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TonGiesberts
TonGiesberts 2 hours ago
Please have a look at project update 'From the lab: play 16 bit encoded audio'. Please let me know if this works.
Audio DAC for RPi - Networked Audio Player using Volumio [160198]
TonGiesberts
TonGiesberts 2 hours ago
To play back 16 bit files re-sampling works just fine. But when listening to a video stream or YouTube with 16 bit audio re-sampling apparently doesn’t work. See project comment ‘16 Bit issues ...’ So here’s a solution that works but isn’t perfect. The file mpd.conf in the etc directory needs to be changed. But...every time you change a setting in ‘PLAYBACK OPTIONS’ the chance is this MPD.config is replaced by one of Volumio and the modification you made is lost. Then you will have to add the line again. To test if it works first turn off ‘Audio Resampling’ in ‘PLAYBACK OPTIONS’. Make a SSH connection to the RPi with Volumio. In Windows you can use PuTTY. Go to the etc directory:cd /etc Open mpd.conf in a text editor:nano mpd.config (or sudo nano mpd.config) Add the following line (just before the line #replaygain “album”)audio_output_format “*:24:2” In nano the asterisk * is a command, you have to copy it from another text editor in Windows using copy/paste. Have a look at the screen dump I made of PuTTY. Restart Volumio and if everything went well you should be able to listen to 16 bit encoded audio.
Audio DAC for RPi - Networked Audio Player using Volumio [160198]
ThijsBeckers
ThijsBeckers 8 hours ago
We haven't tested this yet, but we assume it's possible. In principle every DMX box should have its own COM port, so it should work. We'll test this somewhere this week and report back.
Isolated USB to DMX512 Converter(160493)
ThijsBeckers
ThijsBeckers 9 hours ago
Not a stupid question ;). We used 0805.
Isolated USB to DMX512 Converter(160493)
Lucky
Lucky 10 hours ago
Are you sure that it's the level shifter? Did you check the data signal with an oscilloscope or logic analyser?
ESP8266 web server for Neopixel LED strips [160487]