- Convert Online
- Audio Converters
- AMR to OPUS
Convert AMR to OPUS
Convert AMR to OPUS in your browser. Your audio files are processed on your device and are not uploaded.
32kSets the target bitrate for the Opus audio. Opus is efficient at low bitrates, so even 32–48 kbps can sound good for speech.
Sets the target bitrate for the Opus audio. Opus is efficient at low bitrates, so even 32–48 kbps can sound good for speech.
1AMR is always mono, but you may upscale to stereo when converting to Opus. For voice recordings, mono is typically preferred.
AMR is always mono, but you may upscale to stereo when converting to Opus. For voice recordings, mono is typically preferred.
16000AMR uses 8000 Hz, but Opus supports higher sample rates. You can choose a higher rate to reduce distortion, though original quality won't improve.
AMR uses 8000 Hz, but Opus supports higher sample rates. You can choose a higher rate to reduce distortion, though original quality won't improve.
4. Download converted files
Private browser conversion: Your files stay on your device. Large files may take longer, and some formats depend on browser codec support.
How to use this AMR to OPUS Converter?
- Choose one or more files or drop them into the input area.
- Adjust the available settings, then click Convert. Processing stays in this browser; nothing is uploaded.
- Download each result or download a ZIP for multiple files. Results disappear when you leave this page.
{
"convert": "amr-opus",
"multiple": true,
"from": "amr",
"to": "opus",
"note": "AMR is a narrowband format (used in telephony) with low sample rate and mono audio. When converting to Opus, you can upscale sample rate and channels, but quality will still be limited by the original AMR source.",
"controls": [
{
"type": "dropdown",
"name": "bitrate",
"label": "Audio Bitrate",
"options": [
{
"label": "16 kbps (AMR quality)",
"value": "16k"
},
{
"label": "32 kbps",
"value": "32k"
},
{
"label": "48 kbps",
"value": "48k"
},
{
"label": "64 kbps",
"value": "64k"
},
{
"label": "96 kbps",
"value": "96k"
}
],
"defaultValue": "32k",
"desc": "Sets the target bitrate for the Opus audio. Opus is efficient at low bitrates, so even 32–48 kbps can sound good for speech."
},
{
"type": "dropdown",
"name": "channels",
"label": "Audio Channels",
"options": [
{
"label": "Mono (1 channel)",
"value": 1
},
{
"label": "Stereo (2 channels)",
"value": 2
}
],
"defaultValue": 1,
"desc": "AMR is always mono, but you may upscale to stereo when converting to Opus. For voice recordings, mono is typically preferred."
},
{
"type": "dropdown",
"name": "sample_rate",
"label": "Sample Rate (Hz)",
"options": [
{
"label": "8000 Hz (original AMR quality)",
"value": 8000
},
{
"label": "16000 Hz",
"value": 16000
},
{
"label": "24000 Hz",
"value": 24000
},
{
"label": "48000 Hz (Opus standard)",
"value": 48000
}
],
"defaultValue": 16000,
"desc": "AMR uses 8000 Hz, but Opus supports higher sample rates. You can choose a higher rate to reduce distortion, though original quality won't improve."
}
],
"type": "audio",
"operation": "convert"
}
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