LensFlowPro User Manual

1. Start Recording

You can record system audio, the screen, specific areas, apps, or windows.

1. Record system audio only
   • In the main panel, click System Audio.
   • After the countdown ends, system audio recording begins.
2. Record the current screen
   • Click Screen.
   • The menu bar is included by default.
   • You can turn the menu bar off in Settings if needed.
3. Record a screen region
   • Click Screen Area.
   • Drag to select the target region.
   • Recording starts after the region is selected.
4. Record a specific app
   • Click Application.
   • Choose the target app from the list.
5. Record a specific window
   • Click Window.
   • The app records the currently frontmost window.

2. Audio Recording and Mixing

1. Record system audio and microphone together
   • In the main panel, check the microphone box and select the device.
   • In Settings → Output, check Record Microphone to Main Track.
   • After recording, automatic post‑processing (Remux) runs. System audio and microphone audio are merged into one track.
2. Enable microphone echo cancellation
   • In Settings → Output, check Enable Acoustic Echo Cancellation.
   • Adjust Audio Ducking Level as needed.
3. Record only system audio or only microphone
   • For system audio only: in the main panel, select System Audio only.
   • For microphone only: check the microphone, and record via screen / region / window.

3. Video Output

1. Format and codec
   • Go to Settings → Output → Video.
   • Choose MOV or MP4.
   • Choose H.264 or H.265 (HEVC).
2. Alpha channel recording
   • In Output, check Recording with Alpha Channel.
   • The app automatically switches to HEVC + MOV.
3. Quality and resolution
   • In the lower‑right corner of the main panel, adjust frame rate and compression quality.
   • Resolution is calculated automatically based on content and scaling strategy.