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Free CyberLink PowerDirector 12 LE Giveaway!!

CyberLink cooperates with SharewareOnSale to offer a PowerDirector 12 LE giveaway recently. For only 3 steps, you can get a free copy! Only 3 days left! A good news is that this is a 1-computer lifetime license for home or business use, which means you can install it in your company computers!

PowerDirector 12 LE Giveaway

Software Name: PowerDirector 12 LE
Giveaway Link:, or,

The procedure of getting the offer is very similar for both links. I just take one of them as an example to show you how to get it.

免費下載:H.264和MP4文件格式的標準/規範 官方文件


對於要學習 H.264 和 MP4 文件格式的人來說,看懂官方的標準/規範是十分重要的。以下是有提供免費下載的鏈接:

H.264 (MPEG-4 Part 10 / MPEG-4 AVC), Advanced Video Coding

ITU-T 和 ISO 網站中均有提供。在ITU-TH.264 被分類在 Series H: Audiovisual and multimedia systems 中而在ISO,它是在ISO/IEC 14496 (MPEG-4)中(Part 10)。如果要學習H.264和MP4的關係,Part 15也有參考價值,但需付費購買。


Free Download: H.264 and MP4 file format Standard / Specification

Studying the standard is very important for learning H.264 and MP4 container format. Here are the download links of the free official documents.

H.264 (MPEG-4 Part 10 / MPEG-4 AVC), Advanced Video Coding

It is available on both ITU-T and ISO website. H.264 is in Series H: Audiovisual and multimedia systems in ITU-T while it is in Part 10 of ISO/IEC 14496 (MPEG-4) in ISO. If you need to study the relationship between H.264 and MP4 container, you should also refer to Part 15 (not free).