Invention mp3 player

Answer 1

In 1987, the prestigious Fraunhofer Institut research center began researching high quality, low bit-rate audio coding, a project code-named EUREKA. The Fraunhofer research was led by Karlheinz Brandenburg often called the "father of MP3". Brandenburg is the man behind today's music as MP3 has fast become a popular format for music files both on the computer and with portable MP3 players!

Answer 2

The German company Fraunhofer-Gesellshaft developed MP3 technology and now licenses the patent rights to the audio compression technology - United States Patent 5,579,430 for a "digital encoding process". The inventors named on the MP3 patent are Bernhard Grill, Karl-Heinz Brandenburg, Thomas Sporer, Bernd Kurten, and Ernst Eberlein.

In 1987, the prestigious Fraunhofer Institut Integrierte Schaltungen research center (part of Fraunhofer Gesellschaft) began researching high quality, low bit-rate audio coding, a project named EUREKA project

• 1987 - The Fraunhofer Institut in Germany began research code-named EUREKA project EU147, Digital Audio Broadcasting (DAB).
• January 1988 - Moving Picture Experts Group or MPEG was established as a subcommittee of the International Standards Organization/International Electrotechnical Commission or ISO/IEC.
• April 1989 - Fraunhofer received a German patent for MP3.
• 1992 - Fraunhofer's and Dieter Seitzer's audio coding algorithm was integrated into MPEG-1.
• 1993 - MPEG-1 standard published.
• 1994 - MPEG-2 developed and published a year later.
• November 26, 1996 - United States patent issued for MP3.
• September 1998 - Fraunhofer started to enforce their patent rights. All developers of MP3 encoders or rippers and decoders/players now have to pay a licensing fee to Fraunhofer.
• February 1999 - A record company called SubPop is the first to distribute music tracks in the MP3 format.
• 1999 - Portable MP3 players appear.EU147, Digital Audio Broadcasting (DAB).