1980's Audio Technology
"In this decade was the invention of the PC (personal computer),
the Walkman, the CD (compact disc) among others
"Launched in 1979 in Japan, the Walkman was an unprecedented success and by 1986 the name had entered the Oxford English Dictionary."
1982 "FIRST CD PLAYER: The Philips CD100 was released in August. [Image credit: Les Chatfield]" http://www.techradar.com/us/news/world-of-tech/8-technologies-to-thank-the-1980s-for-635764
1983 Audio-Technica thinking when naming its portable vinyl player
1987 - Digital Audio Tape (DAT) players introduced
" 1988 - for the first time, CD sales surpassed LP sales, leaving CD and cassette as the two dominant consumer formats; more than 1/2 of TV households own a VCR; the first transatlantic fiber-optic cable carried up to 37,000 telephone transmissions and began to replace satellites for telephone communication. "
"Graphical representation of a sound wave in analog (red) and 4-bit digital (blue)."
"The advent of digital sound recording and later the compact disc in 1982 brought significant improvements in the durability of consumer recordings. The CD initiated another massive wave of change in the consumer music industry, with vinyl records effectively relegated to a small niche market by the mid-1990s. "
A digital sound recorder from Sony https://en.wikipedia.org/wiki/Sound_recording_and_reproduction#1950s_to_1980s
" In 1986, Philips and Sony again joined forces to create the CD-Interactive or CD-I format. This concept was quite ambitious, with the goal to develop both a format and a special new type of hardware to use it. In some ways this was the first serious attempt at what we now call "multimedia", with authors creating disks including text, graphics, audio, video, and computer programs, and hardware sold to handle all of these and connect to a television screen for output."
Boombox 1987 A depiction of a break dancer with a boom box
"The legendary drum machine and sampler is considered one, if not, the tech icon of Hip-Hop’s golden era in 1988 Village Voice music writer Ben Detrick described the machine as the “Dirty Heartbeat” that “defined New York Hip-Hop" http://www.complex.com/pop-culture/2013/08/best-gadgets-of-the-80s/