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  1. #501
    I want to get mono on my left chanel

    -> Does Mono option apply Mono (left + right) on each chanel ? Do i change the volume of right chanel ?

    -> What is swap option ? just invert left and right ?

    -> And what is the other option (hw hw plughw, card 0 1)

    thx by advance !

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    Last edited by eliottinthesky; 2019-11-08 at 19:28.

  2. #502
    Senior Member
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    Quote Originally Posted by paul- View Post
    With upgraded firmware, the heat is better on the PI4, but I still wouldn't put it in a sealed case, it needs some sort of ventilation
    Thanks Paul,

    Guess I'll put it on the back burner for the time being as the only problem I have is slow samba transfers from my ripping pc.

    Ian
    Music Store & VPN Server: Synology DS215J NAS
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  3. #503
    Senior Member paul-'s Avatar
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    Quote Originally Posted by eliottinthesky View Post
    I want to get mono on my left chanel

    -> Does Mono option apply Mono (left + right) on each chanel ? Do i change the volume of right chanel ?

    -> What is swap option ? just invert left and right ?

    -> And what is the other option (hw hw plughw, card 0 1)

    thx by advance !
    Mono mixes both channels into one, but not sure if it comes out left or right or both.
    Likely you want to run plughw

    Card 0 is the onboard rpi audio, card 1 is your i2s dac. If you disable the onboard audio, then you i2s card will be card 0.
    piCorePlayer a small player for the Raspberry Pi in RAM.
    Homepage: https://www.picoreplayer.org

    Please donate if you like the piCorePlayer

  4. #504
    Senior Member ralphy's Avatar
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    Quote Originally Posted by eliottinthesky View Post
    I want to get mono on my left chanel
    Adding the following to the end of /etc/asound.conf would create two new output devices called left and right which downmix stereo to mono.

    You will need to adjust the hw:0,0 to hw:1,0 depending on the location of your DAC as Paul has already outlined. Don't forget to backup your configuraton before you reboot otherwise the changes will be lost.

    Code:
    pcm.left {
            type plug;
            slave.pcm "hw:0,0"
    	ttable {
    		0.1 0
    		0.0 1
    		1.0 1
    		1.1 0
    	}
    }
    
    pcm.right {
            type plug;
            slave.pcm "hw:0,0"
    	ttable {
    		0.1 1
    		0.0 0
    		1.0 0
    		1.1 1
    	}
    }
    Then configure squeezelite output device to left. You can even run a second mono instance of squeezelite to the other output device right.

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    I use these test files to confirm that the left and right channels are downmixed correctly.

    Play this link using the TuneIn URL in LMS.
    Code:
    http://www.aoakley.com/articles/stereo-test.mp3
    Ralphy

    1-Touch, 5-Classics, 3-Booms, 1-UE Radio
    Squeezebox client builds donations always appreciated.

  5. #505
    Junior Member cobrasu's Avatar
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    Feb 2018
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    Taichung,Taiwan
    Posts
    3
    Pi 4 4GB,USB DSD DAC ESS9038Pro+Amanero combo 384 with picoreplayer 6.0.0 beta6 works well,the audio quality is better than my pi 3B,micro SD boot is no problem but USB flash drive and USB SSD HDD.

  6. #506
    Junior Member
    Join Date
    Jun 2019
    Location
    Vermont, USA
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    4

    bluetooth transmit power

    Grasping at straws here. I have a Pi 3B+ which I had used with pCP 5.0 reasonably successfully with a UE BOOM 2 speaker.

    Now with 6.0 I find that the speaker cuts out, presumably from weak signal, in places it worked very well before.

    Is it possible the BT power is lower in 6?

    All else here has remained the same - location of Pi, power supply, no new impediments to the signal path etc., but I can't get the speaker to work where it used to.

    Thanks...

  7. #507
    Senior Member paul-'s Avatar
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    The only difference is in bluetooth is the front end software. Bluez, and bluealsa are identical between 5 and 6. Are you running WiFi. The only way to get true trouble free WiFi and Bluetooth, is to use a 5Ghz WiFi channel.
    piCorePlayer a small player for the Raspberry Pi in RAM.
    Homepage: https://www.picoreplayer.org

    Please donate if you like the piCorePlayer

  8. #508
    Junior Member
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    Quote Originally Posted by paul- View Post
    ... The only way to get true trouble free WiFi and Bluetooth, is to use a 5Ghz WiFi channel.
    Thanks. I turned off wifi as a wired connection is available. Now all is well.

  9. #509
    Senior Member paul-'s Avatar
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    Just pushed up b7, main thing with this release is added a mirror repo (sourceforge) for downloading packages. See OP.

    This will likely be the last beta, and will move to full release.
    piCorePlayer a small player for the Raspberry Pi in RAM.
    Homepage: https://www.picoreplayer.org

    Please donate if you like the piCorePlayer

  10. #510
    Senior Member kidstypike's Avatar
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    Quote Originally Posted by paul- View Post
    Just pushed up b7, main thing with this release is added a mirror repo (sourceforge) for downloading packages. See OP.

    This will likely be the last beta, and will move to full release.
    Thanks Paul, P4 updated to b7, tabs at bottom of page seem fixed.

    Just one thing noticed this last couple of updates - the warning during update (light skin) is unreadable.

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    Server - LMS 7.9.2 Pi4B 4GB/pCP 6.0.0-b7 18K library, playlists & LMS cache on SSD (ntfs)
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