Running Debian buster on Raspberry Pi 4 Model B Rev 1.4.
Installed ReSpeaker 4-Mic Array without output audio JACK . Mics do not work If i connect speaker to PI built in 3.5 mm jack ( silent).
If I remove Speaker I am able to capture . Tried all but failed .
root@raspberrypi:/home/pi# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones]
Subdevices: 8/8
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
Subdevice #2: subdevice #2
Subdevice #3: subdevice #3
Subdevice #4: subdevice #4
Subdevice #5: subdevice #5
Subdevice #6: subdevice #6
Subdevice #7: subdevice #7
root@raspberrypi:/home/pi# arecord -l
**** List of CAPTURE Hardware Devices ****
card 1: seeed4micvoicec [seeed-4mic-voicecard], device 0: bcm2835-i2s-ac10x-codec0 ac10x-codec0-0 [bcm2835-i2s-ac10x-codec0 ac10x-codec0-0]
Subdevices: 1/1
Subdevice #0: subdevice #0
root@raspberrypi:/home/pi# aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
jack
JACK Audio Connection Kit
pulse
PulseAudio Sound Server
playback
ac108
default
output
sysdefault:CARD=Headphones
bcm2835 Headphones, bcm2835 Headphones
Default Audio Device
dmix:CARD=Headphones,DEV=0
bcm2835 Headphones, bcm2835 Headphones
Direct sample mixing device
dsnoop:CARD=Headphones,DEV=0
bcm2835 Headphones, bcm2835 Headphones
Direct sample snooping device
hw:CARD=Headphones,DEV=0
bcm2835 Headphones, bcm2835 Headphones
Direct hardware device without any conversions
plughw:CARD=Headphones,DEV=0
bcm2835 Headphones, bcm2835 Headphones
Hardware device with all software conversions
usbstream:CARD=Headphones
bcm2835 Headphones
USB Stream Output
usbstream:CARD=seeed4micvoicec
seeed-4mic-voicecard
USB Stream Output
and my /boot/conf.txt. is
dtparam=i2c_arm=on
dtparam=spi=on
dtparam=audio=on
dtoverlay=i2s-mmap
dtparam=i2s=on
Please help me . I want to input from 4 MIC array and Output from 3.5 mm Connected speaker