Music Identification System Using MPEG-7 Audio Signature Descriptors

Figure 4

The audio samples and the descriptors. In a real application, 𝑎_𝑛,𝑘 is stored in the database, whereas 𝑞_𝑛,𝑘 is computed from the query input. Usually 𝑎_𝑛,𝑘 is not equal to 𝑞_𝑛,𝑘 due to different scopes of the windows even though they are all derived from the same soundtrack.