AVI is a popular video format developed by Microsoft. It can contain both audio and video data in a file container and thus realizes synchronous audio-with-video playback. AVI with alpha refers to AVI video with transparency, or in other words, you can do further editing on the converted AVI with Alpha, for example, you can edit whatever background you like to the output AVI video. It is a common word in Adobe Premiere. It is with the advantage of video blending. You can composite a video by blending a video and a video with alpha. The result will be that one video shows above the other without covering it. This article is going to tell you how to convert SWF to AVI with alpha channel and how to import it into Adobe Premiere for further editing. First step, Import Transparent SWF file. This is the major interface of Aunsoft SWF Converter. Step1 Input SWF Click the button of “Addâ€, you will see a popup window, and then choose a flash with transparent background to input it into the file list of Aunsoft SWF Converter. The file name will present above the profile box after the SWF flash is input successfully. Step2 Output Setting To click the SWF file into AVI with Alpha, you need firstly choose corresponding profile. Step2 Output Setting To click the SWF file into AVI with Alpha, you need firstly choose corresponding profile. Follow the onscreen instructions to finish the converting and you will get your desired AVI video with alpha.
Follow the onscreen instructions to finish the converting and you will get your desired AVI video with alpha. Tips: if you don’t want to convert all the SWF to video, you can choose the beginning frame and the ending frame. And hit the button of “Apply†to trim your favorite frames. The problem is that after you have selected frames you need, you need to capture them from the beginning to the end because, you can only choose the fist frame and end frame when you choose “start play†in the previous step, so you need to capture them and finish the capture. After you finish the capture, click “Finished†to complete the capture. With the converted alpha AVI, you are free to edit the background, and customize the video whatever way you like. Now let me tell you how to embed this transparent AVI to Adobe Premiere and customize your AVI video. Step 1 Import AVI with Alpha into Adobe Premiere Pro Now the output AVI with alpha is successfully imported. Step2 Import another regular video or image and add it onto the AVI with alpha as background.
why on EARTH would you desire tpo encode ANYTHING to an AVI in the 21st century?! go H264 or some other higher quality format. Plus, I mean, SWF is vector, I can't see how encoding a vector (resolutionless) format at any quality is an advantage....
a friend told me this tool is the best,maybe you can try.it can convert SWF to any video formats,such as convert video from flv swf to avi, mpeg, Apple iPod, Apple iPhone, Apple TV, Sony PSP, Mobile 3gp, Microsoft Zune, wmv, flv, mov, mp3, wmv, ogg, wav. hope it can help you,hehe...