Taking a look back
The Acoustic Era was back in the 1870s and '80s until the 1925s. Alexander Graham Bell's telephone (1876) and Edinson's phonograph (1877) created a massive buzz among individuals about the technology. To add to this, David Edward Hughes demonstrated his rudimentary carbon microphone in the year 1875. [caption id="attachment_502" align="aligncenter" width="300"]
David Edward Hughes Rudimentary Carbon Microphone (1875)[/caption] [caption id="attachment_503" align="aligncenter" width="565"]
Alexander Graham Bell’s Telephone (1876)[/caption] [caption id="attachment_504" align="aligncenter" width="455"]
Edinson’s Phonograph (1877)[/caption] In the early 1950s, which was The Electrical Era, things changed. New technologies came in with the invention of the electric guitar and professional equipment such as high-powered sound systems. New inventions came into existence to fulfil the need for more power. The Magnetic Era (1975), as people were more focused on the quality of the sound systems. In 1975, EMT introduced the Model 250, the first digital reverberation unit.
The Digital Era (1990). - Dolby introduced five-channel surround sound for home theatres in 1990. Digital audio soon replaced analogue systems as it began to boom.
What is digital audio?
It is a digitalized form of audio, where each of the sound waves of the audio signal encodes into continuous numerical samples. Today, people consume information digitally, and with the increase in audio content, people prefer it over other content formats available. According to the report by Edison Research, 68% of the US 12+ population prefer online audio listening. The average person spends 16 hours and 14 minutes listening to audio (digital) each week. And in 2022, the average time spent listening will rise to 1 hour and 37 minutes per day. [caption id="attachment_506" align="aligncenter" width="470"]
Source: eMarketer[/caption] When it comes to podcasting, it is a familiar term for more than 78% of the population in the US. A total of 162 million (62%) 12+ Americans have listened to a podcast at least once. Despite this, the vast majority of podcast listeners are still white:
