Here’s how you can extract the audio from an MP4 video and convert it into a ringtone for your Android phone:

Step 1: Extract Audio from the MP4 Video

1. Install FFmpeg (if you don’t have it):

• On Windows: Install via WinGet with: winget install ffmpeg
• On macOS: Install via Homebrew with: brew install ffmpeg
• On Linux: Install via your package manager (sudo apt install ffmpeg).

1. Extract the audio:
   Open a terminal or command prompt and run the following command:

   ffmpeg -i input.mp4 -vn -ar 44100 -ac 2 -b:a 192k output.mp3

• -i input.mp4: Input video file.
• -vn: Disable video stream.
• -ar 44100: Set audio sample rate.
• -ac 2: Set audio channels to stereo.
• -b:a 192k: Set bitrate to 192 kbps.

1. If you need it as an M4A file (which Android also supports):

  ffmpeg -i input.mp4 -vn -acodec aac output.m4a

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Step 2: Trim the Audio (Optional)

Ringtones typically need to be around 30 seconds. Use the following command to trim:

ffmpeg -i output.mp3 -ss 00:00:00 -t 00:00:30 ringtone.mp3

• -ss 00:00:00: Start time.
• -t 00:00:30: Duration.

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Step 3: Transfer the Ringtone to Your Phone

1. Connect your Android phone to your PC via USB.
2. Navigate to the Ringtones folder on your phone.
3. Copy the ringtone.mp3 or ringtone.m4a to that folder.

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Step 4: Set the Ringtone on Android

1. Go to Settings > Sound & Vibration > Ringtone.
2. Find and select your new ringtone from the list.

That’s it! Your Android phone should now use the extracted and trimmed audio as a ringtone.