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  {
   "cell_type": "code",
   "execution_count": 80,
   "id": "ecebe95b",
   "metadata": {},
   "outputs": [],
   "source": [
    "import librosa\n",
    "import os\n",
    "import soundfile as sf"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 89,
   "id": "ca1d6ddb",
   "metadata": {},
   "outputs": [],
   "source": [
    "def splitWAVFile(file_path, short_name, step, folder_path):\n",
    "    # Load the audio file\n",
    "    audio, sr = librosa.load(file_path, sr=None)\n",
    "    \n",
    "    # Calculate the number of samples per segment\n",
    "    samples_per_segment = int(step * sr)\n",
    "    total_segments = len(audio) // samples_per_segment\n",
    "    \n",
    "    if not os.path.exists(folder_path):\n",
    "        os.makedirs(folder_path)\n",
    "    \n",
    "    if(len(audio)<samples_per_segment):\n",
    "        print(drop)\n",
    "        return\n",
    "    \n",
    "    for i in range(total_segments):\n",
    "        start_sample = i * samples_per_segment\n",
    "        end_sample = start_sample + samples_per_segment\n",
    "        \n",
    "        # Extract the segment\n",
    "        segment = audio[start_sample:end_sample]\n",
    "        \n",
    "        output_path = folder_path+\"/\"+short_name+\"_\"+str(i)+\".wav\"\n",
    "        sf.write(output_path, segment, sr)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 90,
   "id": "ad236328",
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   "source": [
    "nocNoise_folder = \"/Users/lainiecederholm/bat data/Noctula nyctalus with noise\"\n",
    "nocNoNoise_folder = \"/Users/lainiecederholm/bat data/Noctula nyctalus with out social sound and noise\"\n",
    "pipNoise_folder = \"/Users/lainiecederholm/bat data/Pipistrellus pygmaus with social sound\"\n",
    "pipNoNoise_folder = \"/Users/lainiecederholm/bat data/Pipistrellus pygmaus without social sound\"\n",
    "\n",
    "\n",
    "for file in os.listdir(nocNoise_folder):\n",
    "    if (file.endswith(\".wav\")):\n",
    "        file_path = \"/Users/lainiecederholm/bat data/Noctula nyctalus with noise/\"+file\n",
    "        splitWAVFile(file_path, file, 2, \"/Users/lainiecederholm/bat data/Noctula with Noise Crop\")\n",
    "    \n",
    "for file in os.listdir(nocNoNoise_folder):\n",
    "    if (file.endswith(\".wav\")):\n",
    "        file_path = \"/Users/lainiecederholm/bat data/Noctula nyctalus with out social sound and noise/\"+file\n",
    "        splitWAVFile(file_path, file, 2, \"/Users/lainiecederholm/bat data/Noctula without Noise Crop\")\n",
    "\n",
    "for file in os.listdir(pipNoise_folder):\n",
    "    if (file.endswith(\".wav\")):\n",
    "        file_path = \"/Users/lainiecederholm/bat data/Pipistrellus pygmaus with social sound/\"+file\n",
    "        splitWAVFile(file_path, file, 2, \"/Users/lainiecederholm/bat data/Pipistrellus with Noise Crop\")\n",
    "    \n",
    "for file in os.listdir(pipNoNoise_folder):\n",
    "    if (file.endswith(\".wav\")):\n",
    "        file_path = \"/Users/lainiecederholm/bat data/Pipistrellus pygmaus without social sound/\"+file\n",
    "        splitWAVFile(file_path, file, 2, \"/Users/lainiecederholm/bat data/Pipistrellus without Noise Crop\")\n",
    "print(drop)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "3fc56932",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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