remove old audio stuff and turn up mic

pi/bin/audio-capture.sh

@@ -1,22 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-FIFO="${AUDIO_FIFO:-/var/lib/roverd/audio.pcm}"
-DEVICE="${AUDIO_DEVICE:-hw:0,0}"
-RATE="${AUDIO_RATE:-48000}"
-CHANNELS="${AUDIO_CHANNELS:-2}"
-FORMAT="${AUDIO_FORMAT:-S32_LE}"
-
-prepare_fifo() {
-	install -o roverd -g audio -m 0660 /dev/null "$FIFO" 2>/dev/null || true
-	if [[ ! -p "$FIFO" ]]; then
-		rm -f "$FIFO"
-		mkfifo "$FIFO"
-		chown roverd:audio "$FIFO"
-		chmod 0660 "$FIFO"
-	fi
-}
-
-prepare_fifo
-
-exec arecord -D "$DEVICE" -f "$FORMAT" -c "$CHANNELS" -r "$RATE" -q -t raw "$FIFO"

pi/bin/audio-only-publisher.sh

@@ -42,7 +42,7 @@ run_pipeline() {
 		-ar "${AUDIO_RATE}" \
 		-ac "${AUDIO_CHANNELS}" \
 		-i <(arecord -D "${AUDIO_DEVICE}" -f S32_LE -c "${AUDIO_CHANNELS}" -r "${AUDIO_RATE}" -B 65536 -F 2048 -q -t raw) \
-		-af "aresample=16000,pan=mono|c0=0.5*FL+0.5*FR" \
+		-af "aresample=16000,pan=mono|c0=0.5*FL+0.5*FR,volume=10dB" \
 		-c:a libopus \
 		-b:a 24000 \
 		-ar:a 16000 \