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Any DIR chip that supports DSD128?
Any DIR chip that supports DSD128?
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Old 15th December 2017, 09:20 AM   #1
mollyhouser is offline mollyhouser  United States
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Default Any DIR chip that supports DSD128?

Like coax input supports DSD128 through DOP
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Old 15th December 2017, 01:04 PM   #2
canvas is online now canvas  Taiwan
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DOP is PCM. Any DIR will do.
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Old 15th December 2017, 01:19 PM   #3
MarcelvdG is offline MarcelvdG  Netherlands
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Actually DoP is not PCM, it is DSD packed such that you can send it over any interface meant for high-sample-rate PCM. For DSD128 you would need a DIR that can handle 352.8 kHz sample rate PCM. Do you know any?
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Old 15th December 2017, 02:08 PM   #4
canvas is online now canvas  Taiwan
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Oops, I totally forget about the data rate of DSD128. You are right. That's beyond SPDIF spec. I found a DAC which can do DOP256 through Coax, but I don't know which chip they're using. Could be CT-7301 from ComTrue.


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Last edited by canvas; 15th December 2017 at 02:29 PM.
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Old 2nd January 2018, 08:13 AM   #5
mollyhouser is offline mollyhouser  United States
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Quote:
Originally Posted by MarcelvdG View Post
Actually DoP is not PCM, it is DSD packed such that you can send it over any interface meant for high-sample-rate PCM. For DSD128 you would need a DIR that can handle 352.8 kHz sample rate PCM. Do you know any?
someone told me that sa8804 could do, but with bugs, bugs fixed at the end of 2017.. they also produces sa9227 usb chip
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Old 2nd January 2018, 07:58 PM   #6
MarcelvdG is offline MarcelvdG  Netherlands
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The SA 8804 is not shown on the SaviAudio website, which has very little information about their products anyway:

SaviAudio
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