code: public static synchronized void addFormat(AudioFormat format)
      {
          Check.notNull(format);
  
          for (final String current : format.getFormats())
          {
              if (FACTORIES.put(current, format) != null)
              {
                  throw new LionEngineException(ERROR_EXISTS + current);
              }
          }
      }
docs: Add a supported audio format.
  
  @param format The supported format (must not be <code>null</code>).
  @throws LionEngineException If invalid argument or format already exists.