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  1. #561
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    Quote Originally Posted by huxmut View Post
    Hey Peppi,

    The optimised version has some tweaks to the tiny core kernel and audio components in the software that reduce latency and some other tricky bits.
    You'd need a particularly good setup and have a DAC that assumes the master clock of the Pi and DAC and resamples the stream into something approaching perfection before you'd hear the differences.
    adding to that is the optimised version has a number of issues/limitations, like doesnt play well with wifi, that make it not suitable for the beginner.
    Stick to the standard version, you wont be disappointed
    Thanks for explaining.
    I am using a Hifiberry + pro with the pi 3+ connected to a tube amp and Jim lab cobalt 816
    I am very happy with the sound and will stick to the standard version.


    Gesendet von iPad mit Tapatalk

  2. #562
    Senior Member Greg Erskine's Avatar
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    hi Peppi,

    When you change to pCP4.0.0 (or greater) you will get a lot more messages and warnings if you try to load the non-standard version.

    Trying to make a greater distinction between the two versions, we changed the names to:

    • pCP4.0.0 Standard Version
    • pCP4.0.0 Experimental RealTime Kernel


    regards
    Greg

  3. #563
    Senior Member
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    You should offer a "standard" and a "awesome audio" and the "pi killer real time kernal" version.
    The first two both being identical...

    Great efforts this year Team pCP. It seems this tiny distro is always improving and advancing.
    Thanks a ton
    rPi 3 + rasPi 7" LCD + HiFiBerry DiGi+ | rPi 2 + IQaudio DAC+ |rPi 2 + HiFiBerry DAC+ | Squeeze Box Touch | LMS + XPenology on HP Gen 8 |


  4. #564
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    Mar 2018
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    ALSA plugin alsaloudness?

    Hi Greg,
    would it be possible to implement the fantastic ALSA plugin "alsaloudness"
    as the name says, it brings a loudness functionality which i like verry much, because even when I listen to music not so loud, I have nevertheless a nice bass :-)
    This would be great because I dont know how to implement the plugin by my self in tiny core linux :-(
    Thanks and best regards, Roland

  5. #565
    Senior Member Greg Erskine's Avatar
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    hi rores,

    We have no plans to implement "alsaloudness", but...

    [Tweaks] in [Advanced] mode > "Audio tweaks" > "ALSA 10 band Equalizer"

    should do the job. There is a Preset named BASS.

    regards
    Greg

  6. #566
    Junior Member
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    Mar 2018
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    yes, I know the equalizer but the advantage of loudness is that the effect is volume dependent regulated

  7. #567

    piCorePlayer v5.0.0 - no results shown in Bluetooth "scan for devices"

    Hi,


    I've just installed piCorePlayer v5.0.0 on an rpi0w, and I thought I'd try out a Bluetooth connection while I wait for the DAC to arrive. I know it's experimental, and beta, and that's completely understood.
    However, when I try to scan for devices, it simply shows the line "[ INFO ] Scanning for Bluetooth Devices, make sure device is in pair mode..." and doesn't actually show any scan results. The "pair" dropdown-list remains empty too.

    I took a look, and I /think/ this is because the WebUI relies on the utility "bluetoothctl" (called from /usr/local/bin/pcp-bt-functions), which in turn relies on libreadline.so.8. I don't think this is installed, or similar, because when I try to run "bluetoothctl" manually from an ssh session I get: "bluetoothctl: error while loading shared libraries: libreadline.so.8: cannot open shared object file: No such file or directory". I did try installing the readline package from the repo (which took some reading about TCB's packaging!) but it says it was already installed.

    I know the bluetooth hardware is working, because I can use "hcitool scan" and see the speakers I'm trying to pair with.

    Does this make any kind of sense? Can I add the device manually, bypassing bluetoothctl?

