| http://www.w3.org/ns/prov#value | - The digital audio signal provider 12, as shown in FIG. 4, has a number of 32 audio reproducers 51 to 82, in this example, such as CD players, which provide an analog audio signals g1 to g32, respectively which are compressed into digital signals h1 to h32 of 128 Kbps by compressors 91 to 122, respectively.
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