Windows 10: How to delete opus audio file

Yogeesha R · Mar 4, 2023

I renamed one audio file with extention awb to opus because it is not opening in windows 10 then i tried to open that it failed so i decided to delete same but not able to do it and tried t orename to old awb extenteson but failed pls help

:)

A G · Mar 4, 2023

How to install opus codec for playback on Windows 10

How do I install the opus audio codec onto my Windows 10 machine? I have an mkv file with HEVC video and OPUS audio.

When I play the file in VLC, its fine

Windows 10 Film and TV app: there is video but no sound

Media Player Classic: there is no sound or audio.

The official site (Downloads – Opus Codec) has the actual dlls, but nothing to 'install' them to windows. I also tried installing the Web Media Extensions from the Windows store, but that does nothing. I'm running Windows 10 Pro 1709 16299.371

What do I need to install to get sound for the Windows 10 films and tv app

What do I need to install to get sound and video for media player classic?

Brink · Mar 4, 2023

WebM, VP9 and Opus Support in Microsoft Edge

Starting with EdgeHTML 14.14291, the open-source WebM container format and the VP9 video and Opus audio codecs are supported in Microsoft Edge. These are available to websites that use Media Source Extensions (MSE) to adaptively stream video content. Windows Web Apps (built on the same Edge APIs) will also be able to use WebM streams containing VP9 and Opus. This change will be available in stable releases starting with the Windows 10 Anniversary Update.

VP9 is an efficient open source video codec developed as part of the WebM Project by Google. The VP9 and WebM project team recently joined the Alliance for Open Media effort where their work on VP9 is expected to be a significant contribution to the next generation of open-source, royalty-free video codecs.
Opus was developed by the Xiph Foundation to support both bandwidth-efficient speech/RTC applications as well as high-quality media playback – all within one codec. Opus is the primary audio codec paired with VP9 in the WebM specification.

We are adding support for these formats to simplify building interoperable websites, and to provide an alternative format for compressing 4K video content. To try them in Microsoft Edge, please install the most recent Windows 10 Insider Build.

Background

Microsoft has been providing support for Media Source Extensions (MSE) since Windows 8.1, initially through support for ISO-Base Media File Format (ISO-BMFF) content that uses fragmented MP4 containers with H.264/AVC video and AAC audio. More recently, we added support within MP4 for H.265/HEVC video and Dolby Digital multi-channel audio, formats targeted at high-performance media.

The WebM Byte Stream Format has existed for some time. It defines the specifics of using VP9 and Opus with MSE. VP9 is an open source video codec that has efficient compression well suited to HD and 4K streaming. Opus, similarly, is a very efficient open source audio codec. They are used together by some prominent websites – notably YouTube – that value them for this efficiency, especially on content with greater than 1080p resolution. Adding WebM, VP9 and Opus to Microsoft Edge means the full experience on these websites will be possible in the Edge browser.

VP9 and Opus Performance

Our implementation of VP9 will support software decoding and, when supported by the device, hardware decoding via the DXVA interface. Video decoding is computationally complex, so the best experience will be seen on computers that have VP9 hardware acceleration which is optimized for 4K decoding support, a feature which will start to become common on devices later this year. Software decoding can yield good performance, but will work best on more powerful desktop or laptop computers.

There’s a side effect of high computing load on software decode: system power consumption is elevated. The elevation is highest on 4K content because the computing load correlates closely with video resolution. If we compare software decode to hardware accelerated decode, software decode may consume 20% more total power when viewing a 1080p video, and up to 80% more power viewing 2160p. The following charts compare hardware video decode to software video decode at different resolutions on a mid-level laptop computer:

This difference in power consumption is important because hardware acceleration is common for H.264, but not yet for VP9. If websites see VP9 is supported, they may prioritize using it and users will experience an unexplained reduction in battery life.

Ideally, there would be a way for apps to confirm hardware acceleration itself is supported. Current web specifications don’t allow for this. For this reason, we’ve put VP9 behind an experimental flag in Microsoft Edge, and have provided a default setting for it that automatically enables VP9 when hardware acceleration is detected. VP9 is not supported on Windows mobile SKUs at this time.

Audio codecs, Opus included, don’t have the same power concern and are usually decoded in software. We have, however, elected to put Opus behind an experimental flag as well. Opus is supported on Windows mobile and desktop SKUs.

Managing Experimental Flags

You can manage the settings for VP9 and Opus by navigating to http://about[b][/b]:flags in the address bar.

Flags may be used to change the default settings for VP9 and Opus. These default settings are:

Opus: Enabled

VP9: Automatic

The “Automatic” setting for VP9 enables VP9 if hardware acceleration is supported on the device. We did this for the power reason previously discussed as well as the potential on less powerful computers to experience frame drops when doing software decode on higher resolution streams. The full set of VP9 flag settings and their meaning are:

Automatic: VP9 is enabled if hardware-accelerated VP9 decoding is supported

Enabled: VP9 is always enabled and available for use

Disabled: VP9 is always disabled

These settings allow users to have VP9 always enabled or disabled, in addition to our default setting. We encourage experimenting with these settings and look forward to your feedback.

The “Enabled” default setting for Opus means the Opus codec will be enabled and available for website use, and will show up in the MSE MediaSource.isTypeSupported capabilities query. It’s possible to disable Opus using this flag, which would make it unavailable for playback and show as unsupported via isTypeSupported().

VP8 video and Opus audio are important formats for WebRTC support, and have different considerations regarding hardware acceleration. The Edge WebRTC implementation supports VP8 and Opus regardless of the flag settings. See Roadmap update for Real Time Communications in Microsoft Edge for more information.

Integration

VP9 and Opus support can be queried by websites. With VP9 and Opus enabled, the following Media Source Extension capability checks will return “true”:

isTypeSupported ('video/webm; codecs="vp9"')

isTypeSupported ('video/webm; codecs="vp9, opus"')

isTypeSupported ('video/webm; codecs="opus"')

isTypeSupported ('audio/webm; codecs="opus"')

And these will return “false”:

isTypeSupported ('video/webm')

isTypeSupported ('audio/webm')

If VP9 is on “Automatic”, it will show up as supported on systems that have VP9 hardware acceleration, and won’t on systems that don’t.

MediaElement.canPlayType() is used to check capabilities for file-based playback. Edge will respond to any WebM canPlayType() calls with an empty string (the defined response for “not supported”) since we are only supporting WebM on MSE right now.

Microsoft has an ongoing effort to expand codec offerings in Windows. WebM, VP9, and Opus are our latest format additions. We continue to evaluate other formats and look forward to receiving feedback as we work on implementing them.

Please send us your feedback so we can further improve our media support in Microsoft Edge!

– Andy Glass, Principal Program Manager, Silicon, Graphics & Media (VP9 video)
– Neil Hinnant, Program Manager, Silicon, Graphics & Media (Opus audio)
– Jerry Smith, Senior Program Manager, Microsoft Edge (Media)

Click to expand...

Source: WebM, VP9 and Opus Support in Microsoft Edge | Microsoft Edge Dev Blog

Alden Rey · Mar 4, 2023

deleting hard drive files

Hi,

May we know what type of file are you trying to delete? Would it be Office documents, media files, or picture files? If you're trying to delete files for free some space on your device. We suggest to perform a Disc Cleanup. Kindly follow the steps below to
perform the task:

Type in Cortana Disc Cleanup

Choose the files to delete

Click on "Clean up system files"

Click on Ok

For any concerns, don't hesitate to get back to us.

Regards.

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