ConvertOnline

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1. Convert Online
2. Audio Converters
3. AMR to OGG

{
  "convert": "amr-ogg",
  "multiple": true,
  "from": "amr",
  "to": "ogg",
  "note": "AMR files are typically narrowband (8 kHz, mono) and intended for voice recording. When converting to OGG, you can increase sample rate or channels, but the original audio quality will remain limited by the AMR source.",
  "controls": [
    {
      "type": "dropdown",
      "name": "bitrate",
      "label": "Audio Bitrate",
      "options": [
        {
          "label": "32 kbps (Low)",
          "value": "32k"
        },
        {
          "label": "64 kbps",
          "value": "64k"
        },
        {
          "label": "96 kbps",
          "value": "96k"
        },
        {
          "label": "128 kbps (Standard)",
          "value": "128k"
        }
      ],
      "defaultValue": "64k",
      "desc": "Sets the output bitrate for the OGG file. Since AMR is low-quality, going beyond 96 kbps usually doesn't improve output."
    },
    {
      "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 mono by design. You can upmix to stereo, but it won’t improve quality — mono is recommended."
    },
    {
      "type": "dropdown",
      "name": "sample_rate",
      "label": "Sample Rate (Hz)",
      "options": [
        {
          "label": "8000 Hz (Original)",
          "value": 8000
        },
        {
          "label": "16000 Hz",
          "value": 16000
        },
        {
          "label": "22050 Hz",
          "value": 22050
        },
        {
          "label": "44100 Hz",
          "value": 44100
        }
      ],
      "defaultValue": 8000,
      "desc": "AMR files are typically 8000 Hz. You may upsample for compatibility, but the original audio detail is still limited."
    }
  ],
  "type": "audio"
}