Gandhi wrote:
> Would you say that the WB responds quickly with this load, for example
> when seeking or switching tracks in LMS?
>
Gandhi,
The responsiveness of WB at 96kHz/24bit FFT filter length 32768 samples
is good.
Changing tracks is reasonably fast. First track starts after ~ 2s
Filters in process 0: 0
Filters in process 1: 1
Audio processing starts now
Readahead complete (2.031s)
At 192KHz/24bit FFT filter length 65536 samples you can feel that
changing tracks
is slightly slower. First track starts after ~ 4s
Filters in process 0: 0
Filters in process 1: 1
Audio processing starts now
Readahead complete (3.962s)
Gapless playback works fine.
(tested on 44.1 kHz only, BrutefirDRC Flac 44.1khz, FFT filter lenght
16384 samples (8192 taps)
Seeking slider is not working in Flac steaming mode, probably is OK in
PCM streaming.
I am going to try the PCM way...
My XMOS USB to SPDIF converter maxes out @ 192khz.
Here is what I get:
BrutefirDRC Flac 96kHz/24 bit, FFT filter lenght 32768 samples (16384
taps), re sampled in synchronous mode
to 192kHz after convolution using sox settings : Quick,Minimum Phase,
VHQ=28 Bits of precision.
Code:
--------------------
[fedora@wandboard ~]$ top
top - 07:04:03 up 2 days, 14:19, 2 users, load average: 4.46, 4.15, 4.00
Tasks: 125 total, 1 running, 124 sleeping, 0 stopped, 0 zombie
%Cpu0 : 18.4 us, 0.0 sy, 0.0 ni, 81.6 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0
st
%Cpu1 : 13.7 us, 2.9 sy, 0.0 ni, 83.3 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0
st
%Cpu2 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0
st
%Cpu3 : 10.9 us, 0.0 sy, 0.0 ni, 89.1 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0
st
KiB Mem: 1884168 total, 1869312 used, 14856 free, 419432 buffers
KiB Swap: 0 total, 0 used, 0 free, 1157184 cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
12778 squeeze+ 10 -10 46876 43820 18944 S 13.7 2.3 0:09.32
squeezelite
12794 squeeze+ 20 0 16156 11568 8984 S 9.8 0.6 0:07.30 brutefir
12795 squeeze+ 20 0 16156 11568 8984 S 9.8 0.6 0:07.34 brutefir
7836 squeeze+ 20 0 132756 122528 5272 S 4.9 6.5 43:51.30
squeezeboxserve
12789 squeeze+ 20 0 10708 2664 2012 S 4.9 0.1 0:03.06 sox
12791 squeeze+ 20 0 10684 2696 2040 S 4.9 0.1 0:03.37 sox
12797 fedora 20 0 5204 1244 928 R 2.0 0.1 0:00.82 top
370 jivelite 20 0 31720 11288 1516 S 1.0 0.6 30:54.80 jivelite-wsp
12790 squeeze+ 20 0 9928 5052 1948 S 1.0 0.3 0:00.79
brutefirwrapper
12792 squeeze+ 20 0 15384 11356 9572 S 1.0 0.6 0:00.37 brutefir
1 root 20 0 6480 3296 1804 S 0.0 0.2 0:06.20 systemd
2 root 20 0 0 0 0 S 0.0 0.0 0:00.03 kthreadd
3 root 20 0 0 0 0 S 0.0 0.0 0:02.70 ksoftirqd/
--------------------
------------------------------------------------------------------------
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