This wiki will teach you how to listen to WhatsApp OPUS file on your Windows or macOS computer. The easiest way to do this is to install VLC Player, which supports OPUS and many other audio formats.
WHAT IS THE ARTICLE ABOUT?
Method 1: Windows
1. Install VLC Player for Windows
- Go to https://www.videolan.org/vlc/index.html in a web browser.
- Click "Download VLC" and wait for it to download.
- When prompted, click "Save File" or "Download" to save the installer.
- Double-click the file you just downloaded to launch the installer. You may have to click "Yes" or "Allow" to begin the process.
- Follow the onscreen instructions to install VLC Player.
2. Press ⊞ Win + E to open File Explorer
A list of files and drives on your computer will appear.
3. Open the folder containing the OPUS file
This is a file that ends with .opus.
4. Right-click the file
The context menu will expand.
5. Click Play with VLC media player
This should be close to the top of the menu. This will open the file in VLC. Now you can listen to the file.
- If you don't see this option, click Open With, then select VLC Media Player.
Method 2. MacOS
1. Install VLC Player for macOS
VLC is a popular free application that supports wide range audio and video formats.
- Go to https://www.videolan.org/vlc/download-macosx.html in a web browser.
- Click the orange VLC download button. The download should start automatically.
- When prompted, save the file to a folder on your computer.
- Double-click the file you just downloaded (the name starts with "vlc" and ends with ".dmg."). A window will appear with icons inside.
- Drag the VLC icon (orange cone) onto the Applications folder icon. This installs the application.
2. Open the folder containing the OPUS file
You can do this by clicking the Finder Image icon called Macfinder2.png in the Dock and then navigating to the folder.
3. Open VLC Player on your Mac
It is located in the Applications folder.
4. Drag and drop the OPUS file into VLC Player
This will automatically import the file into VLC, where it should start playing automatically.
- If the file is not playing, click the play button (triangle) below the preview.
Most common cause The problem with opening the OPUS file is simply the lack of appropriate applications installed on your computer. In this case, it is enough to find, download and install an application that serves files in the OPUS format - such programs are available below.
Search system
Enter file extension
Help
Clue
Please note that some encoded data from files that our computer does not read can sometimes be viewed in Notepad. In this way we will read fragments of text or numbers - It is worth checking whether this method also works in the case of OPUS files.
What to do if the application from the list has already been installed?
Often an installed application should automatically link to an OPUS file. If this does not happen, then the OPUS file can be successfully linked manually with the newly installed application. Simply right-click on the OPUS file, and then from the available list select the "Choose default program" option. Then you need to select the “View” option and find your favorite application. The entered changes must be approved using the "OK" option.
Programs that open the OPUS file
Windows
MacOS
Linux
Why can't I open the OPUS file?
Problems with OPUS files can also have other causes. Sometimes even installing software on your computer that supports OPUS files will not solve the problem. The reason for the inability to open and work with the OPUS file may also be:
Inappropriate OPUS file associations in registry entries
- corruption of the OPUS file that we open
- infection of the OPUS file (viruses)
- too little computer resource
- outdated drivers
- removing the OPUS extension from the Windows registry
- incomplete installation of a program that supports the OPUS extension
Fixing these issues should result in opening and working with OPUS files freely. In case your computer still has problems with files, you need to take the help of an expert who will determine the exact cause.
My computer does not show file extensions, what should I do?
In standard Windows system settings, the computer user does not see the OPUS file extension. This can be successfully changed in the settings. Just go to the "Control Panel" and select "View and Personalization". Then you need to go to "Folder Options" and open "View". In the "View" tab there is an option "Hide extensions of known file types" - you must select this option and confirm the operation by clicking the "OK" button. At this point, the extensions of all files, including OPUS, should appear sorted by file name.
2014-06-01T15:53
2014-06-01T15:53
Audiophile's Software
What is Opus? Who created it?
Opus is a completely free, universal audio codec. It is primarily designed for interactive voice and music transmission over the Internet, but is also applicable for storage and streaming purposes. It combines the technologies of the SILK codec from Skype and the CELT codec from Xiph.Org. Opus is standardized by the Internet Engineering Task Force (IETF) as RFC 6716.
How does Opus compare to other codecs?
