Introduction
This free AMR to M4A converter can help you convert AMR (Adaptive Multi-Rate) audio to M4A (Apple Lossless Audio) audio. The tool will try to maintain the audio quality of the source AMR file and create a high quality M4A file as much as possible.
How To Use
- Select an "AMR File" (such as *.3ga, *.amr).
- Click the "Convert" button to start uploading your files.
- Once the upload is complete, the converter will redirect a web page to display the conversion results.
Remark
- The maximum upload file size is 200 MB.
- Before uploading, please make sure you agree to the terms of this website.
- If the file upload process takes a long time or is unresponsive or very slow, please try to cancel and resubmit.
- This converter cannot support encrypted or protected audio files.
- If the source file is a very large file, it will take more time to upload, be sure to select a valid file.
File Format Information
- AMR (Adaptive Multi-Rate) is a audio data compression format, optimized for speech coding, an 3GPP-specified 3GP container format, used by mobile telephone handsets for voice recordings. The audio quality of this format is low. The file extensions can be .amr, .3ga.
- M4A (Apple Lossless Audio) is an audio coding format by Apple, used for storing audio data losslessly without losing any quality, open source and royalty-free. This format usually has higher sound quality and better compression then MP3, so it can create a good sound quality while having a small file size. This format is commonly used in Apple iTunes.
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