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Jul 14, 2021 Free programs for converting AMR to MP3 formats are available as well, and one of the widely used tools is Wondershare Free Video Converter. Once installed on your Windows and Mac, the program allows conversion in over 1000 formats.
| Name | AMR | MP4 |
| Full name | AMR - Adaptive Multi-Rate | MP4 - MPEG-4 Part 14 |
| File extension | .amr, .3ga | .mp4, .m4a, .m4p, .m4b, .m4r, .m4v |
| MIME type | audio/amr | video/mp4 |
| Developed by | 3GPP | International Organization for Standardization |
| Type of format | Audio compression format | Media container |
| Description | The Adaptive Multi-Rate (AMR or AMR-NB or GSM-AMR) audio codec is an audio compression format optimized for speech coding. AMR was adopted as the standard speech codec by 3GPP in October 1999 and is now widely used in GSM and UMTS. | MPEG-4 Part 14 or MP4 is a digital multimedia format most commonly used to store video and audio and store other data such as subtitles and still images. Like most modern container formats, it allows streaming over the Internet. |
| Technical details | AMR speech codec consists of a multi-rate narrowband speech codec that encodes narrowband (200-3400 Hz) signals at variable bit rates ranging from 4.75 to 12.2 kbit/s with toll quality speech starting at 7.4 kbit/s. Sampling frequency 8 kHz/13-bit (160 samples for 20 ms frames), filtered to 200-3400 Hz. | Most kinds of data can be embedded in MPEG-4 Part 14 files through private streams. A separate hint track is used to include streaming information in the file. |
| File conversion | AMR conversion | MP4 conversion |
| Associated programs | Audacity, FFmpeg, MPlayer, QuickTime, VLC media player | Windows Media Player, RealPlayer, MPlayer, Media Player Classic, VLC Media Player, K-Multimedia Player |
| Wiki | https://en.wikipedia.org/wiki/Adaptive_Multi-Rate_audio_codec | https://en.wikipedia.org/wiki/MPEG-4_Part_14 |
AMR is an audio coding format designed for cell phone voice recordings. Can’t open AMR on your device? You should try AMR to MP3 converter to make it compatible with your device. Here lists the 5 best free AMR to MP3 converters in this post.
AMR files are compressed audio files that take less storage space than MP3. But the biggest disadvantage is that it’s not compatible with some media players. If you need to play AMR files, you’d better convert AMR to MP3. Plus, if you want to MP3 to other formats, give MiniTool Video Converter a try!
Free Amr To Mp3 Converter free download - Allok MP3 to AMR Converter, Free M4a to MP3 Converter, MP3 Converter, and many more programs. Switch Audio File Converter is another free-to-download audio converter worth exploring. While it offers the core functions of the best audio file converters (support for many file formats, batch conversions, and audio extraction from DVDs and video files), it also has an interesting range of advanced settings as well.
In this post, I’ll show you the 5 best free AMR to MP3 converter for Windows, Mac, and web browsers.
AMR to MP3 Converter for Window & Mac
For Windows and Mac users, this part introduces 3 AMR to MP3 converter software.
#1.Switch Audio File Converter
The first AMR to MP3 converter I’d like to recommend is Switch Audio File Converter. It’s an audio converter that works on Windows, macOS, Android, and Kindle. It can convert between over 40 audio formats, rip audio from DVDs and videos, and normalize audio. Besides, you are able to convert multiple AMR audio files into MP3 format at once.
By using this AMR to MP3 converter, you can convert AMR to MP3 without limitations.
Related article: How to Convert AMR to WAV – Solved
#2. VLC
The second AMR to MP3 for Windows & Mac is VLC. VLC is a powerful media player. Also, it can be used as an audio converter. It supports converting to/from any popular audio and video formats such as AMR, MP3, WAV, MP4, MKV, AVI, and many more.
Additionally, this free AMR to MP3 converter allows you to stream videos from video sharing websites and download streaming videos.
#3. iTunes
The third recommended free AMR to MP3 converter is iTunes. It is a built-in program on macOS developed by Apple Inc., and it is also available for Windows. iTunes is often used to listen to music, podcasts and watch movies & TV shows. As a conversion tool, it can easily convert the most popular audio formats to MP3 including AMR to MP3, AIFF to MP3, and M4A to MP3.
Want to know how to download podcasts from iTunes? See this post: Solved - How to Download Podcasts to Computer.
Amr To Mp3 Converter Free Download For Mac Computer
Online AMR to MP3 Converter
If you want to convert small AMR files without extra programs, an online audio converter is a good choice. Here gives you 2 online AMR to MP3 converters.
Convert Amr To Mp3 Mac
#1. Convertio
As an online AMR to MP3 converter, Convertio can handle AMR to MP3 conversion online in minutes. Except for AMR to MP3 conversion, other conversions can be done with Convertio because it supports over 300+ different formats.
Unlike AMR to MP3 converter software, Convertio lets you import files from cloud services, URL, and local.
Amr File Converter Free
#2. CloudConvert
Another online AMR to MP3 converter is CloudConvert. It supports a wide range of file formats and can be used to convert other file types except for audio. With it, you can convert AMR to MP3 at a fast conversion speed free of charge.
Conclusion
This post introduces the 5 best free AMR to MP3 converters. Some works on Windows and Mac, while some are web-based. Choose the one you prefer and try it now!