private HeaderBitField createHeaderField() throws IOException {
        HeaderBitField field = new HeaderBitField();
        field.add(nextByte());
        field.add(nextByte());
        field.add(nextByte());
        return field;
    }
Creates a bit field for the MPEG frame header.

@return the bit field
@throws IOException if an error occurs
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-audiovideo-module/src/main/java/org/apache/tika/parser/mp3/MpegStream.java