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Frequently Asked Questions

Why is my audio losing sync?

Flash Presentation, Video & Animation Software | Wildfor...
Flash SWF video has two framerates: a) a video framerate, which is the number of distinct video frames per second in your video, and b) a SWF framerate, which is the number of SWF frames in your final Flash video. These are not the same thing and you have to keep track of both - and how they relate to each other and to the source video framerate. Flash video is different in this way then standard video which has only a single video framerate. (Note: This does not apply to FLV video.

My audio is not in sync with the video, what can I do?

Mediagate MG-25 FAQ | Urban Giraffe
If the video plays back on your computer without problems then your best option is to re-encode the video and choose different video and audio bit-rates. See the FAQ on how to stop movies jerking.

My audio and video fall out of sync. What can I do?

MediaFrame (mediaframe.org), frequently asked questions (FAQ...
This is usually to do with the speed of the system used for encoding. Older and those machines with low RAM will have trouble encoding video and will often produce video that falls out of sync. The power of the playback machine is also a factor. The larger the viewable video area, the more resources required for seemless playback. You will need to weigh up the average system of your users with the size of the video that you provide, or look to offer multiple sizes.

Why are the audio and video out of sync?

There have been numerous reports of "lip sync" problems, where the audio lags slightly behind the video, and even reports of the audio coming before the video. Perception of a sync problem is highly subjective--some people are bothered by it while others can't discern it at all.

Video and Audio appear to be out of sync, how can I fix that ?

WeetHet - Video - Yamakawa 513/715 FAQ
This appears every now and then due to regionfree mode or at playback of an NTSC movie on a PAL TV-set or viceversa. Change region and/or TV-format.

Why sometimes my video and audio is not sync to each other in the result avi?

FLASHANTS Tutorial - FAQ(Frequently Asked Questions
The synchronization result of video and audio is highly depend on the computer performance. Please quit all other programs including any background jobs during conversion. Sometimes, the streaming audio in flash movie will cause the out of sync problem. To get the best result, we suggest to change the streaming sound to event sound, and disable the "Audio Streaming" setting in the Publish Setting Dialog Box when you export flash to swf.

What can I do to correct trouble with sync between audio and MIDI data?

Frequently asked questions
First, try enabling the "Uses Wave Out Position For Timing" setting under Options | Audio | Advanced. If problems persist, disable the Wave Out setting and consult the chart available at http://www.cakewalk.com/Support/Docs/DMASettings.htm for the proper settings of your sound card. (Back to top)

The audio on my encoded video is slow and out of sync with the video. What is wrong?

VITEC Multimedia
Your system needs the most recent drivers and software. Download and install the latest version from the updates page then run the hardware tune-up utility. If the source is a NTSC source , "Drop frame mode" must be checked in the "Advanced MPEG Properties" page to avoid a lip sync loss.

How many times can I listen, burn, and sync audio books?

Simply Audiobooks - FAQ
There is no limit to how many time you can listen to an audio book. There are some limitations on how many times you can burn or sync your audio book download. Majority of the audio books can be burned and/or synced up to 3 times; however, some publishers have a limit of 1.5 times.

Can I sync the audio and the video when converting the flash file containing interaction?

FLASHANTS Tutorial - FAQ(Frequently Asked Questions
No, you can't. As the audio and video is converted within 2 different phases, it is impossible to sync audio and video because the interaction between these 2 phases cannot sync to each other. However, we'll try to solve this problem in future release.

The converted video and audio get out of sync when I play it on cell phone. Why?

Any Video Converter is a professional video converter which ...
It is quite possible your phone requires different settings with what we offered or you set. Please get to know more about what proper settings for frame rate, as well as some others your phone can support. If the Advance button is disabled, after you click Audio tab and please click Volume button in Sound Recording panel and then you will see a pop-up window, and choose Properties in Options menu and then please check Stereo Mix in the list.

Should I back up before I sync?

OggSync - Google Calendar to Office Outlook and Windows Mobi...
It’s always a good idea to back up your Exchange and Google calendar before you use any automated synchronization software. Yes, use OggSync for Outlook which provides a rich set of sync options for each calendar. You can choose how other Exchange users will see your Google synced events, if at all. You can also create a new Outlook calendar to sync your full calendar to. Yes, OggSync supports a full two way synchronization.

What are the different sync signals and how they work ?

ePanorama.net - Circuits
Currently, most TVs and computer monitors are still based on the Cathode Ray Tube (CRT) as the display device. Normal video monitor uses raster scanning to draw the picture to the catode ray tube. The electron beam moves in lines, from left to right and from top to bottom. When the beam reaches the end of a line, it returns at greater speed to its original starting point. When it goes back, brightness is suppressed for a split second.

How do I submit audio?

Frequently Asked Questions - Associated Content
After you log in, click on the Publish tab, select the audio template and complete all required fields.

Why does spawn fail with "sync byte ...."?

Expect FAQ (Frequently Asked Questions)
When I spawned a process using Expect, I got the following message: parent: sync byte read: bad file number child: sync byte write: bad file number This is one of these "should not happen" errors. For example, the following question in this FAQ mentions that it could be the fault of the C library. Another possibility is that you've run out of some system resource (file descriptors). The most likely reason is that you're calling spawn in a loop and have neglected to call close and wait.
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