![]() The respective folder will store the most recent bookmark so that the user can jump to his previous listening position when re-entering the folder. A bookmark will be generated automatically when leaving the mp3 file. Feed-back on the current position (folder name) within the folder hierarchy is given by text to speech audio output. ![]() The user will select the mp3 files by navigating through the folder hierarchy. The system gives access to the entire archive of mp3 files. The user will operate the system using the IR remote control. Power supply cable with a switch for easy brute reboot by the end user 2 USB 2.0 A male/female 0.5m extension cablesī. ![]() ![]() USB audio DAC (we used the one from Plugable with a 3.5mm output jacket)Ī. Alpine RUE-4202 remote control (others may be appropriate as well)įor improved audio output (to start with you can use the RasPi audio output) FLIRC for decoding IR remote control signalsī. Remote control (for testing any USB keyboard or keypad will do)Ī. Headphones, best as wireless, or an amplifier with loudspeakers Raspberry Pi (we used a model B+) with case and power supply No need for internet connection by the end user. Text to speech controlled navigation through hierarchical folder structure using an infrared remote control to play mp3 files. Raspberry Pi MP3 player (audio books and music) for visually impaired peopleīy Klaus & Andreas Noever Features summary
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