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Alternative, if you don't have a monitor, keyboard and mouse at hand:. 
Once connected via VNC: turn off SHH and optionally enable I2C in Raspberry Pi Configuration.Turn off Bluetooth because it is not needed.
I personally like editor leafpad: sudo apt-get install leafpad. Download a VNC client for your computer (e.g. Sudo apt-get upgrade (this might take a while) After configuring Wifi, you can access the desktop using Real VNC Viewer instead of the attached keyboard and mouse.Configure Wifi (optionally): click on wifi icon on the top bar at the righthand side.Adjust monitor resolution: menu -> Preferences -> Raspberry Pi Configuration -> Display -> Set Resolution.Expand file system: sudo raspi-config -expand-rootfs.The default username is: "pi" and the default password is "raspberry".Localization: set locale, set timezone, set keyboard (US International), set wifi country.Configure: Menu -> Preferences -> Raspiberry Pi Configuration:.Connect a monitor, keyboard and mouse (or see solution below if you don't have these devices at hand).You can install the image on a micro SD card using Win32DiskImager or Raspberry Pi Imager.
Install the latest Raspbian OS (this comes with the HifiBerry driver installed). Therefore I make a backup image of the small SD card. Two 256 Gb SD cards in the USB slots are used to store the music files (but you could use one 512 Gb SD card as well).Īlso it is possible to use one big internal SD card.Īlthough it didn't happen to me, SD cards can get corrupt when the power is disconnected. In this way it is easy to make a backup of the OS partition.Ĭurrently, I use a small (16Gb) high quality SD card for the OS and applications only. Probably it is wise to make two partitions. SSD drives are much faster, more reliable when powering off and have a longer lifetime.īooting from SSD is supported by Raspberry Pi models 3B and 4. Probably the best and cheapest way is to use an USB SSD drive. The capacitor might become too hot and start leaking and thus damaging the print. The two capacitors of 4700 uF are placed in parallel after the resistor and connected to ground.Ĭheck that the electrotrolytic capacitors are mounted with the right polarity!ĭo not place the capacitor at the right hand side above de DAC chip! The ceramic capacitor is connected between the connection of inductor and resistor and ground. The inductor and resistor are placed in series and replace R14. The filter consists of an inductor two ceramic capacitors, a resistor of 22 Ohm and two capacitors of 4700 uF/10V (Conrad art.number 422027). So adding a passive filter before the voltage regulator assures that the noise from the Raspberry doesn't reach the DAC.Īdding this filter improved the audio quality a lot! I cannot tell the difference with the high-end DAC anymore!įirst you have to remove R14 (0 Ohm) SMD resistor. I think the reason for this is the noisy power supply of the Raspberry Pi.Īlthough the board has a buit-in voltage regulator, this does not work well for high frequency noise that comes from the power supply. Unfortunately, the difference was rather big: the stereo image was not very detailed and it sounded a bit dull. External USB CD/DVD player with own power supplyĪfter the modification (see below), it sounds fabulous!Īt first, I compared the HifiBerry DAC+ Pro against my other media player with a high-end DAC ("B-DAC", 1200 euro). To improve the audio quality dramatically: add some filtering in the power supply (resistor + capacitor) see pictures below. Cabinet suitable for Raspberry Pi and HifiBerry DAC. HifiBerry DAC+ PRO card of HifiBerry DAC+ DSP. For programming you need a USB (micro) card reader and SD adapter 
Micro SD card (buy a fast and reliable one). Raspberry PI (I prefer model 3B+ above model 4 because of lower power consumption and less heat production). It seems as if the guy with the DSP knowledge has left the company? The HifiBerry DAC+ DSP allows you to do room correction.Īnd there is still an issue: when music is very soft (e.g. speech or meditative music), the output is muted shortly, which is very annoying. HifiBerry has released new and better DAC boards which I didn't tried out yet. This manual is useful if you need to install Node-Red for controlling room correction filters. There is so much to configure!Īlternatives (in most cases much easier then what is presented here): PicorePlayer and Max2Play. Originally I started this page as a log book for myself. Recipe for building a high-end media server using Logitech Media Server and a HifiBerry DAC+ Pro, Spotify, YouTube using a USB CD/DVD player. Building a Logitech Media Server using a Raspberry Pi and HifiBerry DAC
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