Prime Time 5, Transition, Coursebook mit Audio-CD

6 What do you know about sound recording? Tick the correct option. If you don’t know the correct answer, select the most obvious one. 1. Where does sound travel fastest? in air in stone in water in wood 2. The lowest-pitched note that a human being can hear is 16 Hz. 20 Hz. 16 MHz. 20 MHz. 3. The first machine to record sound was invented by Thomas Alva Edison in 1834. 1877. 1902. 1911. 4. The first CDs became available in August 1952. March 1977. October 1982. June 1988. 5. Put these media in the right chronological order (first = 1 to latest = 4): CDs vinyl records MP3s magnetic tapes 1 sound: anything that can be heard noise: sound that is loud, unpleasant, unexpected or undesired tune: a melody, especially one that characterises a certain piece of music pitch: the higher the frequency the higher the pitch volume: degree of loudness 72 Unit Music 6 Internet resources u3gc5x Nur zu Prüfzwecken – Eigentum des Verlags öbv