How to extract audio from video android app?

Intro

Audio extraction is the process of extracting or ripping the audio track from a video file. This allows you to have just the audio portion in a separate audio file format like MP3 without the accompanying video. There are several benefits to extracting audio from video files:

– Listen to the audio anywhere without needing to stream the video. You can save just the audio track to your phone or MP3 player.

– Save storage space. Audio files take up much less space than video files.

– Use the audio track in other projects. You can remix or sample the audio for use in music production, podcasts, etc.

– Improve accessibility. People with visual impairments can still enjoy the audio content.

– Multitask while listening. You can play just the audio in the background while doing other tasks.

So in summary, extracting audio from video files provides portability, saves storage space, enables creative reuse, improves accessibility, and allows easy background listening.

Prerequisites

To extract audio from video on an Android device, you will need:

  • An Android smartphone or tablet
  • A video file saved on your device that you want to extract the audio from
  • An app capable of extracting audio from video files. Some options include:
    • VLC Media Player (free) [1]
    • Video to MP3 Converter apps
    • Online converters
    • Command line tools
    • Automation apps

Using VLC Media Player

One easy way to extract audio from video on Android is by using the VLC media player app. VLC is a popular open-source, cross-platform media player that is available for free on the Google Play Store.

Here are the steps to extract audio from video using VLC on Android:

  1. Install VLC media player on your Android device if you don’t already have it.
  2. Open the VLC app and tap on the hamburger menu icon in the top left corner.
  3. Select “Convert/Save” from the menu.
  4. Tap on “Add” and select the video file you want to extract audio from.
  5. Under “Profile” select “Audio – MP3” to set the output format to MP3.
  6. Tap on the folder icon next to “Destination” to select where you want to save the extracted audio file.
  7. Tap “Start” to begin the audio extraction process.
  8. VLC will extract and save the audio from the video as an MP3 file to the selected destination.

The process is quick and easy, allowing you to rip audio from videos on your Android device for free without any loss in quality. The extracted audio can then be used as ringtones, notification sounds, or listened to as music files on your phone.

Using Video to MP3 Converter Apps

One of the most popular options for Android users is to download and use a dedicated video to MP3 converter app. Some of the top options include:

Video to MP3 Converter – This app allows you to extract audio from videos in MP3, M4A, OGG, WAV formats. To use it:

  1. Download and install the Video to MP3 Converter app.
  2. Open the app and tap on “Select Video” to choose a video from your device.
  3. Tap on “Convert” and select MP3 as the output format.
  4. The app will process the video and extract the audio in MP3 format.
  5. You can find the converted audio file in the “Converted” section of the app.

Easy MP3 Converter – This app lets you extract audio and also edit/crop videos. Follow these steps:

  1. Install and launch the Easy MP3 Converter app.
  2. Tap on “Video to Audio” and select a video to extract audio.
  3. Choose MP3 as output and tap Convert.
  4. Trim/crop the video if needed before extracting the audio.
  5. The final MP3 audio will be saved on your device.

These apps provide an easy way to convert videos to MP3 format directly on your Android device.

Using Online Converters

One easy way to extract audio from video files is by using free online converters. These websites allow you to simply upload your video file, select MP3 as the output format, and download the converted audio file.

Some recommended online video to MP3 converters include:

To use these sites, simply go to the homepage, click the “Choose File” button to select your video from your computer, choose MP3 as the output format, and click “Convert” or “Download”. The MP3 audio will be extracted from the video and you can download it to your device.

The benefit of using online converters is that they require no software installation and make audio extraction quick and easy. However, file size limits may require you to split larger videos before uploading.

Using Command Line Tools

FFmpeg is a free and open source command line tool that can extract audio from videos. It is very powerful but requires some technical knowledge to use effectively.

Termux is an Android terminal emulator that allows installing Linux packages like FFmpeg on Android devices. This allows more advanced users to extract audio via the command line without needing to root their phone.

