses like meetings and entertainment uses like music. Please note that call recording is not supported.

Recording Features:

• File formats: wav, m4a
• Channels: Mono / Stereo
• Supports microphone selection (Bottom / Back) for monaural recording with the built-in microphone
• Supports stereo recording (Front / Back) with the built-in microphone (note: some models have restrictions)
• Supports a variety of sampling rates:
  - wav: 8 ~ 192 kHz
  - m4a: 44.1, 48 kHz
• Bit depth (wav): 16, 24, 32 bits
• Bit rate (m4a): 64, 128, 192, 256, 320 kbps
• Supports background recording
• Supports additional recording from the end and saving as a new file

Playback Features:

• Graphical waveform display
• Quick jump back/forward of playback position (time can be set between 1 ~ 60 seconds)
• Repeat playback in specified section
• Setting of playback speed (0.5x ~ 2.0x)
• Pitch adjustment (±1 octave) *In-App Purchase required
• 10 band equalizer (32 Hz ~ 16 kHz) *In-App Purchase required
• Supports background playback

Other Features:

• Supports trimming the recording file, including speed, pitch, and EQ adjustments
• Supports sharing the recording file with other apps
• Supports changing the recording file name
• Supports reading recording files from iTunes
• Supports recording using Bluetooth HFP (Hands-Free Profile)
• Supports Auto-Lock ON/OFF

Note:
Stereo recording with the built-in microphone is limited to the following models (iOS 14~):
iPhone XS/XR, iPhone SE (2nd), iPhone 11~, iPad Pro 11 (1st~), iPad Pro 12.9 (3rd~)
If the model does not support stereo recording, the same sound will be recorded on the left and right channels respectively.