Meanwhile, electrical components eventually became so small that, by the late 1960s, portable cassette players were developed, along with video recorders which were used by TV stations.
The idea behind the Walkman was simple-a high-quality stereo cassette player, small enough to hold in your hand, allowing you to walk down the street listening to your own soundtrack.
In this programme, we've been looking back at the iconic Sony Walkman, the first portable stereo made up of a cassette player plus headphones-pairs of padded speakers worn over the ears.
The idea behind the Walkman was simple – a high-quality stereo cassette player, small enough to hold in your hand, allowing you to walk down the street listening to your own soundtrack.
In this programme, we've been looking back at the iconic Sony Walkman, the first portable stereo made up of a cassette player plus headphones – pairs of padded speakers worn over the ears.