To extract audio using FFmpeg on Termux:

  1. Install Termux from the Google Play Store and open it.
  2. Run pkg install ffmpeg to install FFmpeg.
  3. Navigate to the folder containing your video file.
  4. Run ffmpeg -i input.mp4 -q:a 0 -map a output.mp3 to extract the audio.

This will extract the audio from input.mp4 as output.mp3. The -q:a 0 option ensures the highest audio quality. The -map a option extracts only the audio stream.

There are many more options available to customize the audio extraction in FFmpeg. It provides very granular control for advanced users.

While powerful, the command line interface has a learning curve. FFmpeg is best for developers or technical Android users comfortable using the Linux terminal.

Using Automation Apps

Automation apps like Tasker can simplify the audio extraction process by automating repetitive tasks. Tasker allows users to create scripts and workflows that can automatically extract audio from videos. For example, you could set up a Tasker task that:

  • Monitors a designated folder for new video files
  • Automatically extracts the audio track when a new video is detected
  • Converts the audio track to MP3 format
  • Saves the MP3 file to a designated audio folder

With this type of automation, you can batch process multiple video files, extracting the audio tracks quickly and efficiently. Tasker even allows passing the file path of new videos detected dynamically into the FFmpeg command line tool to handle the extraction and conversion [1]. This way, you avoid having to manually extract each video file individually.

Extra Tips

https://riverside.fm/blog/how-to-extract-audio-from-video

Here are some extra tips to get the most out of extracting audio from video files:

Adjust the output audio format – MP3 and WAV are common formats, but you may prefer using AAC, FLAC, or OGG for higher quality. Just be aware of the file size tradeoff.

Optimize the bitrate and sampling rate – Higher values produce better sound quality but larger file sizes. Find the optimal balance for your needs.

Trim the extracted audio – You can edit the audio clip duration in most extraction tools. This allows removing unwanted sections.

Add metadata – Include tags for title, artist, album, genre, etc. This makes the extracted audio files easier to organize and manage.

Split into multiple files – If extracting a long audio track, split it into multiple smaller files for easier sharing and consumption.

Change filename format – Rename extracted files in a consistent, descriptive way to identify the source video.

Store extracts together – Save all extracted audio files from a video in one folder for better organization.

Back up originals – Keep the original video files even after extracting audio, in case you ever need to refer back to them.

Pros and Cons of Different Audio Extraction Methods

There are various advantages and disadvantages to the main methods for extracting audio from video files.

Using a media player like VLC is very convenient but may result in lower audio quality compared to more specialized tools. VLC is quick, free, and works across platforms, but doesn’t allow fine-tuned control over output settings.

Dedicated video to MP3 converter apps like Freemake provide more customization options and can directly convert to common audio formats. However, the software may be bloated with extra features, ads, or upsells. Quality depends on the specific app.

Online converters like Online Video Converter are handy for quick, one-off jobs but offer limited control and quality. You’re also uploading your files to a third-party service. But they’re easy to use with no software to install.

Command line tools like FFmpeg provide the most advanced settings and highest output quality potential. But they require technical skill to operate. Quality depends on how well you customize extraction settings.

Automation apps like TunesKit make batch processing easy and can tweak many output parameters. However, they can cost money and still may not match the quality of finely tuned FFmpeg.

Overall, there are tradeoffs between convenience/speed and maximizing audio quality. Specialized tools require more effort but enable greater customization and control.

Conclusion

In summary, this article covered several methods for extracting audio from video files on Android devices. Using apps like VLC Media Player or dedicated Video to MP3 converters provides a quick and easy way to convert videos to audio. Online converters offer a convenient web-based option. For more advanced users, command line tools like FFmpeg give you more control over the extraction process. Automation apps can batch process multiple files at once.

The main benefits of audio extraction include being able to listen to just the audio portion of a video for music or podcasts. It also allows you to save storage space since audio files are smaller than video. You can also easily edit or remix the extracted audio. Overall, extracting audio from video gives you more flexibility and options when working with multimedia files on your Android device.

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