Australia is set to launch a national gun buyback scheme in response to the Bondi Beach terrorist shootings.

Fifteen people were killed and dozens wounded on Sunday at the Sydney beach after two gunmen opened fire at people celebrating Hanukkah, the Jewish festival of lights.

In the aftermath of the shooting, which authorities say appears to have been inspired by the Islamic State, patrols and policing across the country have been ramped up in an effort to prevent further violence.

both the federal government and the state government of New South Wales, where Sydney is located, have pledged reforms, including tightening gun control laws, to prevent the threat of further violence in a nation with an estimated four million firearms.

Prime Minister Anthony Albanese has said the government woudl also strengthen hate laws. Announcing the gun buyback scheme, he cited the response to a previous Australian mass shooting – when a lone gunman killed 35 people in Tasmania’s Port Arthur in 1996.

“Australia’s gun laws were last substantially reformed in the wake of the Port Arthur tragedy,” Mr Albanese said on Friday. “The terrible events at Bondi show we need to get more guns off our streets.”

On Friday, Australia’s Jewish community gathered at Bondi Beach for prayers, while hundreds of swimmers and surfers made a huge circle in the sea to honor the victims.

“Over the past two years, there’s been a lot of people who have been questioning whether we’re still welcome here in Australia because we saw people calling for our death on the streets on a weekly basis,” Rabbi Yosef Eichenblatt from Sydney’s Central Synagogue told ABC News, after attending the paddle-out tribute.

Bondi Beach Attack: Hero Receives Millions, Community mourns

The man hailed as a hero for disarming one of the alleged gunmen during the Bondi Beach attack has received over A$2.5m (£1.23m) through an online fundraiser. Ahmed al Ahmed wrestled a gun from the attacker, possibly saving lives during the horrific incident.

simultaneously occurring, the UK Chief Rabbi has visited Bondi Beach, stating, “All Jewish hearts are broken” following the attack which targeted a synagogue. Flowers have been laid at the scene as the community mourns.

Read more from Sky News:

* Democrats release more Epstein photos

* ‘All Jewish hearts are broken’ says UK Chief Rabbi on Bondi visit

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The Ultimate Guide to Video Compression

Video compression is essential for efficient storage, faster uploads, and smooth streaming. this guide breaks down the core concepts, popular codecs, and practical techniques to help you compress videos without sacrificing quality. Whether you’re a content creator, marketer, or simply looking to save space, understanding video compression is crucial in today’s digital landscape.

what is Video Compression?

Video compression reduces the file size of a video by eliminating redundant or unneeded data. Videos contain a massive amount of information – every frame is a still image, and when played sequentially, they create the illusion of motion.Without compression, even a short video can take up gigabytes of storage. Compression algorithms identify and remove this redundancy, making videos manageable for storage, transmission, and playback.

Lossy vs. Lossless Compression

There are two main types of video compression:

• Lossy Compression: This method permanently removes some data to achieve higher compression ratios. While it results in smaller file sizes, it can slightly reduce video quality. Common lossy codecs include H.264 and H.265 (HEVC).
• Lossless compression: This method compresses video data without losing any information. The original video can be perfectly reconstructed from the compressed file. Lossless compression achieves lower compression ratios than lossy compression, resulting in larger file sizes.It’s ideal for archiving or professional editing where quality is paramount.

Popular Video Codecs

A codec (coder-decoder) is the algorithm used to compress and decompress video data. Here’s a look at some of the most widely used codecs:

H.264 (AVC)

H.264 is a widely supported and versatile codec. It offers a good balance between compression efficiency and quality. It’s compatible with most devices and platforms, making it a popular choice for streaming, broadcasting, and general video use. Learn more about H.264.

H.265 (HEVC)

H.265, also known as High Efficiency Video Coding (HEVC), offers considerably better compression efficiency than H.264 – typically reducing file sizes by up to 50% for the same visual quality. Though, it requires more processing power to encode and decode, and licensing can be complex. It’s becoming increasingly popular for 4K and 8K video.

VP9

VP9 is an open-source, royalty-free codec developed by Google. It’s a strong competitor to H.265, offering similar compression efficiency. It’s widely used by YouTube and other online video platforms. Explore VP9.

AV1

AV1 is the newest open-source, royalty-free codec, designed to surpass both H.265 and VP9 in compression efficiency. It’s gaining traction but requires even more processing power than H.265. Expect to see wider adoption as hardware support improves.

Factors Affecting Video Compression

Several factors influence the effectiveness of video compression:

• resolution: Higher resolution videos (e.g.,4K) contain more data and require more compression.
• frame Rate: Higher frame rates (e.g., 60fps) result in larger file sizes.
• Bitrate: Bitrate determines the amount of data used per second of video. Lower bitrates result in smaller file sizes but can reduce quality.
• Codec: Different codecs offer varying levels of compression efficiency.
• Content Complexity: Videos with lots of motion and detail are harder to compress than static scenes.

Practical Video Compression Techniques

Here are some techniques to compress your videos effectively:

• Choose the Right Codec: Select a codec based on your needs and target platform. H.264 is a safe bet for broad compatibility, while H.265 or VP9 offer better compression for higher resolutions.
• Adjust the Bitrate: experiment with different bitrates to find the optimal balance between file size and quality.
• Reduce Resolution: If possible, reduce the video resolution without significantly impacting the viewing experience.
• Lower the Frame Rate: For videos that don’t require smooth motion, reducing the frame rate can save space.
• Use Video Editing Software: Software like Adobe Premiere Pro,Final Cut Pro,and Handbrake offer advanced compression settings and optimization tools.

Comparison table: Popular Codecs

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