I have a Pi3 connected to a CRT TV via camcorder cable - 3.5mm to composite video and audio. Everything works. Does anyone know how to configure the audio to downmix everything to a single channel? My TV only has one speaker.
LibreELEC (official): 9.2.8 (RPi2.arm)
Hardware : BCM2835
Revision : a22082
Serial : 00000000f6317fe1
Model : Raspberry Pi 3 Model B Rev 1.2
pacmd list-cards
0 card(s) available.
pacmd list-sinks
1 sink(s) available.
* index: 0
name: <auto_null>
driver: <module-null-sink.c>
flags: DECIBEL_VOLUME LATENCY FLAT_VOLUME DYNAMIC_LATENCY
state: SUSPENDED
suspend cause: IDLE
priority: 1000
volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB
balance 0.00
base volume: 65536 / 100% / 0.00 dB
volume steps: 65537
muted: no
current latency: 0.00 ms
max request: 344 KiB
max rewind: 344 KiB
monitor source: 0
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
used by: 0
linked by: 0
configured latency: 0.00 ms; range is 0.50 .. 2000.00 ms
module: 6
properties:
device.description = "Dummy Output"
device.class = "abstract"
device.icon_name = "audio-card"