#!/bin/bash

# 
RECORD_FILE="/tmp/my_recording.wav"
RECORD_TIME=5

echo "=================================="
echo "Recording will begin in 5 seconds."
sleep 1

# ======================================
echo "Recording is in progress."
arecord \
  --format=S16_LE \
  --rate=16000 \
  --channels=1 \
  --duration=$RECORD_TIME \
  $RECORD_FILE


# =========================================
echo "Recording completed."
echo "start play recording..."
aplay $RECORD_FILE

echo -e "\n play completed!"