ตัวแปลงไฟล์ออนไลน์ฟรี M4R เป็น DTS

M4R - is a digital multimedia container format used to store audio in mono channel mode. This format is suitable for store ringtones and it is widely used by Apple iPhone for its ringtones. Needless to say that M4R and M4A formats shares many similar features.

Is a recording format, designed for use in movie theaters. Who is a direct competitor of Dolby Digital. It is used to accompany the film with the movie, as well as on optical video discs. It supports two modes of audio: 5.1 and 7.1, allows full bit rate in high end home theaters.