AMR to iPhone Audio Converter

Convert AMR to iPhone Audio online, for free.



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Auto
Sets how the audio is encoded. "Auto" suits most conversions. "Copy" reuses the audio as-is, so it is fast and keeps full quality, but only when the output format supports it.
100% represents the original volume. To double the volume, increase it to 200%. To reduce volume by half, select 50%
Fades the audio in at the start of the output.
Fades the audio out at the end of the output.
Enable if you want to reverse audio stream
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How to Convert AMR to iPhone Audio?

  1. Click the “Choose Files” button to select your AMR files.
  2. Click the “Convert to iPhone Audio” button to start the conversion.
  3. When the status change to “Done” click the “Download iPhone Audio” button

Easy to Use

Simply upload your AMR files and click the convert button. You can also batch convert AMR to iPhone Audio format.

Best Quality

We use both open source and custom software to make sure our conversions are of the highest quality. In most cases, you can fine-tune conversion parameters using “Advanced Settings” (optional, look for the icon).

Free & Secure

Our AMR to iPhone Audio Converter is free and works on any web browser. We guarantee file security and privacy. Files are protected with 256-bit SSL encryption and automatically deleted after 8 hours.


Adaptive Multi-Rate (AMR) is a compressed audio file that is often used for speech coding. The AMR speech codec focuses on narrowband signals, which makes it ideal for voice recordings and radio. It is used regularly in Global System for Mobile Communications (GSM) and Universal Mobile Telecommunications System (UMTS).

 

How to open an AMR file?

Since AMR files are often used on mobile phones, including for MMS messaging, most 3G mobile devices are able to open them. AMR also opens with VLC media player, QuickTime, RealPlayer, and Xine.

 

Other software, such as the free audio-editing software Audacity, can open AMR files. Download audacity easily at SourceForge.net. Because AMR files are heavily compressed and focused on narrowband signals, they are not suitable for music files.

 

Developed by: 3rd Generation Partnership Project (3GPP)

Initial Release: 1999

Useful links:

https://en.wikipedia.org/wiki/Adaptive_Multi-Rate_audio_codec

https://www.etsi.org/


iPhone Audio is an M4A file encoded for Apple iPhone, containing AAC audio in an MPEG-4 container. AAC delivers noticeably better sound than MP3 at the same bitrate, which is why Apple adopted it as the default for the iTunes Store and for music on iOS. Choosing this preset produces a file the iPhone plays natively, with artwork and track tags intact.

 

How to open an iPhone Audio file?

On the phone, the file plays straight away in the Music, Voice Memos, or Files app — nothing extra is required.

 

To get the file onto the device, sync it through iTunes, the Finder on macOS, or iCloud Drive. On a computer the same M4A opens in iTunes, the Apple Music app, Windows Media Player, VLC media player, and every major web browser. For maximum compatibility with older devices, convert it with our M4A to MP3 tool.

 

Developed by: Apple Inc.

Initial Release: 2007


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