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HiFiBerry DAC+ DSP Features
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Stereo digital input and output (input up to 96kHz, output up to 192kHz). 300 MHz Digital Signal Process (can run up to 6144 instructions per sample)
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High quality asynchronous sample rate converter that can upsample/downsample/mix audio sources – the function of our ‘+Pro’ independent clocks, but managed by the DSP. Change DSP parameters on the fly
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Onboard EEPROM allows to board to boot and run even without the Raspberry Pi
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Note that this board can only be used with our ‘Universal’ (CaseIII) enclosures.
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Uses: DAC ‘on steroids’, standalone DAC, Upsample/downsample digital music sources, Room equalisation
About HiFiBerry DAC+ DSP
Based on the company’s proven DAC+ product which incorporates the highly regarded Burr-Brown chip, the DAC+DSP adds on-board Digital Signal Processing driven by the same powerful processor used on the Beocreate amplifier. Further enhancing the utility of this new board, TOSLINK (optical) and RCA connections for both input and output are available for those who may have legacy equipment but are desirous of improving their system performance. Use it as a DAC ‘on steroids’ The easiest thing to do is to use the DSP/DAC as a DAC for the Raspberry Pi to play back music – as you would do this with our “normal” DAC+ boards. But in this case, you have the added benefit of a high performance DSP to adjust for your particular needs. Use it as a standalone DAC For those of you who have an old CD player or TV to play back music just connect the TOSLink output of your CD player or TC to the TOSLink input of the board and get the analoge signal on the RCA output. You can even do this without the Raspberry Pi. However, you need to feed 5V to the board as it would normally be powered by the Raspberry Pi. Upsample/downsample digital music sources Many audiophiles fear sample rate conversions. There is a lot of discussions about “being bit-perfect”. However, a it’s a simple fact that basically all DACs on the market do not perform equally well on all sample rates. Some people might prefer 48kHz playback, others wants to use the highest available sample rate of 192kHz (that’s the limit of SPDIF). Do you have any preferences? With different DSP settings, you can try by yourself to see what works best for you. The performance parameters of the integrated asynchronous sample rate converters (dynamics, distortions) are better than the analogue performance of your DAC. Don’t be afraid to try it out.
