M4P to AMR Converter

Convert M4P to AMR online, for free.



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Audio Options
Choose a codec to encode or compress the audio stream. To use the most common codec, select "Auto" (recommended). To convert without re-encoding audio, choose "Copy" (not recommended).
100% represents the original volume. To double the volume, increase it to 200%. To reduce volume by half, select 50%
Enable if you want to reverse audio stream
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How to Convert M4P to AMR?

  1. Click the “Choose Files” button to select your M4P files.
  2. Click the “Convert to AMR” button to start the conversion.
  3. When the status change to “Done” click the “Download AMR” button

Easy to Use

Simply upload your M4P files and click the convert button. You can also batch convert M4P to AMR 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 M4P to AMR 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 2 hours.


Apple iTunes Music Store (M4P) file is an Advanced Audio Coding (AAC) file that protects its content with Digital Rights Management (DRM) technology. Essentially, Apple uses this file format to prevent unauthorized use of the music files that are available for download from the iTunes Music Store. The specific name of Apple’s DRM protection is “FairPlay,” which is precisely what protects the content in M4P files.

 

How to open an M4P file?

Since M4P files protect iTunes files, naturally the default program for opening them is iTunes. The cross-platform option, which includes all popular operating systems and mobile, is VLC media player.

 

On Windows, several other options are available, such as MediaMonkey, Winamp, and Helium Music Manager. On Mac OS X, QuickTime is a good option. If there is a problem playing the file on a device, then use Aimersoft DRM Media Converter for Windows to remove DRM protection.

 

Developed by: Apple Inc.

Initial Release: 1997

Useful links:

https://www.lifewire.com/m4p-file-2621959

https://en.wikipedia.org/wiki/Advanced_Audio_Coding

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/


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