Allo USBridge Signature No sound through HDMI

Troubleshooting
1

I have installed Diepi on my allo USB signature .LMS and squeezliteis owrking fine but no audio coming out through the HDMI. I have connected the hdmi from USB bridge to my av receiver directly.
THe HDMI audio out is working fine with max2play. But not working here .Thanks in advance

  • …
2

@MichaIng can you have a look pls

@praveensg you missed to fill the troubleshooting template. Any reason for this?

Required

  • DietPi version | cat /boot/dietpi/.version
  • Distro version | echo $G_DISTRO_NAME $G_RASPBIAN
  • Kernel version | uname -a
  • Architecture | dpkg --print-architecture
  • SBC model | echo $G_HW_MODEL_NAME or (EG: RPi3)
3

Sorry.
PFA below the details:
Device model : RPi 3 Model B+ (aarch64)

  • CPU temp : 46 °C / 114 °F : Optimal temperature
  • L
  • MOTD : DietPi v9.3 has been released.
    Distro Version

bookworm 0
Kernel version:
Linux DietPi 6.1.21-v8+ #1642 SMP PREEMPT Mon Apr 3 17:24:16 BST 2023 aarch64 GNU/Linux
Architecture :Arm 64

Rpi 3 Model B+ (arrch 64)

4

Sorry.
PFA below the details:
Device model : RPi 3 Model B+ (aarch64)

CPU temp : 46 °C / 114 °F : Optimal temperature
L
MOTD : DietPi v9.3 has been released.
Distro Version
bookworm 0
Kernel version:
Linux DietPi 6.1.21-v8+ #1642 SMP PREEMPT Mon Apr 3 17:24:16 BST 2023 aarch64 GNU/Linux
Architecture :Arm 64

Rpi 3 Model B+ (arrch 64)

5

The USBridge Sig is an RPi CM3 base board, hence not RPi 3B +, or am I missing something?

However, please try to select onboard HDMI ecplicitely in dietpi-config audio options. If it does npt work, please show the output of:

aplay -l
cat /etc/asound.conf
journalctl -u squeezelite
6

The hdmi audio is working fine now. can we increase the strength of output coming from Dietpi. Currently the output of audio seems bet low.Normal when i use Moode or Volumio, i got good strenth within -48db in my av receiver, but when using Ditepi with LMS i need to keep the volume on -30 db to get same strenght. Could you please help

7

Check alsamixer for a volume control. But IIRC it is hardcoded in one case, when using the VC4 KMS driver or when not using it.

8 
numid=3,iface=PCM,name='IEC958 Playback Default'
  ; type=IEC958,access=rw--l---,values=1
  : values=[AES0=0x04 AES1=0x82 AES2=0x00 AES3=0x01]
numid=2,iface=PCM,name='IEC958 Playback Mask'
  ; type=IEC958,access=r-------,values=1
  : values=[AES0=0xff AES1=0xff AES2=0xff AES3=0xff]
numid=1,iface=PCM,name='Playback Channel Map'
  ; type=INTEGER,access=r----R--,values=8,min=0,max=36,step=0
  : values=3,4,0,0,0,0,0,0
  | container
    | chmap-fixed=FL,FR
    | chmap-fixed=FL,FR,LFE,NA
    | chmap-fixed=FL,FR,NA,FC
    | chmap-fixed=FL,FR,LFE,FC
    | chmap-fixed=FL,FR,NA,NA,RC,NA
    | chmap-fixed=FL,FR,LFE,NA,RC,NA
    | chmap-fixed=FL,FR,NA,FC,RC,NA
    | chmap-fixed=FL,FR,LFE,FC,RC,NA
    | chmap-fixed=FL,FR,NA,NA,RL,RR
    | chmap-fixed=FL,FR,LFE,NA,RL,RR
    | chmap-fixed=FL,FR,NA,FC,RL,RR
    | chmap-fixed=FL,FR,LFE,FC,RL,RR
    | chmap-fixed=FL,FR,NA,NA,RL,RR,RC,NA
    | chmap-fixed=FL,FR,LFE,NA,RL,RR,RC,NA
    | chmap-fixed=FL,FR,NA,FC,RL,RR,RC,NA
    | chmap-fixed=FL,FR,LFE,FC,RL,RR,RC,NA
    | chmap-fixed=FL,FR,NA,NA,RL,RR,RLC,RRC
    | chmap-fixed=FL,FR,LFE,NA,RL,RR,RLC,RRC
    | chmap-fixed=FL,FR,NA,FC,RL,RR,RLC,RRC
    | chmap-fixed=FL,FR,LFE,FC,RL,RR,RLC,RRC
    | chmap-fixed=FL,FR,NA,NA,NA,NA,FLC,FRC
    | chmap-fixed=FL,FR,LFE,NA,NA,NA,FLC,FRC
    | chmap-fixed=FL,FR,NA,FC,NA,NA,FLC,FRC
    | chmap-fixed=FL,FR,LFE,FC,NA,NA,FLC,FRC
    | chmap-fixed=FL,FR,NA,NA,NA,NA,FLC,FRC
    | chmap-fixed=FL,FR,LFE,NA,NA,NA,FLC,FRC
    | chmap-fixed=FL,FR,NA,FC,NA,NA,FLC,FRC
    | chmap-fixed=FL,FR,LFE,FC,NA,NA,FLC,FRC
    | chmap-fixed=FL,FR,NA,NA,NA,NA,FLC,FRC
    | chmap-fixed=FL,FR,LFE,NA,NA,NA,FLC,FRC
    | chmap-fixed=FL,FR,NA,FC,NA,NA,FLC,FRC
    | chmap-fixed=FL,FR,LFE,FC,NA,NA,FLC,FRC

my alsa settings currently.
can it be improved

9

Can you show this instead:

amixer scontents
10 
root@DietPi:~# amixer scontents
Simple mixer control 'PCM',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 255 [100%] [0.00dB]
  Front Right: Playback 255 [100%] [0.00dB]
11

Mean while can you also suggest a good bit perfect audio player which i can test other than LMS Squeezlite in Dietpi.Thanks in advance

12

Okay that looks good, 100% both channels :thinking:. Does volume react when you reduce those two bars in alsamixer? If so, then it’s max.

That really much depends on personal needs and taste. MPD is a very light and flexible audio player backend which we have a bunch of web frontends for (and more exist). Or Navidrome, as a Subsonic-compatible streamer/player.

If you want to see some screenshots and other options: Media Systems Software Options - DietPi.com Docs

13

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