AMR is an audio format primarily used for speech compression. It’s commonly used in mobile phones for storing voice recordings, such as voicemail messages or memos. AMR files offer efficient compression while maintaining adequate sound quality for speech applications.
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.