该CDDA文件扩展名是被称为CD数字音频文件的数据格式。 CDDA文件都来自于使用CD数字音频规范格式化一张CD翻录音频文件。它们被用于CD音频数据保存到计算机,并刻录新光盘。这些文件首先被用来作为规范的“红书”,是由飞利浦和索尼于1980年开发的格式,这些文件被用来为家庭和汽车CD播放器。他们还与苹果iTunes的多媒体播放器和iOS设备管理应用程序的关联苹果Mac OS X和微软Windows。这些文件使用的44.1 kHz的采样速率,这大约是出现频率最高的双可听人类大约22千赫。文件中的CDDA格式,可以打开与苹果的iTunes,苹果的Logic Pro 9和苹果逻辑在Mac系统快递9,同时苹果的iTunes在基于Microsoft Windows的系统。
Apple iTunes is a software categorized as a media player computer application for playing, downloading, organizing and saving various files, which are digital audios and videos. There is also a feature that enables content managements from iPod models, iPad Touch, iPhone, and iPad. This software can be connected to iTunes Store so a user can download or buy music, videos, audio books, ringtones or even games for iPod in just a click of a button. In fact, it allows the download of various applications via the App Store for some Apple devices, which are iPod Touch, iPhone and iPad. The downside of this is that it does not enable music transfer from one device to another unit. This program is compatible for Apple’s Mac OS X version 10.6.8 and other later versions, but also works for current Windows OS such as Windows 7, Windows XP and Windows Vista, then for the upcoming Windows 8.
Apple Logic Pro 9 is a digital audio workstation software and also a MIDI sequencer. It enables an individual to write music, record, mix and edit anything created with the tools and features integrated on the program. There is a huge collection of sources for music making from instruments to sound effects as well as loops. It has surround capabilities and full automation tools as well. The editing functions which are accessed on the menus, toolbars and controls make your music creation more exciting, easier and quicker. In fact, you can customize the transport areas and toolbars for a personal touch. It is designed for beginners and even professionals as there are templates which you can use either for scratch or with guides and just customize to make it more original. There is also Track Import that is selective which means you can re-use any recordings and settings from different music projects or audio files. The writing tool has various capabilities too so you can make your own melody, harmony and beat to create original songs or music.