Convert OGG to AMR — Free Online Converter
Convert Ogg Vorbis (.ogg) to Adaptive Multi-Rate Audio (.amr) online for free. Fast, secure audio conversion with no watermarks or registration....
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Upload your .ogg 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 .amr file when it's ready.
About OGG to AMR Conversion
OGG Vorbis is Xiph.org's open-source lossy codec, popular in gaming, Linux, and web applications. AMR (Adaptive Multi-Rate) is ETSI's speech-optimized codec for GSM and UMTS mobile networks. AMR-NB operates at 8 kHz mono (4.75-12.2 kbps), while AMR-WB extends to 16 kHz (up to 23.85 kbps).
Converting OGG to AMR applies extreme speech-tuned compression, producing files suitable for telephony systems, voicemail platforms, and MMS messaging. This is strictly a voice-content conversion — AMR's narrow frequency range makes it unsuitable for music.
Why Convert OGG to AMR?
AMR is the native codec for mobile telephony infrastructure worldwide. Voicemail systems, IVR platforms, and MMS gateways require AMR or 3GP input. If OGG-encoded voice recordings need to enter the telecom pipeline, AMR conversion is necessary.
The extreme compression (OGG at 128 kbps to AMR-NB at 12.2 kbps) enables mass storage of voice content. Interview archives, call recordings, and dictation files stored as OGG can be compressed dramatically for long-term archival while remaining playable on any mobile phone.
Common Use Cases
- Converting OGG voice recordings for mobile telephony voicemail systems
- Preparing OGG audio for MMS delivery to feature phones
- Compressing OGG voice archives for cost-effective long-term storage
- Delivering OGG content to IVR systems requiring AMR format
- Creating mobile-compatible voice files from Linux-recorded OGG sources
How It Works
FFmpeg decodes the Vorbis stream, resamples to 8 kHz (AMR-NB) or 16 kHz (AMR-WB), downmixes to mono, and encodes using libopencore-amrnb or libopencore-amrwb. The AMR encoder uses ACELP (Algebraic Code-Excited Linear Prediction) optimized for speech. Since both Vorbis and AMR are lossy, transcoding compounds quality loss. Output is raw AMR (.amr) or wrapped in 3GP for broader compatibility.
Quality & Performance
Double lossy transcoding produces lower quality than direct PCM-to-AMR conversion. AMR-NB (300-3400 Hz) sounds like a standard phone call. AMR-WB (50-7000 Hz) provides HD Voice quality. Neither is suitable for music. Start from the highest quality OGG source available.
Device Compatibility
| Device | OGG | AMR |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Native | Partial |
| Linux | Partial | Partial |
| Web Browser | Native | 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
- 1Only convert speech content to AMR — music will be severely degraded
- 2Use AMR-WB at 23.85 kbps for the best voice quality when the target supports wideband
- 3Apply noise reduction to the OGG source before conversion for cleaner AMR output
- 4Wrap AMR in a 3GP container for broader mobile device compatibility
- 5For modern voice delivery, consider Opus instead of AMR unless the target system mandates AMR
Related Conversions
OGG to AMR serves the narrow use case of preparing voice content for mobile telephony. Use AMR-WB for HD Voice when the target system supports it.