Apple has announced that it will release the financial results for its fourth fiscal quarter on October 21. Of particular note in the release will be sales information for the iPhone 3G’s first quarter on the market. Alongside its earnings statement, Apple will hold a conference call to discuss the financial results which will begin at 2:00 p.m. PDT, October 21. The developers of Handbrake, a popular open-source DVD to MPEG-4 converter, are…