Adobe Flash Media Encoder Aac Plugin
Flash Media Live Encoder streaming with AAC Audio requires a plug-in from MainConcept. This is only for those providing Live Streaming from a PC. AAC Audio Live. Flash Media Live Encoder streaming with AAC Audio requires a plug-in from MainConcept. This is only for those providing Live Streaming from a PC. AAC Audio Live.
Configuring Your Streams FMLE can stream in both VP6 and H.264 formats; I think H.264 is the better choice at this point. Adobe supplies multiple templates for each format in the presets list box (Figure 5, below), which may provide a good starting point, but definitely should be customized as discussed below. For the purposes of this discussion, I'm going to assume that you'll manually configure your settings. Adobe templates provide a good starting point. Start by choosing H.264 as your Format, then click the wrench next to the Format tab to open the Advanced Encoder Settings dialog shown in Figure 6 (below).
Adobe defaults to the Baseline profile for all their templates, I would use that as well. Most Adobe templates use a Keyframe Frequency of five seconds. I use that value when streaming multiple files, but use ten seconds when streaming a single file, as we are here.
Fine tuning the H.264 encoding controls Now let's choose our stream configuration options (Figure 7, below). I typically stream at full frame rate, though if I'm working with constrained outbound bandwidth, I may drop to 15 frames per second (fps).
The Input Size has to match the actual input of your video; otherwise you'll lose the preview and the incoming stream. On the bottom of the screen, note the Deinterlace and Timecode options as well as cropping. FMLE deinterlaces by using a simple blur filter, so you're much better off working with progressive source if you can. Setting stream configuration options When choosing your Bit Rate, your most important consideration is the outbound bandwidth of your connection, which you should measure well before the event. I use Speedtest.net (Figure 8, below), which is a free service that measures ping time, download speed and upload speed. As you can see in Figure 8, my max upload speed is.87 Mbps (or 870 Kbps), which is why I'm keeping the data rate in Figure 7 at a conservative 664 Kbps combined audio/video data rate.
Measuring your connection speed If you get too aggressive with your data rate, FMLE won't be able to deliver the encoded stream to the streaming server in real time, leading to pauses on the viewing end. In my view, it's better to use a bit lower data rate and reduce quality a bit, than to risk delays during viewing, though you can control both options directly in the Auto Adjust control discussed below. Back to Figure 7 for a moment: Note that I'm streaming at 64 Kbps mono (as promised) in.MP3 format, not AAC, the usual partner to H.264 streams. That's because FMLE doesn't include AAC encoding, though you can.
As a producer of video on the web, you know that you're judged by the quality of your video. In this regard, many producers are considering converting from the venerable On2 VP6 codec to H.264.
H.264 offers better visual quality than VP6, and the AAC audio codec offers much better quality than the MP3 codec paired with VP6. Starting with, you could play back files encoded in H.264/AAC formats. As of September 2008, the penetration of H.264/AAC-compatible players exceeded 89% in all Internet-connected PCs. No wonder they're switching over.
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Adobe Flash Media Live Encoder Aac Plugin Free
This article first discusses the issues involved in such a changeover, including the potential requirement for royalties. I then describe the H.264-specific encoding parameters offered by most encoding programs.