Hello colleagues,
I am currently trying to set up a room correction via DSP in the LMS
server via SOX and need some help.
Setup:
- Source: FLAC Streams from Quboz or Tidel (16bit / 44.1 KHz - 24bit /
192Khz)
- Logitech Media Server version: 7.9.2
- UPNP DLNA Bridge
- KEF LS50 Wireless (active speakers with UPNP renderer)
UPNP DLNA Bridge setup for LS50W without transcoding.
I have tried to write a custom-convert.conf for the equalizing of the
streams for the LS50W with this code (MAC-ID is only sample):
Code:
--------------------
flc flc * 00:00:00:00:00:00
# FT:{START=--skip=%t}U:{END=--until=%v}
[flac] -dcs $START$ $END$ -- $FILE$ | [sox] -q -t wav - -t flac -C 0 -b
24 - gain -1 rate -v -I -b 98 88200 equalizer 200 0.33q -10
--------------------
But this doesnÂt work.
First of all, I recognized, that it is not possible to do special rules
in the custom-converter.conf for devices communicating via UPNP DLNA
Bridge.
This seems to be caused by the architecture of this plugin.
Maybe someone has experience how to set up transcoding rules for UPNP
devices.
The documentation of the convert.conf is really bad - so I had done some
trial and error with help of Google.
So this is the current state:
Code:
--------------------
flc flc * *
# IR
[flac] -cs - - | [sox] -q -t flac - -t flac - equalizer 312 1.237q -5.8
equalizer 201 2q 6 equalizer 229 5q -9.9 ............
--------------------
I can only define rule for all devices which with effect for UPNP
devices and must then setup rules for all the other boxes in my
network.
*So it works! - DPS for Quboz and Tidal streams up to 24/192 - great
stuff!*:cool:
But there are some questions - maybe someone can answer a few of them:
- Is there a better documentation for the convert.conf?
- What does "# IR" stand for?
- How to convert all formats (e.g. mp3) in that way, that the LS50
Wireless receives this equalized flac stream?
- Is there a way to define rules for UPNP devices in the convert.conf?
- Is there any improvement in the SOX command I use?
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