    (great project anyway; sadly a couple of my squeezeboxes died so I'm building their replacements)

  8. #568
    Senior Member paul-'s Avatar
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    There must be a dependancy issue in 5.0.0. I'll have to check. I would recommend using the 6.0.0-b7 for bluetooth. In my experience it works much better.
    piCorePlayer a small player for the Raspberry Pi in RAM.
    Homepage: https://www.picoreplayer.org

    Please donate if you like the piCorePlayer

  9. #569
    Quote Originally Posted by paul- View Post
    There must be a dependancy issue in 5.0.0. I'll have to check. I would recommend using the 6.0.0-b7 for bluetooth. In my experience it works much better.
    Hmm. That seems significantly better, in that the bluetooth page allows me to discover and pair with a speaker, but the "Bluetooth" option has now disappeared from the audio output options and now Squeezelite seems to fail to run. I'm still looking for the debug logs on that, but if I had to guess I think it's something to do with the fact that the pairing connection is lost after rebooting PCP. I'll continue poking about because it seems so close to being perfect!

    Edit:

    I think this is probably the reason; a kernel panic in dmesg:

    [ 27.323545] WARNING: CPU: 0 PID: 10 at net/wireless/reg.c:418 restore_regulatory_settings+0xb8/0x478 [cfg80211]
    [ 27.323558] Unexpected user alpha2: "G
    [ 27.323562] Modules linked in: rfcomm bnep spidev hci_uart serdev btbcm bluetooth ecdh_generic brcmfmac brcmutil sha256_generic cfg80211 snd_soc_bcm2835_i2s regmap_mmio snd_bcm2835(C) rfkill snd_soc_core snd_compress snd_pcm_dmaengine snd_pcm snd_timer snd spi_bcm2835 i2c_bcm2835 fixed squashfs sch_fq_codel lz4 lz4_compress zram zsmalloc raspberrypi_hwmon hwmon
    [ 27.323683] CPU: 0 PID: 10 Comm: kworker/0:1 Tainted: G C 4.19.80-pcpCore #1
    [ 27.323688] Hardware name: BCM2835
    [ 27.324527] Workqueue: events_power_efficient crda_timeout_work [cfg80211]
    [ 27.324580] [<c0017eac>] (unwind_backtrace) from [<c0014d68>] (show_stack+0x20/0x24)
    [ 27.324610] [<c0014d68>] (show_stack) from [<c0668fbc>] (dump_stack+0x20/0x28)
    [ 27.324636] [<c0668fbc>] (dump_stack) from [<c0024604>] (__warn+0xe0/0x108)
    [ 27.324652] [<c0024604>] (__warn) from [<c0024680>] (warn_slowpath_fmt+0x54/0x74)
    [ 27.325497] [<c0024680>] (warn_slowpath_fmt) from [<bf158ee4>] (restore_regulatory_settings+0xb8/0x478 [cfg80211])
    [ 27.327115] [<bf158ee4>] (restore_regulatory_settings [cfg80211]) from [<bf159400>] (crda_timeout_work+0x30/0x3c [cfg80211])
    [ 27.327953] [<bf159400>] (crda_timeout_work [cfg80211]) from [<c003cda0>] (process_one_work+0x1f8/0x45c)
    [ 27.327979] [<c003cda0>] (process_one_work) from [<c003d040>] (worker_thread+0x3c/0x5a4)
    [ 27.327995] [<c003d040>] (worker_thread) from [<c0042e8c>] (kthread+0x14c/0x164)
    [ 27.328011] [<c0042e8c>] (kthread) from [<c00090ac>] (ret_from_fork+0x14/0x28)
    [ 27.328019] Exception stack(0xdd559fb0 to 0xdd559ff8)
    [ 27.328029] 9fa0: 00000000 00000000 00000000 00000000
    [ 27.328040] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
    [ 27.328050] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
    [ 27.328058] ---[ end trace d22d512a5444365f ]---
    Last edited by davis; 2020-01-09 at 15:24. Reason: added info

  10. #570
    Senior Member paul-'s Avatar
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    That kernel error is from not setting you WiFi. Country. COde correctly

    Please continue use this in the 6.0.0 thread.
    piCorePlayer a small player for the Raspberry Pi in RAM.
    Homepage: https://www.picoreplayer.org

    Please donate if you like the piCorePlayer

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