Install.sh expects microphone to support mono

[urbanadventurer]

Issue Type

• Bug report

Description

install.sh expects microphone to have mono input with a single channel. My microphone has stereo only so doesn't install with it.

Here in install.sh it expects -c 1.

   # Test audio device access
    if ! arecord -c 1 -f S16_LE -r 48000 -d 1 -D "$device" /dev/null 2>/dev/null; then
        print_message "❌ Failed to access audio device" "$RED"
        print_message "This could be due to:" "$YELLOW"
        print_message "  • Device is busy" "$YELLOW"
        print_message "  • Insufficient permissions" "$YELLOW"
        print_message "  • Device is not properly connected" "$YELLOW"
        return 1
    else
        print_message "✅ Audio device validated successfully, tested 48kHz 16-bit mono capture" "$GREEN"
    fi

Steps to Reproduce (for bugs)

1. ./install.sh on a Raspberry Pi 4B on Debian Bookworm-lite

Expected behavior

Detect USB mic

Actual behavior

Failed to detect USB microphone

🎤 Audio Capture Configuration
1) Use sound card
2) Use RTSP stream
❓ Select audio input method (1/2): 1

🎤 Detected audio devices:
[1] Card 3: Adapter USB-C Audio Adapter
    Device 0: USB Audio [USB Audio]

Please select a device number from the list above (1-1) [1] or 'b' to go back:
✅ Selected capture device: USB Audio
❌ Failed to access audio device
This could be due to:
  • Device is busy
  • Insufficient permissions
  • Device is not properly connected
❌ Failed to validate audio device

Screenshots

[If applicable, add screenshots to help explain your problem]

Environment

Version Information (build date)

🐦 BirdNET-Go build date: 2025-01-13T19:57:04Z, using config file: /root/.config/birdnet-go/config.yaml

System Information

• Device:
  • USB Audio device: Cubilux ‎Lavalier, Mini ‎Black, USB A with 3.5mm Jack

Possible Solution

My workaround was to change this so it has 2 channels.

    # Test audio device access
    if ! arecord -c 2 -f S16_LE -r 48000 -d 1 -D "$device" /dev/null 2>/dev/null; then