In conventional CD players, or CD transport~DAC combination, with multi-bit DAC chip, the original I²S signal is converted to S/PDIF format at the transport circuit, then converted back again to I²S at the receiver of the DAC section. For 4735 CD player, Junji Kimura created a proprietary 3D circuitry which enabled to avoid this extra conversion by connecting the I²S output of the chip on the transport circuit directly to the I²S input of the DAC chip. 4735 Midnight Blue CD player has opened a new stage to already well-known organic, analog sound of 47 Lab’s CD play back system.*
Hi Guys
Is the above claim true about the signal conversion on the transport end ?
Thks
Hi Guys
Is the above claim true about the signal conversion on the transport end ?
Thks
No, no need to convert to S/PDIF and back in any modern CD player. And you definitely don't need any sort of proprietary "3D" circuit to connect a i²S output to a I²S input.
Hi Julf,
So do you think its mumbo jumbo ? When i think of it my cd
pro transport does have spidf & I2s ouput connections but what
it is done within the chip prior to these 2 output is beyond
beyond me.
So do you think its mumbo jumbo ? When i think of it my cd
pro transport does have spidf & I2s ouput connections but what
it is done within the chip prior to these 2 output is beyond
beyond me.
So do you think its mumbo jumbo?
Yes, I do - it just doesn't make any sense from a technical point of view.
Both s/pdif and i²S make sense, but "I²S" stands for "integrated interchip sound", so it is intended for a connection inside one device (so there is no agreed standard for connector or cable), whereas s/pdif is intended for a connection between different devices. Still, makes no sense to use s/pdif between parts of the same device.When i think of it my cd pro transport does have spidf & I2s ouput connections but what it is done within the chip prior to these 2 output is beyond me.
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