Philips Digital Networks has demonstrated how a ‘Waveform Matching’ technique can allow mobile phone users to identify songs or melodies they hear on the radio.
In operation, users first call a unique number and are connected to a computer system with a large database. The music is then fed, through the mobile phone, to a computer that calculates the unique characteristics of that piece of music and then matches them to those already stored in the database. Only a few seconds of music are needed for song identification.
Once identified, the consumer can read the name of the song and the artist from the display on the phone or listen to a voice relaying the information.
And then, by selecting a ‘buy now’ option on the display, the song can be ordered.
Waveform Matching techniques also enable owners of music titles played over radio stations to protect their copyright and revenue.