This has not been confirmed but none of the info is actually amazing. I like what I see so far. Here is the tranlated Chinese to English actually posting of the leak.
http://www.chiphell.com/thread-587771-1-1.html
FTA
EA internal message here to bring you some absolutely confidential, confidentiality Oh! There are the suspected Chinese American EA employees yesterday broke the news on a domestic Internet, that they participated in the internal EA's "Battlefield 4" conference "Battlefield 4" Alpha version of the conference to show initial anonymity staff Battlefield 4 "the first batch of a large number of details leaked to the low-key domestic players. Of course, the employee also said players can also choose not to believe this broke the news, but today, a year after the gravedigger, to the time at a glance the true and false. Xiaobian here can not be 100% to ensure the accuracy of the information, we had an idea to take a look at the large number of employees broke the news!
Game Offering landing platform:
1. "Battlefield 4" Release Date tentative October 23, 2013.
2 Battlefield 4 "R & D projects just to start soon, the development cycle is only about 1 year.
3. "Battlefield 4" will visit the PC, PS3, XBOX360, as well as the next generation of host PS4, and XBOX720 (let's call it!), Yes, the work will also visit the PC, the era of the host as well as next-generation consoles, domineering, right?
4. "Battlefield 4" so short-cycle development, sale with the next generation of the host on sale in time for 13 years is closely related to the first episode this make you want to grab the next generation of consoles. Game system information: 1. Commander system official return, and log in directly through the peripheral, such as iPAD concrete realization method temporarily unknown, but can be determined definitely can exist out of the game running body. The game automatically login required throughout the network, support for cloud storage archive. 3. Started friendliness will once again raise to the players to take care of COD. 4. Support the Somatosensory with voice commands, voice commands for Commander system. 5. Combat log (Battlelog) will be further strengthened, and the integration of game statistics will be more perfect. Game support video recording function (this uncertainty, the employees get distracted, not carefully hear!), But will certainly support video sharing, you can play good video directly through battlelog Send to a friend. The game may be built-in store system, sold like items of DLC. The game ontology content: 1 game camp was expanded to three, including the United States, Russia and China, that's right, that is, in Battlefield 2! 2 game characters will be introduced for the first time the gender system, the female official arrival! Line and shot more interesting, is not it? The PS employees at the same time revealed that China's female looks a bit like a stick country next door, it is very tragedy! 3 game engine is still frost 2.0, not many new technologies, mainly tessellation, dynamic lighting, and light. Three major platforms including PC PS4 and XBOX720 will support both 64 ** Battle, but XBOX360 and PS3 platforms will not support the number of so many people, the exact number is unknown. 5.PC, PS4 and XBOX720 platforms will provide a stable 60 gaming experience (PC depending on configuration, fever may reach over 100, the Xiaobian hanging wire machine it 10 may). % D0 K! C0 P $ P0 @ 6. early demo video game EA internal conference on display, the screen can reach at least the 2011 the GDC Assembly on show the extent of Battlefield 3 (Here literacy, EA officially released "Battlefield 3" actual castrated version of the original official demo version). 7. "Battlefield 4" will play 80% of the power of frost 2 engine, Battlefield 3 "is only 30% -40%. 8. "Battlefield 4" background set is still modern, this earlier EA official has confirmed. In addition, employees also revealed a final "Battlefield 3" DLC "(End Game)" Some new details: 1. added four new maps, actually may just be the old map revision. 2 new air war mode, similar to the Armored Fury Battle City / armor advantage mode. 3 new Double prevention and control vehicles and two-wheeled motorcycles and other vehicles. 4. Increase in new jobs and new achievements. - the one to the players on the earlier EA **:
Thu Feb 08, 2018 7:49 pm by 
Subject: BF4 beta release 
http://blogs.battlefield.com/2013/09/battlefield-4-beta-dates/