Opus stands out from other high-quality audio formats (AAC, Vorbis, MP3) due to its low latency, and what sets it apart from other low-latency codecs (G.711, GSM, Speex) is its support for high-quality encoding. Its encoding quality is comparable to or even exceeds that of existing codecs over a wide range of bitrates, while at the same time it has lower latency than almost any existing compression format. In addition, the Opus format itself, as well as its basic implementation, is available under a free, open-source license, making the codec easy to adapt, compatible with free software, and suitable for use as part of the Internet's core infrastructure. You will find more detailed information on the comparison page.
Is Opus capable of replacing all other codecs?
Theoretically, yes. From a technical point of view (losses, latency, bitrates, etc.) it can replace both Vorbis and Speex, and even existing proprietary codecs.
Will Opus Vorbis replace it in video files?
This is possible for OGG Theora video files, however the resulting space savings will be minimal and it will lose support with existing players.
For WebM video files this applies, but requires additional changes to the specification, since its current version only allows the use of VP8 and Vorbis codecs for video and audio, respectively.
How do I use Opus? What programs support Opus?
Opus decoding support this moment included in many programs, in particular Firefox, foobar2000, as well as frameworks like Gstreamer and FFmpeg. The best way coding will be using the opusenc console application from the opus-tools package. For real-time applications, support for Opus will soon be available on Google WebRTC.
Does Opus support high sampling rates - 96, 192 kHz?
What are the licensing requirements?
The original Opus source code is distributed under the highly permissive three-clause BSD license. Commercial use and distribution (incorporation into proprietary software) is permitted provided that certain basic requirements specified in this license are met.
Why is Opus made free?
On the Internet, protocol and codec standards are part of the overall infrastructure on which everything else is built. Much of the high quality standards come from the innovation and interoperability enabled by the systems built on them. When a few participants have a monopoly on monetizing a standard, the infrastructure becomes less common - because there is more reason for others to use their own solution, which increases cost and reduces efficiency. Imagine a road system where each car can only drive on its own manufacturer's road. We will all benefit if we live in a world where all roads are connected. This is why Opus, unlike many codecs, is free.
Is the SILK component in Opus compatible with Skype's SILK implementation?
No. The SILK codec submitted by Skype to the IETF was heavily modified during its integration into Opus. The changes are so significant that it is impossible to simply write “translator”; even the mutual replacement of parts of the code between Opus and the “old SILK” is far from a trivial process.
Why not develop SILK and CELT codecs separately?
Opus is more than two independent codecs with switching. In addition to the SILK mode with linear prediction and the MDCT mode of CELT, there is also a hybrid mode in which voice frequencies up to 8 kHz are encoded with linear prediction, and frequencies above are encoded using MDCT. This is why Opus performs so well for voice at a bitrate of around 32 kbps. Another advantage of integration is the ability to instantly switch between these modes, without any artifacts or distortion of the frequency range.
Now that Opus has been standardized, will development stop or will it continue to improve?
Unlike most ITU-T codecs, Opus is defined only in terms of decoding. The encoder can continue to evolve as long as the stream it encodes can be decoded by the reference decoder. It was this point that allowed MP3 encoders to make significant progress relative to the first implementations of l3enc and dist10. While it's unlikely that Opus will experience the same amazing revolution, we do hope that future versions will greatly improve upon the first release. In fact, already in libopus 1.1 we see significant improvements in quality.
Will all future releases of Opus be compatible with the Opus specification?
How is Opus optimized for the web?
Optimizing Opus for the Internet obviously means it has good packet loss resistance, but that's not all. Our first goal when developing Opus was to obtain really adaptable flow rate, since we never know what speed will be available. This requires not only having a wide range of bitrates, but also the ability to fine-tune (in small increments). This is why Opus covers the range from 6 to 512 kbps in 0.4 kbps increments (1 byte overhead for 20 ms frames). The reason Opus has over 1200 possible bitrates, spending 11 bits to specify the bitrate, is because UDP already encodes packet sizes. The last aspect is the ease of transfer via RTP, as seen in the Opus RTP payload format. For example, you can decode RTP packets without SDP and out-of-band signaling.
Which Android apps can play Opus?
At the moment there are not many of them, but the list is quickly growing. Please take a look at this question on android.stackexchange.com. You can also offer your own applications.
When will the next version be released?
When she's ready. Seriously. We do not know. Opus is not a large project with a fixed release period. Our pre-releases and even the git repository versions are quite stable, suitable for testing and distribution purposes. However, please note: the API for new functionality (which has not yet been included in stable releases) may change.
Frequently asked questions about the new modern audio codec Opus (developed by Xiph.Org).What kind of file is this - OPUS?
