3G2 is a multimedia file format used for storing video and audio content. It is commonly used by mobile phones and portable devices for recording and playing back videos. 3G2 files are compressed and optimized for mobile devices, offering a balance between video quality and file size, making them suitable for mobile streaming.
AIFF is an uncompressed audio format developed by Apple. It is known for its high audio quality and is commonly used in professional audio recording and editing. AIFF files retain every detail of the original sound, making them ideal for use in music production and sound engineering.