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Old 22nd October 2011, 11:13 PM   #1
Ryssen is offline Ryssen  Sweden
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Default I think my minidsp sounds plastic

not at all like the signal that I feed it with.(Hiface EVO)
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Old 22nd October 2011, 11:35 PM   #2
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How are you using it? Analog inputs or digital?

The Hiface EVO seems to be digital only so it's not clear what you mean by the minidsp "sounding" different? The EVO doesn't have have any sound (analogue outputs), or does it ?

Which mininDSP board are you using, 2x4, 2x8 or 8x8 ?

I have had both the 2x4 and 8x8 and i would say the 8x8 is step up in audio quality, but you know, it's hard to be scientific about it.

At the end of the day you get quite a lot of processing for the money. The DAC technology is only part of the focus, and hence so is the audio quality.

Depending on how important it is you could always add external DAC's fed by the I2S outputs.
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Old 23rd October 2011, 01:42 AM   #3
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it must be a 2x4 balanced,I ,mean if I feed the DAC directly from the EVO it doesn´t sound "plastic".
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Old 23rd October 2011, 07:43 AM   #4
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So you mean that when you feed the MiniDSP with a digital signal and without any processing whatsoever (no filters, no EQ, no delays, no nothing) feeding your DAC with the digital out from your MiniDSP it makes the sound "plastical" compared to direct from EVO to DAC?
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Old 23rd October 2011, 10:38 AM   #5
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What are the two setups you are comparing, what is connected to what ?

The DAC you mention, is that the one built into the miniDSP or another dedicated unit?
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Old 23rd October 2011, 03:58 PM   #6
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Quote:
So you mean that when you feed the MiniDSP with a digital signal and without any processing whatsoever (no filters, no EQ, no delays, no nothing) feeding your DAC with the digital out from your MiniDSP it makes the sound "plastical" compared to direct from EVO to DAC?
Yes,thats how it´s connected,all digital.Plastic or syntetic.
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Old 23rd October 2011, 07:24 PM   #7
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Interesting, so i'm guessing there is also a miniDIGI involved?

Seems from the manual that the process flow is SPDIF input > I2S (+Upsampling) > I2S output > SPDIF conversion for output. So perhaps it is the upsampling/downconversion that is afffecting the audio quality.

Have you tried configuring the mininDIGI in "loopback" to link up spdif input to spdif output? I don't know if this cuts out the sample rate conversion, but you could probably hear if there is a difference.
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Old 25th October 2011, 11:16 AM   #8
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Quote:
Have you tried configuring the mininDIGI in "loopback" to link up spdif input to spdif output? I don't know if this cuts out the sample rate conversion, but you could probably hear if there is a difference.
How do I do that seems complicated.
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Old 25th October 2011, 08:36 PM   #9
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It's one jumper, the miniDIGI manual tells you how to do it.
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Old 26th October 2011, 07:10 PM   #10
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Yes I saw that in the manual,I will try this when I get some time over.
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