Neowin.net

Apple today announced that the next release of its pro video editing software Final Cut Pro 4 is set to go on sale at 4PM on Saturday, June 14th.

Participating Apple Authorized Resellers and Apple retail stores will have the software in hand at that time. What's more, a "4@4" kick-off event will also take place at selected stores, with theater demos and presentations given by professional editors who use Final Cut Pro in their work.

Apple first revealed Final Cut Pro 4 at this year's National Association of Broadcasters (NAB) 2003 convention. The new version introduces more than 300 new features, including "RT Extreme," real-time compositing and effects. Other new features include new interface customization tools; high-quality 8 and 10-bit uncompressed formats; 32-bit floating point per channel video processing; dynamic and asymmetrical trimming support; and enhanced audio editing capabilities.

Final Cut Pro 4 will also ship with three new applications -- an advanced titling application called LiveType; Soundtrack, used for music creation; and Compressor, a batch transcoding application.

News source: MacCentral

TCP breaks down large files into small packets of about 1500 bytes, each carrying the address of the sender and the recipient. The sending computer transmits a packet, waits for a signal from the recipient that acknowledges its safe arrival, and then sends the next packet.

If no receipt comes back, the sender transmits the same packet at half the speed of the previous one, and repeats the process, getting slower each time, until it succeeds.

This means that even minor glitches on the line can make a connection very sluggish. Because Fast TCP uses the same packet sizes as regular TCP, the hardware that carries messages around the net will still work. The difference is in software and hardware on the sending computer, which continually measures the time it takes for sent packets to arrive, and how long acknowledgements take to come back.

This reveals the delays on the line, giving early warnings of likely packet losses. The Fast TCP software uses this to predict the highest data rate the connection can support without losing data.

Since the packets are the same size as those used in TCP, none of the equipment along the internet itself will have to be modified, and no new hardware will be needed on computers receiving the data.

The first practical test of Fast TCP took place in November at a supercomputing conference. Researchers from Caltech, Stanford and CERN near Geneva in Switzerland, sent data 10,000 kilometres from Sunnyvale, California, to CERN at an average rate of 925 megabits per second. Ordinary TCP managed just 266 megabits per second on the same routes.

By ganging 10 Fast TCP systems together, the researchers have achieved transmission speeds of over 8.6 gigabits per second, which is more than 6000 times the capacity of ordinary broadband links.