{ "id": 181204, "title": "[Help] Should we add noise (or not) ?", "url": "/competitions/birdsong-recognition/discussion/181204", "author_name": "", "post_date": "2020-09-08T00:48:38.626748500Z", "votes": 8, "comment_count": 9, "views": 0, "content": "
    \n

  1. After seeing in discussion I tried adding noise [using 0.2 signal to noise ration]. However that didn't helped. Decrease in lb score by ~ 0.014
    \nQuestion- In what ratio adding noise can help and what kind of noise are you adding- white noise or environmental /wind ?

    2. \n

  2. Denoise surely can help but we can not run many epoch as denoise is taking a lot of time to run even on a single epoch around ~30 mins
    \nQuestion- Is there any quick way to do that ?

    3. \n
", "messages": [ { "id": "1002242", "postDate": "09/08/2020 00:48:38", "content": "
    \n

  1. After seeing in discussion I tried adding noise [using 0.2 signal to noise ration]. However that didn't helped. Decrease in lb score by ~ 0.014
    \nQuestion- In what ratio adding noise can help and what kind of noise are you adding- white noise or environmental /wind ?

    2. \n

  2. Denoise surely can help but we can not run many epoch as denoise is taking a lot of time to run even on a single epoch around ~30 mins
    \nQuestion- Is there any quick way to do that ?

    3. \n
", "rawMarkdown": "1. After seeing in [discussion](https://www.kaggle.com/c/birdsong-recognition/discussion/170821) I tried adding noise [using 0.2 signal to noise ration]. However that didn't helped. Decrease in lb score by ~ 0.014\n**Question- In what ratio adding noise can help and what kind of noise are you adding- white noise or environmental /wind ?**\n\n2. Denoise surely can help but we can not run many epoch as denoise is taking a lot of time to run even on a single epoch around ~30 mins\nQuestion- Is there any quick way to do that ?", "votes": null }, { "id": "1002808", "postDate": "09/08/2020 12:46:25", "content": "

@yuvaramsingh can you please guide us a bit. Thanks in advance

", "rawMarkdown": "yuvaramsingh can you please guide us a bit. Thanks in advance", "votes": null }, { "id": "1002899", "postDate": "09/08/2020 14:09:21", "content": "

I'd say yes, try to always know what you are doing. play some augmented clips and visualize their spectrogram to understand your augmentations, then check if there are improvements over a few epochs. I learnt that from @hengck23.

", "rawMarkdown": "I'd say yes, try to always know what you are doing. play some augmented clips and visualize their spectrogram to understand your augmentations, then check if there are improvements over a few epochs. I learnt that from @hengck23.", "votes": null }, { "id": "1002940", "postDate": "09/08/2020 14:45:46", "content": "

For me, adding noise increases recall, but reduces precision

", "rawMarkdown": "For me, adding noise increases recall, but reduces precision", "votes": null }, { "id": "1003001", "postDate": "09/08/2020 15:33:37", "content": "

@vlomme Can you please provide some insights. I am using signal to noise ratio for adding noise tried with 0.03 and 0.2 no luck so far. Noise I am using is walking sound+white noise. Thanks in advance :)

", "rawMarkdown": "vlomme Can you please provide some insights. I am using signal to noise ratio for adding noise tried with 0.03 and 0.2 no luck so far. Noise I am using is walking sound+white noise. Thanks in advance :)", "votes": null }, { "id": "1003012", "postDate": "09/08/2020 15:42:36", "content": "

I add white noise, pink noise, band noise to the log spectrogram. Up to the average level in the spectrogram

", "rawMarkdown": "I add white noise, pink noise, band noise to the log spectrogram. Up to the average level in the spectrogram", "votes": null }, { "id": "1003098", "postDate": "09/08/2020 16:57:52", "content": "

Thanks for the insight, I was just considering one noise

", "rawMarkdown": "Thanks for the insight, I was just considering one noise", "votes": null }, { "id": "1003114", "postDate": "09/08/2020 17:06:34", "content": "

nice framework we got here , thanks man

", "rawMarkdown": "nice framework we got here , thanks man", "votes": null }, { "id": "1005557", "postDate": "09/10/2020 15:18:24", "content": "

@vlomme do you add noise to the log spect ? Not add noise to the audio data ? What do you mean about \"Up to the average level \" ?

