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Enthusiast Rodmg created a physical implementation of the Winamp retro music player based on Raspberry Pi 4 called Linamp. It can play mp3, m4a, FLAC and other digital formats from the file system, including from the SMB network. There is file playlist management, real-time spectrum analyzer display, track information, you can view the bitrate and sample rate, there is volume and balance control.
The player also plays CDs if you connect an external drive, while Linamp pulls up information about the tracks from MusicBrainz. Playback via Bluetooth works. Rodmg also plans to complete integration with Spotify.
The author used Onshape to design the sheet metal case and front cover. He ordered the body parts along with the front frame from PCBWay.
Physical buttons were initially planned for the user interface, but due to problems with the design and search for a display, the enthusiast decided to make the entire interface touch-sensitive. Small ultra-wide touch screen with a diagonal of 7.9″ was found on Amazon.
Inside Linamp there is a Raspberry Pi 4 with a 32 GB SD card and a set of passive radiators. The screen is connected via HDMI and USB (for power and touch input). Uses Apple USB-C to 3.5mm DAC with USB-C to USB-A adapter. The connectors are located on the rear panel using extension cords. A printed panel with connections is inserted into the rectangular hole on the case.
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The player runs on the Dietpi operating system, based on Debian, the interface is the Qt 6 program, written in C++ with Qt widgets. While the parts manufacturing work was being carried out, Rodmg developed and improved the software using many libraries, the programming process is described in detail in the original note on the Hackaday.io website.
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