Convert OGV to AMR — Free Online Converter
Convert Ogg Video (.ogv) to Adaptive Multi-Rate Audio (.amr) online for free. Fast, secure video conversion with no watermarks or registration.
Conversion settings — add a file to adjust
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How to Convert
Upload your .ogv 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 OGV to AMR Conversion
OGV files contain Vorbis audio within the Ogg video container. AMR (Adaptive Multi-Rate) is a narrowband speech codec optimized for GSM cellular networks, encoding voice at 4.75-12.2 kbps mono at 8 kHz. AMR was the standard voice format for 2G/3G telephony systems and voicemail worldwide.
Why Convert OGV to AMR?
AMR produces the smallest possible audio files — roughly 90 KB per minute at the highest quality mode. This makes it useful for extracting speech content from OGV videos when extreme compression is needed for MMS, voicemail systems, or storage-constrained embedded devices.
Some legacy telephony platforms and IVR systems require AMR input, making this conversion relevant when repurposing OGV educational or instructional content for telephone-based delivery.
Common Use Cases
- Creating ultra-compact voice clips from OGV tutorial videos for MMS distribution
- Extracting speech from OGV conference recordings for automated phone system playback
- Producing telephony-quality audio from OGV sources for legacy voicemail greetings
- Converting open-source educational audio from OGV for IVR (Interactive Voice Response) systems
- Creating minimal-size audio summaries from OGV lecture videos for 2G network distribution
How It Works
FFmpeg extracts and decodes the Vorbis audio from the OGV container, downmixes to mono, resamples from 44.1 kHz to 8 kHz, and encodes to AMR-NB using the libopencore-amrnb encoder. The output uses the standard AMR file format with the #!AMR\n header. The codec operates at eight discrete bitrate modes from 4.75 to 12.2 kbps, optimized for human speech frequencies between 300-3400 Hz.
Quality & Performance
AMR is telephone-quality — adequate for recognizable speech but poor for any other audio content. The 8 kHz sample rate limits frequency response to the telephone band (300-3400 Hz). Music, ambient sound, and high-frequency content are heavily degraded. The quality is comparable to an analog phone call.
Device Compatibility
| Device | OGV | AMR |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No | No |
Recommended Settings by Platform
YouTube
Resolution: 1920x1080
Bitrate: 8-12 Mbps
H.264 recommended for fast processing
Resolution: 1080x1080
Bitrate: 3.5 Mbps
Square or 9:16 for Reels
TikTok
Resolution: 1080x1920
Bitrate: 4 Mbps
9:16 vertical, under 60s ideal
Twitter/X
Resolution: 1280x720
Bitrate: 5 Mbps
Under 140s, 512MB max
Resolution: 960x540
Bitrate: 2 Mbps
16MB limit for standard, 64MB for document
Discord
Resolution: 1280x720
Bitrate: 4 Mbps
8MB free, 50MB Nitro
Tips for Best Results
- 1Only use AMR for speech content — it is completely unsuitable for music or sound effects
- 2Use 12.2 kbps mode for the best speech quality AMR supports
- 3Consider AMR-WB if the target system supports it — the wideband variant is significantly clearer
- 4Pre-filter with a bandpass at 300-3400 Hz to prevent aliasing from out-of-band content
- 5Test the output on the intended playback device — AMR compatibility varies across platforms
Related Conversions
OGV to AMR conversion produces the most compact possible audio for telephony and extreme low-bandwidth applications from open-source video sources.
OGV vs AMR
| Feature | OGV | AMR |
|---|---|---|
| Full Name | Ogg Video | Adaptive Multi-Rate Audio |
| Extension | .ogv | .amr |
| Best For | Open source | Speech optimized |