Audio Classification : การจำแนกเสียงด้วย โครงข่ายประสาทแบบ คอนโวลูชั่น (CNN)



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Audio Classification : การจำแนกเสียงด้วย โครงข่ายประสาทแบบ คอนโวลูชั่น (CNN)

ใช้ deep learning เรียนรู้ลักษณะของเสียงและสามารถจำแนกได้อย่างแม่นยำ

http://www.david11n.myweb.cs.uwindsor.ca/60499/w/VACUUM

เทคโนโลยีที่เกี่ยวกับAI ด้านเสียงที่ได้ยินกันบ่อยๆ คือ Speech Recognition ซึ่งเป็นการทำให้ AI รู้จำเสียงและสามารถแยกแยะได้ว่าเป็นเสียงพูดว่าอะไร วันนี้เราจะมาศึกษาพื้นฐานของการรู้จำเสียง ของ AI กันนะครับ โดยเราจะใช้เทคนิคที่เรามักใช้กับการแยกแยะรูปภาพ นั่นก็คือ CNN-Convolutional Neural Network มาดูกันว่า

นอกจาก CNN จะแยกรูปภาพได้ดีแล้ว ยังเอามาใช้กับเสียงได้ด้วย ทำอย่างไรไปดูกันครับ

Pipeline

  1. Audio dataset prepare
  2. Feature Extract
  3. Model training
  4. Model evalution

เรามาเริ่มที่ขั้นตอนแรกกันก่อน การเตรียมเสียง วันนี้เราจะให้ CNN ลองแยกเสียงเครื่องดนตรีสองชนิดคือ กีตาร์ไฟฟ้า และ คีย์บอร์ด

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