How to extract sound from a video: step by step description, methods and recommendations

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How to extract sound from a video: step by step description, methods and recommendations
How to extract sound from a video: step by step description, methods and recommendations
Anonim

Gone are the days when the processing of multimedia files using computing systems was available only to companies specializing in this, as well as to the lucky ones who managed to purchase a powerful computer. It's hard to believe, but recently some Pentium with a frequency of 166 MHz and an MMX instruction set was considered an excellent solution that can work with the audio and video streams with acceptable performance. Perhaps, it was then that the question “how to extract sound from a video on a home computer” first arose, and correctly working software solutions were found. More than a dozen years have passed since then, but some of them still do an excellent job with the task once set.

Preparation

The first thing to do when working with a video stream is to pre-install a set of codec libraries.

how to extract audio from video
how to extract audio from video

Relatively speaking, they are the tools by which the operating system and programs are able to process the data stream. invertattention is on the K-Lite Codec Pack. This solution contains all the most popular codecs. During installation, you can either specify the desired modules yourself, or select the provided “optimal” mode. All versions (basic, advanced) are kept up to date and completely free.

Virtual Dub: Live as ever

The program first appeared in 2006-2007 and became incredibly popular due to its simple interface, open source, high speed and low consumption of computing resources, as well as the absence of any significant flaws.

extract sound from video program
extract sound from video program

This is largely due to the low-level code used to create the application. The target operating system is Windows of arbitrary bitness. The last update was in 2013. Nevertheless, with its help, you can quite successfully extract the sound from the video. The program is able to work with the vast majority of modern formats, as it uses not only built-in, but also codecs installed in the system itself. With all the additions, it takes about 50 MB on the disk, installation is not required. You can't leave her unattended. This is perhaps the easiest way to extract sound from a video.

After starting, you need to proceed to the menu header and select "Open video file …". An explorer window will appear, with which you should point to the desired video on the drive. The bottom row of buttons allows you to select the beginning and end of the required fragment, guided by the timelabels. After that, it remains to open the "File" section and click on the item "Save WAV sound …". Repacking in this mode is not supported. In this way, you can not only extract sound from MKV videos, but also from many other formats, including even such exotic ones as flm from Adobe and PVN.

Solution from Sony

The next noteworthy program is Sound Forge. Compared to the previous application, it has both advantages and disadvantages. The latter include, in particular, higher requirements for computing power and paid distribution.

how to extract audio from youtube video
how to extract audio from youtube video

On the other hand, there are usually no problems with how to extract sound from a video, since everything is as automated as possible.

After starting the program, select the "Open" item in the "File" header menu or immediately press the Ctrl + O combination. In the explorer window, you must specify the desired video. After that, you will have to wait until the frequency modulation is performed. The slower the computing system, the more time it will take. Further, everything is simple: the top row shows the storyboard, and the bottom row shows the corresponding audio stream. Thanks to visibility, you can easily determine the desired beginning and end of the future sound fragment. The possibility of selective extraction, as in this case, is not present in all solutions, so this point must be taken into account when choosing a program.

how to extract audio from mp4 video
how to extract audio from mp4 video

To select part of the audio trackyou need to hold down the left mouse button and, without releasing it, highlight the fragment with a color. After that, press Alt + F2 and select the file type (format), quality in the "settings" section, name. An important point: you can select the right or left channel from the stereo stream. The final confirmation is the "Save" button.

On the Internet

In addition to the above methods, it is possible to extract sound from videos located on remote network servers, and not on the local computer's drive. Moreover, with the growth of speeds of access to Internet resources, it becomes more and more in demand. For example, everyone at least once wondered "how to extract sound from a YouTube video".

extract audio from mkv video
extract audio from mkv video

In fact, this seemingly insoluble task is very easily solved. You only need to configure the browser on your computer once - and you can "get" the sound track from the video in just a couple of mouse clicks.

The service for downloading YouTube videos and/or extracting sound from them is called SaveFrom_Net. It allows both manual work with the address bar and with the help of a plugin. The second method is more universal, therefore it will be discussed about it. Work is supported with browsers based on the Chromium engine, as well as Firefox, including the latest version of Ognelis.

How to install the "wonder program"

To install the extension, you need to go to the online store, use the search, find SaveFromNet and agree to add the module to the browser. Do not confuse a social media solution withcomplete program.

how to extract music from video
how to extract music from video

The name of the "correct" extension contains the word helper. For example, for Firefox, you need to click on the three bars of the menu in the upper right corner, open the "Add-ons" section and go to the "Get add-ons" item. At the bottom of the page there will be a link to the store (you will not need to buy anything there, but only choose).

For the Chrome browser, you will have to additionally install the Chameleon extension, and only then take the SaveFromNet helper from Opera Add-ons. Detailed instructions are on the developer's website of the same name. After that, there will be no more difficulties with how to extract sound from the video.

YouTube videos

A working installed extension adds an additional button to the screen with a YouTube video. It is placed directly below the video window, slightly to the right of the voting icons. Regardless of localization, the button is always signed as Download. Pressing directly will start downloading the entire clip to the hard drive. To select audio, click on the arrow next to the button and specify the desired Audio format in the drop-down list. The download is carried out in the folder specified in the global settings of the browser.

Those who decided once and for all to deal with the question "how to extract sound from a video", it is recommended to additionally install the auxiliary application Ummy Video Downloader. It is registered in the system and increases the number of available saved audio stream formats.

Network Services

Exceptusing the extension, you can use specialized online services. The principle of operation of such a system is simple: on a remote server there is software that can perform certain actions with files uploaded by users. For example, consider how to extract sound from an mp4 video using the site.

easy way to extract audio from video
easy way to extract audio from video

Despite the abundance of alternatives, they are all similar. You need to select "Video conversion" in the interface, then upload the file from your computer to the server (the time spent depends on the speed of the Internet connection). Next, you need to specify what should be received "at the output" - video or only sound. The "Convert" button starts the process. After a few minutes, a link is provided to download your audio stream.

Results

As you can see, there is nothing complicated about how to extract music from a video. The methods that currently exist allow us to solve this problem exactly as it is more convenient for a computer user. It doesn't matter which one is chosen, as the result is predictable. Regardless of whether the flexibility of local programs is preferred or the simple interface of various network applications. Perhaps the only nuance is the availability of access to the Internet. If it is absent, then the problem of choice ceases to be relevant, and only local solutions have to be used to process files.

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