Files with the .OPUS extension contain lossy compressed audio data in the "Ogg Opus" format. This type of compression uses the SILK and CELT codecs and was designed for online audio streaming at variable bitrates from 6 to 510 kilobytes per second, so it is used primarily in software requiring audio transmission over the Internet - VoIP - video conferencing and gaming chats .
Because transmissions are encoded in real time, it is rare to find these files physically stored on storage devices.
Program(s) that can open a file .OPUS
Windows
MacOS
Linux
How to open OPUS files
If a situation arises in which you cannot open the OPUS file on your computer, there may be several reasons. The first and at the same time the most important (it occurs most often) is the absence of a corresponding application serving OPUS among those installed on your computer.
The most in a simple way The solution to this problem is to find and download the appropriate application. The first part of the task has already been completed - programs for servicing the OPUS file can be found below. Now you just need to download and install the appropriate application.
In the further part of this page you will find other possible reasons causing problems with OPUS files.
Possible problems with files in the OPUS format
The inability to open and work with the OPUS file should not at all mean that we do not have the appropriate software installed on our computer. There may be other problems that also block our ability to work with the Opus Audio Format file. Below is a list of possible problems.
- The OPUS file which is being opened has been corrupted.
- Incorrect OPUS file associations in registry entries.
- Accidental removal of the description of the OPUS extension from the Windows registry
- Incomplete installation of an application that supports the OPUS format
- The OPUS file which is being opened is infected with undesirable malware.
- There is too little space on your computer to open the OPUS file.
- Drivers for the equipment used by the computer to open a OPUS file are out of date.
If you are sure that all of the above reasons do not exist in your case (or have already been excluded), the OPUS file should work with your programs without any problems. If the problem with the OPUS file is still not resolved, this may mean that in this case there is another, rare problem with the OPUS file. In this case, the only thing left is the help of a specialist.
| .a2b | Adlib Tracker II Instrument Bank |
| .a2i | Adlib Tracker Instrument Format |
| .a2m | AdLib Tracker 2 Format |
| .a2p | Adlib Tracker Pattern Format |
| .a2t | Adlib Tracker Tiny Module Format |
| .aa | Audible Audio Format |
| Notatnik will allow us to see part of the data encoded in the file. This method allows you to view the contents of many files, but not in the same form as the program designed to serve them. |
- The computer determines the file type by its extension.
- By default, Windows does not show file name extensions.
- Some characters cannot be used in the file name and extension.
- Not all formats are related to the same program.
- Below are all the programs that can be used to open the OPUS file.
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MKVToolnix is one of the best software packages for working with the MKV format. Let us remember that this format was developed by several programmers and differs from other video formats in that it is open source and allows you to add an almost unlimited number of tracks with audio data, tracks with subtitles, etc. In addition, this format even allows you to create entire menus, like those that can be seen in DVDs. The MKVToolnix program is also open source, which allows you to modify it according to your wishes and capabilities. The standard tool of this program allows you to edit...
Audacity is a small, free editor for working with audio data. This program is almost no different in its capabilities from its paid counterparts. Using the Audacity program, you can easily digitize recordings from cassettes or other sources, record data from a microphone or any other sound source, and also perform operations on already recorded data and tracks. The program allows you to mix an unlimited number of tracks, perform standard operations with audio (cutting, copying), and also apply the necessary filters to the finished material. For example, you can remove noise, background, etc. from a recording...
Clementine is a music player that allows you to play most audio formats and has a number of additional features. Among these features, first of all, it should be noted that there is a function for playing various radio stations, a list of which can be downloaded from the Internet. The Clementine app has a built-in equalizer that allows you to customize the sound to your liking. Also, Clementine allows you to search required file in your music library. In addition, it supports visualizations, which allows you to customize appearance programs. Another feature of the player is support for dynamic playlists.
Zoom Player is an excellent media player that can replace Windows Media Player. The program will allow the user to enjoy their favorite movie or music as much as possible, as it supports all popular and common audio and video formats. It has a lot of additional functions, for example, it has a Zoom function, which will not only enlarge the image, but also improve the quality of the picture. Can display trailers of other movies before or after the video. It differs in that it supports remote control devices with which you can control the player and the ability to stop and continue the movie next time from the same place where...
Light Alloy is one of the most popular players for playing multimedia files. The main advantage of this program is that it has a large number of functions, but at the same time it has very small system requirements. The player can work with various types codecs. You can, for example, connect codecs installed in the system to the player, or you can use other codecs included in the player. Also, if the user has his own set of codecs, then this can also be connected to the player. In addition, this program can work perfectly with subtitles.
