public static final MediaType WEBM_AUDIO = createConstant(AUDIO_TYPE, "webm");

  /**
   * L16 audio, as defined by <a href="https://tools.ietf.org/html/rfc2586">RFC 2586</a>.
   *
   * @since 24.1
   */
  public static final MediaType L16_AUDIO = createConstant(AUDIO_TYPE, "l16");

  /**
   * L24 audio, as defined by <a href="https://tools.ietf.org/html/rfc3190">RFC 3190</a>.
   *

				"audio/g726-40",
				"audio/g728",
				"audio/g729",
				"audio/g7291",
				"audio/g729d",
				"audio/g729e",
				"audio/gsm",
				"audio/gsm-efr",
				"audio/ilbc",
				"audio/l16",
				"audio/l20",
				"audio/l24",
				"audio/l8",
				"audio/lpc",
				"audio/midi",
				"audio/mobile-xmf",
				"audio/mp4",
				"audio/mp4a-latm",
				"audio/mpa",

  <mime-type type="audio/g729d"/>
  <mime-type type="audio/g729e"/>
  <mime-type type="audio/gsm"/>
  <mime-type type="audio/gsm-efr"/>
  <mime-type type="audio/ilbc"/>
  <mime-type type="audio/l16"/>
  <mime-type type="audio/l20"/>
  <mime-type type="audio/l24"/>
  <mime-type type="audio/l8"/>
  <mime-type type="audio/lpc"/>

  <mime-type type="audio/midi">
    <acronym>MIDI</acronym>