Rohm Co., Ltd.

Takashi Adachi

Shinsuke Yamashita

A decoder that decodes DSD (Direct Stream Digital) data including: a memory storing the DSD data; a processor; a DMA (Direct Memory Access) controller configured to read the DSD data from the memory one word at a time according to a command from the processor; a parallel/serial converter configured to output a plurality of bits contained in a word read by the DMA controller in a bit stream format; and a silent pattern generator configured to selectively output a plurality of silent patterns in a time division manner during a silence period, wherein each of the plurality of silent patterns has a mark rate of 50% and is a string of bits having different values.

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Kyoto, Japan

Takashi Adachi