9月 19, 2024投稿者 ブリタニー・ガルシア に ブルーレイを再生
Blu-ray is not the only disc format for home entertainment, and you might have used DVD before it. Back in the day, DVD was the only one capable of amazing fits, including streaming movies, recording, and rewriting discs. However, ever since Blu-ray was developed, DVD is not being used too much today. However, DVDs have an HD DVD that is on par with Blu-ray, which means you will need to compare their pricing, compatibility, resolution, and others. Read further to know the differences between Blu-ray and HD DVD.
- パート1. ブルーレイとは
- Part 2. What is HD DVD
- Part 3. Difference Between Blu-ray and HD DVD
- Part 4. Blu-ray vs HD DVD: Which One Do You Choose
- Part 5. FAQs about Blu-ray VS HD DVD
パート1。 ブルーレイとは
It is a disc format that was initially developed to store high-definition films, which could amount to several hours in 720p or 1080p resolution. However, as it continues to be the dominant disc format, ブルーレイ can now stream 4K Ultra HD with the requirements of a 4K-capable TV and Blu-ray player. Another purpose of Blu-ray is to be a tool for distributing video games for many gaming companies, including PlayStation and Xbox. Although the disc measurement is the same size as CDs and DVDs, Blu-ray contains 25 GB in a single layer, 50 GB for dual, and can go up to 100 GB for a triple-layer disc. This is about three times the storage capacity of a standard DVD. When developed in 2005, Blu-ray came out in 2006 and was introduced worldwide by Blu-ray Disc Association.
長所
- Smooth and image details with the best 4K Blu-ray player.
- The Blu-ray storage capacity is capable of storing more data like movies, audio tracks, and special features.
- Able to store various types of media, including films, video games, and music.
- Most Blu-ray players are capable of playing other disc types and video formats.
- Compatible with many devices and assures future compatibility with other gadgets.
- Blu-ray disc definition can be up to 4K UHD.
短所
- Too expensive in many aspects, including the hardware and programs.
- Common players can’t play Blu-ray discs.
パート2。 What is HD DVD
HD DVD is another disc format known for its high-density storage and DVD quality. It was developed as the successor of the standard DVD, providing more storage capacity of 15GB for a single layer and 30GB for a dual layer. Unfortunately, HD DVD is no longer in production as it lost the format war with Blu-ray in the early 2000s. HD DVD was supported by many popular studios in the format war, including Warner Bros and Paramount Pictures. Still, Blu-ray became dominant as major companies like Disney, 20th Century Fox, and Sony Pictures supported it.
長所
- Provided 1080p of max DVD resolution with crisp pictures.
- It had a storage capacity of 3.2 times more than the standard DVD.
- Supported older CDs and DVDs for HD DVD playback.
- More affordable than Blu-ray in terms of hardware and programs.
- HD DVD was supported by common リージョンフリーDVDプレーヤー.
短所
- It became obsolete due to the loss in the format war.
- Only a few studios supported HD DVDs.
パート3。 Difference Between Blu-ray and HD DVD
The two formats are respectively reliable in storing data, content distribution, and video playback. However, it is important to differentiate their characters, especially if you want to use Blu-ray or HD DVD for your project. In this case, we will compare the two and their different aspects, including the storage capacity, price, region code, audio codecs, and so on.
| ブルーレイ | VS | HDDVD について |
| 25GB (single layer), 50GB (double layer) | ストレージ容量 | 15GB (single layer), 30GB (double layer) |
| 高い | 価格 | Inexpensive |
| Blue-Violet Wavelength | Laser Type | Red Wavelength |
| VC-1, MPEG-2 | ビデオコーデック | H.264/ MPEG-4 AVC |
| Dolby Digital, DTS, Linear PCM, Dolby TrueHD | オーディオコーデック | Dolby Digital, DTS, Linear PCM, DTS-HD Master |
| 4K フルHD | Maximum Video Resolution | 1080p |
| 40 Mbits | Maximum Bitrate | 29.4 Mbits |
| AACS-128bit, BD+ | Content Protection System | AACS-128bit |
| 405 nm diode laser | Read Mechanism | 405 nm laser |
| 3 Regions, Region-free | 地域コード | リージョンフリー |
| Blu-ray Disc Java | インタラクティブ性 | HDi Interactive Format |
| 64 KB ECC | Block Size | 4096 Bytes |
パート4。 Blu-ray vs HD DVD: Which One Do You Choose
After learning the difference between the two disc formats, you might’ve chosen one for your needs. In reality, Blu-ray is the only disc format to select for high-quality video playing or storing data. The number one reason is the discontinuation of HD DVD since its defeat from Blu-ray in the early format war. Although it should be the precedent of DVD, HD DVD is not in the production anymore. On top of that, the existing HD DVDs today are difficult to access since dedicated video players are no longer produced.
If you think HD DVD's resolution is wasted, Blu-ray surpasses it. You can also use the disc format to store or write data without worrying about its storage capacity. Unfortunately, its drawbacks include the expensive price of hardware and programs, and 安価なブルーレイプレーヤー will not do a good job. However, investing in Blu-ray is worthwhile since it provides all the best features a disc format can offer.
パート5。 FAQs about Blu-ray VS HD DVD
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Does HD DVD still exist?
Unfortunately, HD DVD is no longer available in the market. In the early 2000s, the disc format competed with Blu-ray, which became dominant and won the favor of the movie industry. If you still have HD DVDs, you can find specialized players that support the disc format. However, they have become very rare today.
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Do DVDs look better on a Blu-ray player?
No. A Blu-ray player is specifically designed for Blu-ray discs, which are higher in resolution and storage capacity than DVDs. Playing DVDs on a Blu-ray player will only result in the same resolution as playing them on a DVD player.
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Can an HD DVD play on a Blu-ray player?
A Blu-ray player will not recognize an HD DVD. This is because HD DVD and Blu-ray are incompatible in terms of physical and data structures. You will need a dedicated HD DVD player to play the disc.
まとめ
DVDs have existed since the evolution of technology and the distribution of movie films. There was an HD DVD, which offered sharper visuals, higher resolution, and more storage capacity. However, since the development of a new disc format, Blu-ray has surpassed all of these features. It became the most dominant disc type of the century, promising high-definition content, limitless storage capacity, and device compatibility. This concludes the review of the difference between Blu-ray and HD DVD.
