A: Some non-English packs used lower-bitrate audio to save space. The full English .21 pack uses higher-quality WEM files, which may marginally increase memory usage. Lower your sound quality in the options menu if needed.
A language pack is a software package that contains translations of a game's text, audio, and other content into a specific language. In the case of Call of Duty: Black Ops 2, the English Language Pack allows players to experience the game in English, including subtitles, menus, and audio. Call Of Duty Black Ops 2 English Language Pack.21