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๐Ÿ Python & library/librosa 4

[Librosa] music/audio processing library Librosa ์‚ฌ์šฉ๋ฒ• Tutorial - (4) Audio feature processing

music/audio processing library Librosa ์‚ฌ์šฉ๋ฒ• Tutorial (1) Install, import and load (2) Audio data representations (Spectogram, Mel-spectogram) (3) Audio feature extraction (4) Audio feature processing (3)์—์„œ ์ถ”์ถœํ•œ Audio feature์„ ๊ฐ€์ง€๊ณ  ์ถ”๊ฐ€์ ์ธ processing์„ ํ•˜์—ฌ ์ˆ˜ํ–‰ํ•  task์˜ ์„ฑ๋Šฅ์„ ๋†’์ผ ์ˆ˜ ์žˆ๋‹ค. Using Delta and Double-delta Feature์˜ delta(1์ฐจ ์ฐจ๋ถ„)์™€ double-delta(2์ฐจ ์ฐจ๋ถ„) ๊ฐ’๋“ค์„ ์ด์šฉํ•  ์ˆ˜ ์žˆ๋‹ค. ์•„๋ž˜ ์ฝ”๋“œ๋Š” 13-dim mean mfcc์˜ delta์™€ double-de..

[Librosa] music/audio processing library Librosa ์‚ฌ์šฉ๋ฒ• Tutorial - (3) Audio feature extraction

music/audio processing library Librosa ์‚ฌ์šฉ๋ฒ• Tutorial (1) Install, import and load (2) Audio data representations (Spectogram, Mel-spectogram) (3) Audio feature extraction (4) Audio feature processing Audio data๋ฅผ ์ด์šฉํ•ด genre classification, instrument recognition, melody extraction ๋“ฑ์˜ task๋ฅผ ์ˆ˜ํ–‰ํ•˜๋ ค๋ฉด audio data์˜ feature์„ ์ถ”์ถœํ•ด์•ผ ํ•œ๋‹ค. Librosa๋ฅผ ์ด์šฉํ•ด RMS, Spectral statistics, MFCC, Chroma๋ฅผ ๊ตฌํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•ด ์†Œ๊ฐœํ•˜๊ฒ ๋‹ค. I. ..

[Librosa] music/audio processing library Librosa ์‚ฌ์šฉ๋ฒ• Tutorial - (2) Audio data representations (Spectrogram, Mel-spectogram)

music/audio processing library Librosa ์‚ฌ์šฉ๋ฒ• Tutorial (1) Install, import and load (2) Audio data representations (Spectrogram, Mel-spectogram) (3) Audio feature extraction (4) Audio feature processing librosa.load method๋ฅผ ์ด์šฉํ•˜์—ฌ audio file์„ ๋ถˆ๋Ÿฌ์˜ค๋ฉด waveform์˜ ํ˜•ํƒœ๋กœ ๋ฐ์ดํ„ฐ๋ฅผ ์–ป๊ฒŒ ๋œ๋‹ค. Waveform๋งŒ์œผ๋กœ๋Š” audio data๋ฅผ ๋ถ„์„ํ•˜๊ธฐ์— ์–ด๋ ค์›€์ด ์žˆ๋‹ค. ์ด๋ฒˆ ๊ธ€์—์„œ๋Š” Audio data๋ฅผ ๋ถ„์„ํ•˜๊ณ  ํŠน์ง•์„ ์•Œ์•„๋‚ผ ์ˆ˜ ์žˆ๋Š” representation์„ librosa๋กœ ์–ป๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•ด ์†Œ๊ฐœํ•˜๊ฒ ๋‹ค. Spectrogr..

[Librosa] music/audio processing library Librosa ์‚ฌ์šฉ๋ฒ• Tutorial - (1) install, import and load

Librosa๋Š” music/audio data์˜ ์ฒ˜๋ฆฌ๋ฅผ ์œ„ํ•ด ์‚ฌ์šฉ๋˜๋Š” library์ด๋‹ค. ์ด๋ฒˆํ•™๊ธฐ ์ˆ˜์—…์—์„œ ์‚ฌ์šฉํ•˜๊ฒŒ ๋˜์–ด ์‚ฌ์šฉ๋ฒ•์„ ์ •๋ฆฌํ•ด๋ณด๋ ค๊ณ  ํ•œ๋‹ค. Official docs: https://librosa.org/doc/main/index.html librosa — librosa 0.8.1 documentation © Copyright 2013--2021, librosa development team. librosa.org music/audio processing library Librosa ์‚ฌ์šฉ๋ฒ• Tutorial (1) Install, import and load (2) Audio data representations (Spectogram, Mel-spectogram) (3) Audio feature ..

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