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音声情報処理に便利な (Python) パッケージやソフトウェア
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Akira Tamamori
December 30, 2020
Research
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音声情報処理に便利な (Python) パッケージやソフトウェア
Tokyo BISH Bashの資料から独立させたもの
Akira Tamamori
December 30, 2020
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Transcript
ԻใॲཧԻมʹ ศརͳ (Python) ύοέʔδ ιϑτΣΞͨͪ 1 ༻ײͳͲࢲݟΛؚΈ·͢
TPYQZTPY • ίϚϯυϥΠϯ͔ΒϑΥʔϚοτมͳͲΛ͓खܰʹ • ϑΥʔϚοτมʢwav to mp3 ͳͲʣ • ݁߹ϛοΫεɺτϦϛϯά
Մೳ • όονॲཧָʢγΣϧεΫϦϓτͳͲʣ • Pythonϥούʔ pysox͋Δ • Πϯετʔϧ • brew install sox ͳͲ • pip install sox ← pysox ͷΠϯετʔϧ͜Ε 2
MJCSPTBʢ͜ΕຊʹΦεεϝʣ • Ի/ԻָͷੳʹศརͳϞδϡʔϧ͕ଗͬͨύοέʔδ • ެࣜϚχϡΞϧɾνϡʔτϦΞϧͷॆ࣮ॿ͔Δ • ݸਓతʹΑ͘͏ػೳ • ܗදࣔɺεϖΫτϩάϥϜදࣔ •
Իಛྔநग़ʢରϝϧεϖΫτϩάϥϜʣ • Πϯετʔϧ pip install librosa • ެࣜϖʔδ https://librosa.org/librosa/index.html 3
1Z8PSME • Իͷੳ࠶߹Λߦ͏Ϙίʔμʔͷύοέʔδ • ԻΛʮ৭ɾͷߴ͞ɾͷ͔͢Εʯͷ֤ʹղ͠࠶߹ • C++൛ͷPythonϥούʔ • Իͷಛྔநग़ʹ͑ͯศར ⇒
PySPTKʢޙड़ʣΑΓ࣭ͷΑ͍εϖΫτϧแབྷ • Πϯετʔϧ pip install pyworld • ެࣜϖʔδ https://github.com/JeremyCCHsu/Python-Wrapper-for-World-Vocoder 4
1Z"VEJP • ετϦʔϜԻ / ࠶ੜʹศརͳύοέʔδ • ϦΞϧλΠϜͷԻೖྗɾԻग़ྗʹ͑Δ • ϦΞϧλΠϜԻม with
PythonͳͲՄೳ • Πϯετʔϧ • pip install pyaudio ※ཁportaudio (e.g., brew install portaudio) 5
1Z"VEJPͱ1Z8PSMEͷΈ߹Θͤ • ؆қ൛ͷϘΠενΣϯδϟʔ • ؆қϘΠενΣϯδϟʔͷεΫϦϓτΛվྑɿPyQt5ͷεϥΠμʔʹΑΓ ϐονͱϑΥϧϚϯτΛϦΞϧλΠϜௐ͢ΔػೳΛՃʢฐϒϩάʣ • banibiku • Zoom৴͚ʹ̎࣍ݩΩϟϥʹͳΓ͖Δ͜ͱΛࢦͨ͠ϓϩδΣΫτ
• scripts/voice_converter.py ͕ྑ͍ײ͡ͷϘΠενΣϯδϟʔ → ฐϒϩάͷαϯϓϧεΫϦϓτͷόάϑΟοΫεؚ͕·ΕΔ 6 https://tam5917.hatenablog.com/entry/2019/04/30/213321 https://github.com/peisuke/babiniku
1Z415, • ԻใॲཧπʔϧΩοτSPTKͷPythonϥούʔ • SPTKࣗମLinuxίϚϯυ܈ • Իڹಛྔநग़ʹ͏ͷ͕ศར • Իੳ߹Ͱ͖Δ͕ɺ࣭ࣗମWORLDͷ΄͏্͕ •
