Convert AMR to AVI — Free Online Converter
Convert Adaptive Multi-Rate Audio (.amr) to Audio Video Interleave (.avi) online for free. Fast, secure audio conversion with no watermarks or registr...
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Upload your .amr file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .avi file when it's ready.
About AMR to AVI Conversion
AMR is a voice-only audio format from the mobile telephony world, while AVI (Audio Video Interleave) is Microsoft's legacy multimedia container capable of holding both audio and video streams. Converting AMR to AVI creates an audio-only AVI file — a somewhat unusual combination, but one that certain legacy media players and industrial automation systems specifically require.
Why Convert AMR to AVI?
Some older Windows applications, embedded industrial systems, and surveillance software only accept AVI files as input. If you need to feed a voice recording into one of these systems, wrapping the audio in an AVI container is the path of least resistance. AVI also allows you to later merge the audio with a video stream using simple tools, creating a combined multimedia file.
Common Use Cases
- Feed a voice recording into legacy Windows software that accepts only AVI input
- Prepare audio for muxing with a separate video stream in an AVI workflow
- Import a phone recording into an industrial surveillance playback system
- Create a placeholder AVI with voiceover for a video editing project
How It Works
FFmpeg decodes the AMR audio to PCM, re-encodes it as MP3 (the most widely supported audio codec inside AVI), and wraps it in an AVI container. The output is an audio-only AVI with no video stream. Some players may display a blank screen; others will play the audio normally.
Quality & Performance
Re-encoding AMR to MP3 at 128 kbps for the AVI container introduces a second lossy compression pass. However, since AMR's bandwidth is limited to 3.4-7 kHz, the MP3 encoder has very little detail to work with, and the perceptual loss is negligible for speech content.
Device Compatibility
| Device | AMR | AVI |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No | No |
Recommended Settings by Platform
Spotify
Resolution: N/A
Bitrate: 320 kbps
OGG Vorbis preferred
Apple Music
Resolution: N/A
Bitrate: 256 kbps
AAC format required
SoundCloud
Resolution: N/A
Bitrate: 128 kbps
Lossless FLAC/WAV for best quality
Podcast
Resolution: N/A
Bitrate: 128 kbps
MP3 mono for spoken word
Tips for Best Results
- 1Unless you specifically need AVI, convert to MP4 or MKV instead for better codec support and metadata handling.
- 2If the target application supports it, use PCM audio inside AVI for zero-generation-loss output.
- 3Label the file clearly as audio-only to avoid confusion when it appears alongside video AVIs.
- 4Test the output in the target legacy application before batch-converting multiple files.
Related Conversions
AMR to AVI conversion is a niche workflow for legacy systems. For general audio playback, AAC or MP3 are better choices.