In the original patent of Bloom Rheinland, he described a method of recording sound with two microphones separated by a certain distance, and ensured the correct spatial positioning of sound through specific audio coding technology. Subsequently, this technology was applied to various recording devices, including records, tapes and digital audio.
with the passage of time, stereo technology has been continuously developed and improved. In 195s, with the popularity of stereo recording equipment, this technology was widely used in the music industry. For example, with the development of stereo recording technology, listeners can feel the difference between the left and right channels, which enhances the three-dimensional sense and realism of music.
in the digital audio era, stereo technology has been further developed and applied. Now, we can enjoy high-quality stereo music and movie sound effects on various devices, thanks to the continuous improvement and perfection of stereo technology for many years.