ConvertOnline

Image

Audio

Video

Document

Color

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

{
  "convert": "aac-amr",
  "multiple": true,
  "from": "aac",
  "to": "amr",
  "note": "AMR is designed for narrowband speech and supports only mono channel and a sample rate of 8000 Hz. It is not suitable for music or high-quality audio.",
  "controls": [
    {
      "type": "dropdown",
      "name": "bitrate",
      "label": "AMR Bitrate",
      "options": [
        {
          "label": "4.75 kbps",
          "value": "4.75k"
        },
        {
          "label": "5.15 kbps",
          "value": "5.15k"
        },
        {
          "label": "5.9 kbps",
          "value": "5.9k"
        },
        {
          "label": "6.7 kbps",
          "value": "6.7k"
        },
        {
          "label": "7.4 kbps",
          "value": "7.4k"
        },
        {
          "label": "7.95 kbps",
          "value": "7.95k"
        },
        {
          "label": "10.2 kbps",
          "value": "10.2k"
        },
        {
          "label": "12.2 kbps (Maximum)",
          "value": "12.2k"
        }
      ],
      "defaultValue": "12.2k",
      "desc": "Specifies the target bitrate for AMR encoding. Higher bitrates offer better clarity for voice. 12.2 kbps is the best available mode."
    },
    {
      "type": "dropdown",
      "name": "channels",
      "label": "Audio Channels",
      "options": [
        {
          "label": "Mono (1 channel only)",
          "value": 1
        }
      ],
      "defaultValue": 1,
      "desc": "AMR only supports mono (1 audio channel)."
    },
    {
      "type": "dropdown",
      "name": "sample_rate",
      "label": "Sample Rate",
      "options": [
        {
          "label": "8000 Hz (required)",
          "value": 8000
        }
      ],
      "defaultValue": 8000,
      "desc": "AMR narrowband requires a fixed sample rate of 8000 Hz. Other sample rates are not supported."
    }
  ],
  "type": "audio"
}