Transmitter and transmitting method, information editor and editing method, receiver and receiving method, information storage and storing method, and broadcasting system

A transmitting method for a transmitting apparatus, the method comprising:

• supplying a plurality of broadcast audio materials formed of digital audio data to the transmitting apparatus;
• supplying digital data for an audio information screen associated with one or more of the broadcast audio materials to the transmitting apparatus, said digital data including interactive GUI data used to generate an interactive on-screen display to allow interaction between a user and the display;
• and
• supplying, to the transmitting apparatus, download audio data of audio data corresponding to the one or more of the broadcast audio materials that are compressed in a predetermined compressing format;
• multiplexing the digital audio data of the plurality of audio broadcasts at the transmitting apparatus, the associated digital data for the audio information screen, and the corresponding download audio data to form multiplexed data having an audio broadcast component, a digital data for audio information screen component, and a download audio data component;
• and
• transmitting, from the transmitting apparatus, the multiplexed data such that each one of the audio broadcast component, the digital data for audio information screen component, and the download audio data component is transmitted completely at least twice within a program period,
• wherein said digital audio data has a first sound quality and the download audio data has a second sound quality that is of a higher quality than the first sound quality.