The .mov multimedia format is a MPEG-4 video container commonly associated with Apple's QuickTime framework. It is the movie file format most commonly praised for bringing feature length in-color movies to the Macintosh with the initial release of QuickTime in 1991. This was before anything comparable was available for the personal computer and Microsoft Windows operating system. This movie format supports multiple sequences of data or tracks categorized into audio, video, effects, and text such as subtitles. A .mov file is considered a resource file. Thus it may or may not be final i.e. it may be self-contained where all video frames and or audio samples are within the file or it may refer to external sources such as other files or data streams using movie references.
The .amr filename extension refers to the adaptive multi-rate audio codec initially released in 1999. The format is typically used to encode speech audio and is optimized for this purpose. It can encode speech into one of two file version, either AMR-NB (narrow Band) or AMR-WB (Wide Band) which supports a broader frequency. Because of its optimization for speech audio, the format has been widely adopted as the standard speech codec for GSM and UMTS mobile phone networks by the 3rd Generation Partnership Project ' a collaborative group of organizations in the telecommunications industry.
FreeFileConvert uses tuned encoding for MOV to AMR conversions, preserving clarity while trimming file size. Finished audio streams instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload MOV files from desktop, tablet, or cloud storage, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized AMR results on any device you rely on.
Process up to 5 files sized 1000 MB per batch without splitting queues manually. Mixed-format uploads convert together, producing consistent AMR audio with dependable progress tracking.
As per the original specification by apple, QuickTime movie files, .mov files, are stored and encoded as binary data. The format supports both nonlinear interactive media as well as time based media. The format is highly extensible and is structured through a collection of atoms, not all of which are required to play the contents of the .mov file.
AMR format encodes narrow band signals between 200 and 3400 hertz at a maximum bitrate of 12.2 kilobits per second. The format employs the ACELP ' Algebraic code-excited linear prediction algorithm, a proprietary speech encoding method created by the VoiceAge Corporation.
Upload your video file in the MOV format from your device, Dropbox, or Google Drive.
Select AMR as the output format and click Convert. Adjust optional settings if needed.
Download the converted audio file. Each file stays available for up to 5 downloads.