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Author Topic: Which processor for JR20 and DoD upsampling ?  (Read 2485 times)

math89

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Which processor for JR20 and DoD upsampling ?
« on: February 02, 2015, 04:49:05 am »

Good day to all the JRiver users,

I need an advise about the hardware to choose for an Audio configuration, let's say 'audiophile' (no video)

I'm not satisfied with the  current confirguration, and intend to change for something robust.
- Computer : old laptop with Pentium single core 1,6GHz chip.
- DAC : iFi micro idsd
=> The use of DoD (single DSD option) takes about 80 to 95% of the processor, with some 'music stops' time to time....

Can you confirm to me that the following configuration would fit ?
Mac mini - intel i5 2,6GHz - 4Go RAM - 500Go HD

Can an i2 or i3 make the job ? Thas would save monney,
...or should I better go for a i7 processor ?

Regards,
Mathieu
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Music first !
- Mac mini core i5 16gb - SSD256 - HD500
- iFi idsd + iUSBpower
- Electrocompaniet AW180
- Acoustat Spectra 44
- Sub : Muse 18

math89

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Re: Which processor for JR20 and DoD upsampling ?
« Reply #1 on: February 03, 2015, 04:31:11 am »

Up ? Mac Mini is only a dual core, most of others are  quads.  ?
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Music first !
- Mac mini core i5 16gb - SSD256 - HD500
- iFi idsd + iUSBpower
- Electrocompaniet AW180
- Acoustat Spectra 44
- Sub : Muse 18

ken-tajalli

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Re: Which processor for JR20 and DoD upsampling ?
« Reply #2 on: February 04, 2015, 04:57:50 pm »

count yourself lucky that a single core pentium actually manages to do the job, which should tell you something!
You don't need much CPU.
If it is just music you are going to use the computer for, any windows based (cheaper) core II Duo machine with 2GB of ram should do, provided you don't have many things running in the background.
A Mac i3 should be sufficient.
I don't think there is such a thing as an i2.
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Uncompressed music on PC - Hugo 2 & DX7 pro - Meridian Poweramp,  Sonus Faber Grand Piano

math89

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Re: Which processor for JR20 and DoD upsampling ?
« Reply #3 on: February 17, 2015, 05:28:45 am »

Thanks for your answer,
Mac Mini i5 runs perfect for music.
I tested the oversamplig up to 8xDSD. JRiver uses max 21% of the  processor.
Regards,
Mathieu

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Music first !
- Mac mini core i5 16gb - SSD256 - HD500
- iFi idsd + iUSBpower
- Electrocompaniet AW180
- Acoustat Spectra 44
- Sub : Muse 18

ken-tajalli

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  • Posts: 133
Re: Which processor for JR20 and DoD upsampling ?
« Reply #4 on: February 22, 2015, 04:56:35 pm »

Thanks for your answer,
Mac Mini i5 runs perfect for music.
I tested the oversamplig up to 8xDSD. JRiver uses max 21% of the  processor.
Regards,
Mathieu


There you go, you used the hardest thing JRiver would ever do (8XDSD) and it uses 21% of your processor.
Under normal use with DSP active, and upsampling 44KHz to 176KHz, on my PC, JRiver uses 12% of my AMD A10 5700.
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Uncompressed music on PC - Hugo 2 & DX7 pro - Meridian Poweramp,  Sonus Faber Grand Piano
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