Remote Long Distance Audiovisual Data Transfer

yes its called the internet.

or radio.

or mobile phones with mms

Or did you mean this?

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The easiest way is to use FTP on the internet. Download a suitable free FTP server like www.serv-u.com (personal edition) and have the remote party use something like FTP Voyager or WsFTP Le to transmit and receive the files of any size (I guess it would be limited by your own ISP account and bandwidth. The local user simply gets files from the FTP file location on the local computer using explorer or places files on the same place for downloading by the remote party.

This is how movie companies release their new releases internationally using the exact same technology. Cheers

Cheers

yes, they've just come out with this new thing - it's called 'The Internet' and it's perfect for your application.

Legally? You own the copyright to these movies? ↓

There is a utility called "dropbox" that I have used to upload large files to the internet which can then be downloaded by others. It installs a virtual folder on your hard-drive which you "sync" to the net. You then copy a link and email it to your friend. They download at their leisure.

Takes a little while to "sync" your folder but no anywhere near as long as to email and allows you to share with multiple users easily.

Not sure what the file size limit is (I've not used it for video myself) but I've uploaded some pretty darn big files and shared them this way.

https://www.dropbox.com/

There is a reasonably priced point to point video system called Slingbox. http://www.slingbox.com/

This allows you to watch videos or TV remotely. In order to address the copyright issues the system can only be used with a single receiver. This would enably you to watch a video with a friend.

Last year I think it was I saw where as a test, a 50G blue ray type movie was sent from France to some research center in the US in under 10 seconds. Yes, it is the Internet , but don't think you can even think about purchasing that kind of bandwidth.

This was testing on what some are calling Internet 2.0 - but just like DARPA had DARPANet running years before 'common folk' found it as the Internet, it will be a while before you get access to the 'new net'.

You can, if you have enough $$ always purchase or lease dark fiber and get off the shelf 10GB fiber networking equipment. But don't expect to get it for what your local cable company will sell you bandwidth for.

As a friend has said many times: speed costs, how fast do you want to go?

Thanks. I think I should have properly clarified that what I'm thinking of is a system that literally sends the large audiovisual file instantly and does not require waiting for the whole download process etc etc. So the issue truly is speed. I'm in the new product development dept of a firm and this question came up: can we have a system/process that will send movie files at the same speed that we currently send and recieve ordinary text messages???If not what are the constraints. Thanks guys. ideas are most welcome

simple answer no.

unless you are linked up with a large bandwidth fibre optic link as video files contain a lot of information.

and text messages contain very little information.

its down to the size of the transmitted information.

think of it as trying to send a large book via text or a post card by text which one do you think would be easier to send ?

The answer is yes. It will send and receive movies at the same speed you do ordinary text messages. But the trick a ordinary text message is measured in bytes (300 to 1000, even a megabyte or 1,000,000 bytes can go pretty fast.

A typical DVD is up to 4.5Gig or 4,500,000,000 bytes and BlueRay is up to roughly 11 times the size of a DVD or 50Gig, or 50,000,000,000 bytes so you can see over the same 'pipe' it takes to send lots of 'ordinary' text messages there to be roughly even one movie. The open internet does not have 'infinite' capacity to carry messages, and most have pretty much equal priority. So unless you are willing to build your own network in some way, or pay a provider for much more dedicated bandwidth it isn't going to happen.

Now, folks like NetFlix provide DVD quality movies (I think 720i is their target), by streaming video. Streaming allows dropping packets sometimes without to much degradation in quality. And over lower speed links (on the consumer end) sometimes they buffer ahead several minutes before they play, and they lower the quality of the picture at the same time (this happens to me, our bandwidth is not good, but NetFlix still works usually). Other streaming technologies like done for audio files, 'net cam's', and the like do similar things, even some audio services like skype and internet radio providers.

I hope this helps more than just a 'yes' or 'no' answer like you requested.

Try the Intuit Company (Homestead).

Your best solution to the problem at hand is to reduce your file size with some form of compression such as an MPEG flavor and then either use FTP or Xfer the file over a fiber link. At work from time to time we send video files as a compressed MPEG format over a T-1 ckt however it still takes quite a while to send/receive a 30 minute show. Bandwidth is the key, the more the merrier.

There is a second factor after 'raw speed', it is latency. Basically delays in propagation of packets over the internet. It can be caused by 'higher priority' packets, switches along the way not recognizing or passing along prioritization information (this happens a lot, especially when you go to common carriers, they say they don't, but it happens).

A few years ago at an Asterisk conference (the open source IP phone system), various vendors were talking about how to keep from having problems with packet prioritization outside of private networks (like across the open internet). The only way they all found that really worked is to get more guaranteed bandwidth than they really needed. Even at that they had to work with their network vendors to see that they really got what they ordered, especially when they were to get 'dedicated bandwidth'.

High latency doesn't keep packets from flowing, but it keeps acknowledgements from getting returned, kills interactive use, and you can find more packets arriving out of order more frequently as a byproduct. ... Our internet access is poor where I live, so I got a satellite with bidirectional satellite data link. The latency was so bad that for interactive use, it was effectively the same speed as using dialup. We were having 1250msec (yes, 1.250 seconds) of propegation delay. How poor is our dialup? It is at best 24Kbaud (yes, with error correcting 56K matched modems on each end - and I tried many settings) due to, as the AT&T guys put it 'bad copper' in the wires. And no, cable and DSL are not available here either. We are currently using a cell phone based internet connection that is about equal to 100Kbaud, or roughly two bonded 56Kbaud connections, on a good day. And not all days are good. Some days it is down to 16Kbaud equivalent throughput.