ConvertOnline

Image

Audio

Video

Document

Color

1. Convert Online
2. Audio Converters
3. WAV to M4A

{
  "convert": "wav-m4a",
  "multiple": true,
  "from": "wav",
  "to": "m4a",
  "note": "This conversion reduces file size by encoding the uncompressed WAV file into the AAC format inside an M4A container. Some quality may be lost due to compression, but the result is much smaller and compatible with most devices.",
  "controls": [
    {
      "type": "dropdown",
      "name": "bitrate",
      "label": "Audio Bitrate",
      "options": [
        {
          "label": "64 kbps",
          "value": "64k"
        },
        {
          "label": "96 kbps",
          "value": "96k"
        },
        {
          "label": "128 kbps (Standard)",
          "value": "128k"
        },
        {
          "label": "192 kbps",
          "value": "192k"
        },
        {
          "label": "256 kbps",
          "value": "256k"
        },
        {
          "label": "320 kbps (High)",
          "value": "320k"
        }
      ],
      "defaultValue": "128k",
      "desc": "Specifies the target bitrate for AAC encoding inside the M4A container. Higher bitrates yield better sound but larger files."
    },
    {
      "type": "dropdown",
      "name": "channels",
      "label": "Audio Channels",
      "options": [
        {
          "label": "Mono (1 channel)",
          "value": 1
        },
        {
          "label": "Stereo (2 channels)",
          "value": 2
        }
      ],
      "defaultValue": 2,
      "desc": "Selects the number of audio channels in the output. Mono reduces size; stereo is recommended for music."
    },
    {
      "type": "dropdown",
      "name": "sample_rate",
      "label": "Sample Rate (Hz)",
      "options": [
        {
          "label": "22050 Hz",
          "value": 22050
        },
        {
          "label": "44100 Hz (CD Quality)",
          "value": 44100
        },
        {
          "label": "48000 Hz",
          "value": 48000
        }
      ],
      "defaultValue": 44100,
      "desc": "Controls how many audio samples are processed per second. 44100 Hz is standard for most audio playback."
    }
  ],
  "type": "audio"
}