Πϯετʔϧ pip install pysptk • ެࣜϖʔδ https://pysptk.readthedocs.io/en/latest/ 7
OONOLXJJ <OBOBNJO LBXBJJ> • DNNԻ߹ʹཱͭϞδϡʔϧΛूΊͨύοέʔδ • ͲͪΒ͔ͱ͍͏ͱݚڀ༻్ • લॲཧԻڹಛྔநग़ͷΫϥε͕Ұ௨Γଗ͍ͬͯΔ •
จͷ࠶ݱ࣮Λ͢Δͱ͖ͳͲʹେ͍ʹཱͭ • Πϯετʔϧ pip install nnmnkwii • ެࣜϖʔδ https://r9y9.github.io/nnmnkwii/stable/index.html 8
1ZEVC • Pydub • ܗฤूʹศརͳϞδϡʔϧΛूΊͨύοέʔδ • αϙʔτ͢ΔϑΝΠϧܗࣜ๛ʢwav, mp3, mp4, wma,
aac, ...ʣ • ػೳ Γग़͠ɺׂɺϛοΫεɺϑΣʔυΠϯΞτɺແԻૠೖɺͳͲͳͲ • Ұ෦ͷػೳ pysoxͷ΄͏͕ߴͱ͍͏ӟ?ʢະ֬ೝʣ • Πϯετʔϧ pip install pydub • ެࣜϖʔδ http://pydub.com/ 9
TQSPDLFU • ౷ܭత࣭มͷͨΊͷπʔϧΩοτ (not ύοέʔδ) • ͲͪΒ͔ͱ͍͏ͱݚڀ༻ ʢMITϥΠηϯεʣ • ݚڀͷʮϕʔεϥΠϯʯߏஙʹ࠷ద
• ެࣜϖʔδ https://github.com/k2kobayashi/sprocket • ղઆจ ʰ౷ܭత࣭มιϑτΣΞೖʱ https://www.jstage.jst.go.jp/article/isciesci/62/2/62_69/_article/-char/ja/ • νϡʔτϦΞϧ (εϥΠυ & notebook) https://github.com/kan-bayashi/INTERSPEECH19_TUTORIAL 10
"VEBDJUZ ೖΕ͓ͯ͘ͱ҆৺ • ϑϦʔͷܗฤूιϑτɺϚϧνϓϥοτϑΥʔϜ • ๛ͳαϯυΤϑΣΫτՃػೳ • ެࣜϖʔδ https://www.audacityteam.org/ 11
(16্ͰԻॲཧ͍ͨ͠Ϛϯʹ ͓͢͢Ίͷύοέʔδ 12 ͓·͚
UPSDIBVEJP • Pytorchެ͕ࣜαϙʔτ͍ͯ͠ΔԻॲཧܥϥΠϒϥϦ • PytorchܥͷਂֶशϞσϧͱͷ૬ੑ͕ྑ͍ʢͦΕͦ͏ʣ • ެࣜϖʔδ https://pytorch.org/audio/stable/index.html 13
UGTJHOBM • TensorFlowެ͕ࣜαϙʔτ͍ͯ͠ΔԻॲཧܥͷؔ܈ • TFܥͷਂֶशϞσϧͱͷ૬ੑ͕ྑ͍ʢͦΕͦ͏ʣ • FFT/iFFT, DCT, MDCT, STFTͳͲ
• ެࣜϖʔδ https://www.tensorflow.org/api_docs/python/tf/signal 14
UPSDIMJCSPTB • PytorchΛόοΫΤϯυʹͯ͠librosaΛGPU্Ͱಈ͔͢ • Πϯετʔϧ pip install torchlibrosa • ެࣜϖʔδ
https://github.com/qiuqiangkong/torchlibrosa 15
LBQSF • Kerasʢͱ͍͏͔TFʣΛόοΫΤϯυʹͯ͠Իॲཧ͢Δ • STFTiSTFTɺϝϧεϖΫτϩάϥϜͳͲ • CQTͳͲͳ͍ • ެࣜϖʔδ https://github.com/keunwoochoi/kapre
• Πϯετʔϧ pip install kapre 16
OO"VEJP • PytorchΛόοΫΤϯυʹͯ͠STFTͳͲΛGPU্Ͱಈ͔͢ • STFTɺٯSTFTɺCQTͳͲΑ͘͏ಛநग़ܥ͕ଗ͏ • ެࣜϖʔδ https://github.com/KinWaiCheuk/nnAudio 17
OO"VEJPʢ͖ͭͮʣ • ൺֱද 18