StNdGoblin
Posts: 6
Joined: Wed Jul 06, 2016 9:23 am

RP3 does not output audio via HDMI

Sun Jul 10, 2016 8:11 pm

I'm using Raspian updated to the last version.
The HDMI cable output video but I can't hear no audio at all. I tried doing the example.mp3 test but while I was able to hear it through the analog path the HDMI didn't worked, even if forced to choose HDMI.
Can you help me?

broe23
Posts: 903
Joined: Thu Jan 28, 2016 9:35 pm
Location: Central IL
Contact: Website

Re: RP3 does not output audio via HDMI

Mon Jul 11, 2016 4:56 am

what does the config show in the boot partition for the SD card?
Ren: Now listen, Cadet. I've got a job for you. See this button? Ren: Don't touch it! It's the History Eraser button, you fool! Stimpy: So what'll happen? Ren: That's just it. We don't know. Maybe something bad, maybe something good.

StNdGoblin
Posts: 6
Joined: Wed Jul 06, 2016 9:23 am

Re: RP3 does not output audio via HDMI

Mon Jul 11, 2016 4:51 pm

Code: Select all

# For more options and information see
# http://www.raspberrypi.org/documentation/configuration/config-txt.md
# Some settings may impact device functionality. See link above for details

# uncomment if you get no picture on HDMI for a default "safe" mode
#hdmi_safe=1

# uncomment this if your display has a black border of unused pixels visible
# and your display can output without overscan
#disable_overscan=1

# uncomment the following to adjust overscan. Use positive numbers if console
# goes off screen, and negative if there is too much border
#overscan_left=16
#overscan_right=16
#overscan_top=16
#overscan_bottom=16

# uncomment to force a console size. By default it will be display's size minus
# overscan.
#framebuffer_width=1280
#framebuffer_height=720

# uncomment if hdmi display is not detected and composite is being output
#hdmi_force_hotplug=1

# uncomment to force a specific HDMI mode (this will force VGA)
#hdmi_group=1
#hdmi_mode=1

# uncomment to force a HDMI mode rather than DVI. This can make audio work in
# DMT (computer monitor) modes
#hdmi_drive=2

# uncomment to increase signal to HDMI, if you have interference, blanking, or
# no display
#config_hdmi_boost=4

# uncomment for composite PAL
#sdtv_mode=2

#uncomment to overclock the arm. 700 MHz is the default.
#arm_freq=800

# Uncomment some or all of these to enable the optional hardware interfaces
#dtparam=i2c_arm=on
#dtparam=i2s=on
#dtparam=spi=on

# Uncomment this to enable the lirc-rpi module
#dtoverlay=lirc-rpi

# Additional overlays and parameters are documented /boot/overlays/README

# Enable audio (loads snd_bcm2835)
dtparam=audio=on

# NOOBS Auto-generated Settings:
hdmi_force_hotplug=1

StNdGoblin
Posts: 6
Joined: Wed Jul 06, 2016 9:23 am

Re: RP3 does not output audio via HDMI

Wed Jul 13, 2016 8:51 am

I finally manager to correctly edit the config.txt file to uncomment the hdmi_mode=2 line. Problem solved.

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