ConverterFactory is a free & online convert AMR to OPUS file in the cloud, you can easily and quickly use our convert services via browser for PC, mobile or pad, and we also support convert of over 140+ audio, video, document, image and more file formats.
AMR is a file format for storing spoken audio using the AMR codec. It is an audio format optimized for speech coding and is used widely in GSM and UMTS (3G) mobile phones for voice recordings. It is also used for streaming audio over the internet. AMR files have a .amr extension.
OPUS is an audio coding format developed by the Internet Engineering Task Force (IETF) and standardized by the International Telecommunications Union (ITU). It is a lossy audio compression format designed for both speech and music.
Before preparing to convert amr documents, we need to choose a computer, mobile phone, PAD comes with Chrome, Edge, Safari and other browsers, and enter https://converterfactory.com/amr-to-opus website to open the amr to opus conversion page.
STEP 1
Choose AMR files to upload to ConverterFactory website for conversion
STEP 2
Select the target output OPUS format for conversion
STEP 3
Download the converted OPUS file