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Author Topic: Is the JRiver Id 202 limited to a maximum Output frequency of 384 kHz?  (Read 3282 times)

digimuse

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I am using a Chord Mojo DAC, with a USB input, which plays all files from 32kHz to 768kHz, and DSD 256

When I drive the Mojo from a Mac running MC 22.0.13, using DSP Studio I can set the Output frequency to 768 kHz.

But when I drive the Mojo from an Id 202, Id:20.0.100 and MC:20.0.140, using DSP Studio the maximum Output frequency is 384 kHz.
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bob

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Re: Is the JRiver Id 202 limited to a maximum Output frequency of 384 kHz?
« Reply #1 on: August 19, 2016, 01:53:10 pm »

Yes, that is the limit in MC 20 for DSP studio however if your DAC supports the 768k sample rate and you have material that has that sample rate it will play fine.

Are you trying to upsample?
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digimuse

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Re: Is the JRiver Id 202 limited to a maximum Output frequency of 384 kHz?
« Reply #2 on: August 19, 2016, 03:18:06 pm »

Yes, that is the limit in MC 20 for DSP studio however if your DAC supports the 768k sample rate and you have material that has that sample rate it will play fine.

Are you trying to upsample?

Yes, I am upsamplig music on the MC server (Mac or Id) before sending it to the Chord Mojo DAC.

There is no problem in playing music files upsampled to 384 kHz from the Id 202 to Mojo DAC (and no problem in playing music files upsampled to 768 kHz from the Mac to the Mojo).

Any plans to update the Id software to support DSP Studio upsampling to 768 kHz, or is this a limitation of the hardware?
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bob

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Re: Is the JRiver Id 202 limited to a maximum Output frequency of 384 kHz?
« Reply #3 on: August 19, 2016, 03:35:40 pm »

Since you are using the DAC via USB there shouldn't be a 384k limit.
We are probably going to upgrade the ID to MC 22 at some point. Then the higher sample rate should be fine.
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Mortone

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Upsample in MC
« Reply #4 on: February 23, 2017, 07:41:01 pm »

How do you upsample in MC? I am new to MC and have Chord Mojo I wish to upsample to/
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