{
  "id": 271886,
  "title": "Why we are (almost) all using CQT?",
  "url": "/competitions/g2net-gravitational-wave-detection/discussion/271886",
  "author_name": "",
  "post_date": "2021-09-13T02:47:09.557768200Z",
  "votes": 4,
  "comment_count": 5,
  "views": 0,
  "content": "<p>Sorry if I am being too naive but why are most people using CQT transformed data? Why not Mel? Or something else?</p>\n<p>Looking forward your responses ☺️</p>",
  "messages": [
    {
      "id": "1511005",
      "postDate": "09/13/2021 02:47:09",
      "content": "<p>Sorry if I am being too naive but why are most people using CQT transformed data? Why not Mel? Or something else?</p>\n<p>Looking forward your responses ☺️</p>",
      "rawMarkdown": "Sorry if I am being too naive but why are most people using CQT transformed data? Why not Mel? Or something else?\n\nLooking forward your responses ☺️",
      "votes": null
    },
    {
      "id": "1511096",
      "postDate": "09/13/2021 05:48:14",
      "content": "<p>True, Most public notebooks are using CQT. But that doesn't mean people are not trying other methods. .CWT also works great in this data orientation or some maybe using raw wave with CNNs. There's lots of methods to try. CQT is popular because maybe the initial baseline notebooks are mostly based on that, and Mel spectrogram performed poorly compared to that</p>",
      "rawMarkdown": "True, Most public notebooks are using CQT. But that doesn't mean people are not trying other methods. .CWT also works great in this data orientation or some maybe using raw wave with CNNs. There's lots of methods to try. CQT is popular because maybe the initial baseline notebooks are mostly based on that, and Mel spectrogram performed poorly compared to that",
      "votes": null
    },
    {
      "id": "1511122",
      "postDate": "09/13/2021 06:27:38",
      "content": "<p>I too tried Mels and hasn't been able to make them work as good as CQT, maybe it's lack of domain knowledge (signal processing) or absence of proper normalization</p>",
      "rawMarkdown": "I too tried Mels and hasn't been able to make them work as good as CQT, maybe it's lack of domain knowledge (signal processing) or absence of proper normalization",
      "votes": null
    },
    {
      "id": "1511196",
      "postDate": "09/13/2021 07:43:21",
      "content": "<p>I agree with you, maybe it is the lack of signal processing knowledge</p>",
      "rawMarkdown": "I agree with you, maybe it is the lack of signal processing knowledge",
      "votes": null
    },
    {
      "id": "1511369",
      "postDate": "09/13/2021 11:16:27",
      "content": "<p>Best way to answer is to try for yourself, or to read early posts in this forum where people discuss various signal procesisng they tried.</p>",
      "rawMarkdown": "Best way to answer is to try for yourself, or to read early posts in this forum where people discuss various signal procesisng they tried.",
      "votes": null
    },
    {
      "id": "1559707",
      "postDate": "10/27/2021 07:08:21",
      "content": "<p>Hey All,</p>\n<p>Thank you all for taking part in our competition. The participation has been overwhelmingly positive. We are currently conducting a survey to gauge the demographic and outreach achieved. Kindly spare 2min and fill in this survey <a href=\"https://forms.gle/QP9L16niPexozyhu5\" target=\"_blank\">https://forms.gle/QP9L16niPexozyhu5</a>.</p>\n<p>Thank you all,</p>\n<p>Regards,<br>\nChris</p>",
      "rawMarkdown": "Hey All,\n\nThank you all for taking part in our competition. The participation has been overwhelmingly positive. We are currently conducting a survey to gauge the demographic and outreach achieved. Kindly spare 2min and fill in this survey https://forms.gle/QP9L16niPexozyhu5.\n\nThank you all,\n\nRegards,\nChris",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 1511096,
      "author_name": "zarif98sjs",
      "author_url": "",
      "post_date": "09/13/2021 05:48:14",
      "content": "<p>True, Most public notebooks are using CQT. But that doesn't mean people are not trying other methods. .CWT also works great in this data orientation or some maybe using raw wave with CNNs. There's lots of methods to try. CQT is popular because maybe the initial baseline notebooks are mostly based on that, and Mel spectrogram performed poorly compared to that</p>",
      "votes": null,
      "replies": [
        {
          "id": 1511122,
          "author_name": "martynoveduard",
          "author_url": "",
          "post_date": "09/13/2021 06:27:38",
          "content": "<p>I too tried Mels and hasn't been able to make them work as good as CQT, maybe it's lack of domain knowledge (signal processing) or absence of proper normalization</p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 1511196,
          "author_name": "zarif98sjs",
          "author_url": "",
          "post_date": "09/13/2021 07:43:21",
          "content": "<p>I agree with you, maybe it is the lack of signal processing knowledge</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 1511369,
      "author_name": "cpmpml",
      "author_url": "",
      "post_date": "09/13/2021 11:16:27",
      "content": "<p>Best way to answer is to try for yourself, or to read early posts in this forum where people discuss various signal procesisng they tried.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 1559707,
      "author_name": "zerafachris",
      "author_url": "",
      "post_date": "10/27/2021 07:08:21",
      "content": "<p>Hey All,</p>\n<p>Thank you all for taking part in our competition. The participation has been overwhelmingly positive. We are currently conducting a survey to gauge the demographic and outreach achieved. Kindly spare 2min and fill in this survey <a href=\"https://forms.gle/QP9L16niPexozyhu5\" target=\"_blank\">https://forms.gle/QP9L16niPexozyhu5</a>.</p>\n<p>Thank you all,</p>\n<p>Regards,<br>\nChris</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1511005": "Sorry if I am being too naive but why are most people using CQT transformed data? Why not Mel? Or something else?\n\nLooking forward your responses ☺️",
    "1511096": "True, Most public notebooks are using CQT. But that doesn't mean people are not trying other methods. .CWT also works great in this data orientation or some maybe using raw wave with CNNs. There's lots of methods to try. CQT is popular because maybe the initial baseline notebooks are mostly based on that, and Mel spectrogram performed poorly compared to that",
    "1511122": "I too tried Mels and hasn't been able to make them work as good as CQT, maybe it's lack of domain knowledge (signal processing) or absence of proper normalization",
    "1511196": "I agree with you, maybe it is the lack of signal processing knowledge",
    "1511369": "Best way to answer is to try for yourself, or to read early posts in this forum where people discuss various signal procesisng they tried.",
    "1559707": "Hey All,\n\nThank you all for taking part in our competition. The participation has been overwhelmingly positive. We are currently conducting a survey to gauge the demographic and outreach achieved. Kindly spare 2min and fill in this survey https://forms.gle/QP9L16niPexozyhu5.\n\nThank you all,\n\nRegards,\nChris"
  },
  "source": "meta"
}