KEF LS60: Difference between revisions
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* Pulseaudio 16.1 | * Pulseaudio 16.1 | ||
* KEF firmware 2.0 | * KEF firmware 2.0 | ||
As a first observation, setting up an EQ profile for my small office seemed to <i>substantially</i> improve listening experience. I used Normal Mode (as opposed to expert). | |||
==Requirements== | ==Requirements== | ||
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* DAC at speakers | * DAC at speakers | ||
* minimal latency | * minimal latency | ||
* output automatically waking the speakers from standby mode | |||
==Wireless== | ==Wireless== | ||
Using the app, set the input to "Wi-Fi". | |||
The specs list the following "wireless streaming features": | The specs list the following "wireless streaming features": | ||
* AirPlay 2 | * AirPlay 2 | ||
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* UPnP Compatible | * UPnP Compatible | ||
* Bluetooth 4.2 | * Bluetooth 4.2 | ||
As far as I'm aware, [[Bluetooth]] audio is always going to involve a lossy compression. | As far as I'm aware, [[Bluetooth]] audio is always going to involve a lossy compression, so I won't be using it. I did set up Bluetooth just to see that it worked, which it did. You'll have to pair the devices, and connect them. | ||
Running <tt>avahi-browse -a -t</tt> showed numerous zeroconf services: | Running <tt>avahi-browse -a -t</tt> showed numerous zeroconf services: | ||
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I first tried pipewire+AirPlay using the [https://docs.pipewire.org/page_module_raop_discover.html raop-discover] module. This was able to find the speakers, and created a device visible in <tt>pavucontrol</tt>, but I was unable to produce any audible output using it. The monitor showed signal going to the sink, but I heard nothing. | I first tried pipewire+AirPlay using the [https://docs.pipewire.org/page_module_raop_discover.html raop-discover] module. This was able to find the speakers, and created a device visible in <tt>pavucontrol</tt>, but I was unable to produce any audible output using it. The monitor showed signal going to the sink, but I heard nothing. | ||
I disabled pipewire and pipewire-pulse, and brought up true pulseaudio. Using <tt>pulseaudio-dlna</tt>, I got a working sink that generated sound: | |||
<pre> | |||
Sink #2 | |||
State: RUNNING | |||
Name: lilypadspeaker_dlna | |||
Description: lilypad speaker (DLNA) | |||
Driver: module-null-sink.c | |||
Sample Specification: s16le 2ch 44100Hz | |||
Channel Map: front-left,front-right | |||
Owner Module: 25 | |||
Mute: no | |||
Volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB | |||
balance 0.00 | |||
Base Volume: 65536 / 100% / 0.00 dB | |||
Monitor Source: lilypadspeaker_dlna.monitor | |||
Latency: 26367 usec, configured 40000 usec | |||
Flags: DECIBEL_VOLUME LATENCY SET_FORMATS | |||
Properties: | |||
device.description = "lilypad speaker (DLNA)" | |||
device.class = "abstract" | |||
device.icon_name = "audio-card" | |||
Formats: | |||
pcm | |||
</pre> | |||
The first number reported for <b>Latency:</b> changed with each run. | |||