", "rawMarkdown": "vlomme do you add noise to the log spect ? Not add noise to the audio data ? What do you mean about \"Up to the average level \" ?", "votes": null }, { "id": "1005591", "postDate": "09/10/2020 15:42:42", "content": "

To speed up, I counted the spectrum once, and then worked with it. Noise value random up to image.mean()

", "rawMarkdown": "To speed up, I counted the spectrum once, and then worked with it. Noise value random up to image.mean()", "votes": null } ], "comments": [ { "id": 1002808, "author_name": "jainarindam", "author_url": "", "post_date": "09/08/2020 12:46:25", "content": "

@yuvaramsingh can you please guide us a bit. Thanks in advance

", "votes": null, "replies": [] }, { "id": 1002899, "author_name": "alanchn31", "author_url": "", "post_date": "09/08/2020 14:09:21", "content": "

I'd say yes, try to always know what you are doing. play some augmented clips and visualize their spectrogram to understand your augmentations, then check if there are improvements over a few epochs. I learnt that from @hengck23.

", "votes": null, "replies": [ { "id": 1003114, "author_name": "jainarindam", "author_url": "", "post_date": "09/08/2020 17:06:34", "content": "

nice framework we got here , thanks man

", "votes": null, "replies": [] } ] }, { "id": 1002940, "author_name": "vlomme", "author_url": "", "post_date": "09/08/2020 14:45:46", "content": "

For me, adding noise increases recall, but reduces precision

", "votes": null, "replies": [ { "id": 1003001, "author_name": "jainarindam", "author_url": "", "post_date": "09/08/2020 15:33:37", "content": "

@vlomme Can you please provide some insights. I am using signal to noise ratio for adding noise tried with 0.03 and 0.2 no luck so far. Noise I am using is walking sound+white noise. Thanks in advance :)

", "votes": null, "replies": [] }, { "id": 1003012, "author_name": "vlomme", "author_url": "", "post_date": "09/08/2020 15:42:36", "content": "

I add white noise, pink noise, band noise to the log spectrogram. Up to the average level in the spectrogram

", "votes": null, "replies": [] }, { "id": 1003098, "author_name": "jainarindam", "author_url": "", "post_date": "09/08/2020 16:57:52", "content": "

Thanks for the insight, I was just considering one noise

", "votes": null, "replies": [] }, { "id": 1005557, "author_name": "truonghoang", "author_url": "", "post_date": "09/10/2020 15:18:24", "content": "

@vlomme do you add noise to the log spect ? Not add noise to the audio data ? What do you mean about \"Up to the average level \" ?

", "votes": null, "replies": [] }, { "id": 1005591, "author_name": "vlomme", "author_url": "", "post_date": "09/10/2020 15:42:42", "content": "

To speed up, I counted the spectrum once, and then worked with it. Noise value random up to image.mean()

", "votes": null, "replies": [] } ] } ], "raw_markdown_by_id": { "1002242": "1. After seeing in [discussion](https://www.kaggle.com/c/birdsong-recognition/discussion/170821) I tried adding noise [using 0.2 signal to noise ration]. However that didn't helped. Decrease in lb score by ~ 0.014\n**Question- In what ratio adding noise can help and what kind of noise are you adding- white noise or environmental /wind ?**\n\n2. Denoise surely can help but we can not run many epoch as denoise is taking a lot of time to run even on a single epoch around ~30 mins\nQuestion- Is there any quick way to do that ?", "1002808": "yuvaramsingh can you please guide us a bit. Thanks in advance", "1002899": "I'd say yes, try to always know what you are doing. play some augmented clips and visualize their spectrogram to understand your augmentations, then check if there are improvements over a few epochs. I learnt that from @hengck23.", "1002940": "For me, adding noise increases recall, but reduces precision", "1003001": "vlomme Can you please provide some insights. I am using signal to noise ratio for adding noise tried with 0.03 and 0.2 no luck so far. Noise I am using is walking sound+white noise. Thanks in advance :)", "1003012": "I add white noise, pink noise, band noise to the log spectrogram. Up to the average level in the spectrogram", "1003098": "Thanks for the insight, I was just considering one noise", "1003114": "nice framework we got here , thanks man", "1005557": "vlomme do you add noise to the log spect ? Not add noise to the audio data ? What do you mean about \"Up to the average level \" ?", "1005591": "To speed up, I counted the spectrum once, and then worked with it. Noise value random up to image.mean()" }, "source": "meta" }