# Acoustic Materials And Metamaterials

- Institution: IIT Roorkee
- Department: Mechanical Engineering
- Teacher: Prof. Sneha Singh
- Level: Undergraduate
- Language: English
- Subjects: Engineering
- Source: [NPTEL](https://nptel.ac.in/courses/112107290)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/112107290)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Introduction](https://invisiblenetwork.ai/learn/nptel/112107290/7a648f51c628) (Video)
2. [Sound Wave Propagation in Fluid-I](https://invisiblenetwork.ai/learn/nptel/112107290/3cd56f53b7c6) (Video)
3. [Sound Wave Propagation in Fluid-II](https://invisiblenetwork.ai/learn/nptel/112107290/640a903d5bcd) (Video)
4. [Sound Wave Propagation in Fluid-III](https://invisiblenetwork.ai/learn/nptel/112107290/c4ab31374aed) (Video)
5. [Sound Propagation at Medium Boundaries-I](https://invisiblenetwork.ai/learn/nptel/112107290/2374eb868174) (Video)
6. [Sound Propagation at Medium Boundaries-II](https://invisiblenetwork.ai/learn/nptel/112107290/17df6a610107) (Video)
7. [Standing Waves and Modes](https://invisiblenetwork.ai/learn/nptel/112107290/3a7f6c2f1e68) (Video)
8. [Sound Signal Analysis-I](https://invisiblenetwork.ai/learn/nptel/112107290/5ede90906f3d) (Video)
9. [Sound Signal Analysis-II](https://invisiblenetwork.ai/learn/nptel/112107290/d8e098a40c53) (Video)
10. [Principles of Noise Control](https://invisiblenetwork.ai/learn/nptel/112107290/8d3d0bf14b16) (Video)
11. [Acoustic Materials](https://invisiblenetwork.ai/learn/nptel/112107290/e2f750d91a12) (Video)
12. [Enclosures](https://invisiblenetwork.ai/learn/nptel/112107290/d0c864358c6d) (Video)
13. [Barriers](https://invisiblenetwork.ai/learn/nptel/112107290/904406b306ad) (Video)
14. [Enclosures and Barriers-Tutorial](https://invisiblenetwork.ai/learn/nptel/112107290/09e32604e189) (Video)
15. [Sound Absorbing Materials](https://invisiblenetwork.ai/learn/nptel/112107290/b3081907d837) (Video)
16. [Porous-Fibrous Sound Absorbers](https://invisiblenetwork.ai/learn/nptel/112107290/950fa34e5239) (Video)
17. [Panel Sound Absorbers](https://invisiblenetwork.ai/learn/nptel/112107290/30eda7a6f98f) (Video)
18. [Helmholtz Resonators](https://invisiblenetwork.ai/learn/nptel/112107290/e379aa8c96a2) (Video)
19. [Tutorial on Sound Absorbers](https://invisiblenetwork.ai/learn/nptel/112107290/49fec33404cb) (Video)
20. [Perforated Panel Absorbers](https://invisiblenetwork.ai/learn/nptel/112107290/b152c62843a5) (Video)
21. [Microperforated Panel Absorbers-1](https://invisiblenetwork.ai/learn/nptel/112107290/e96cd3a98eaf) (Video)
22. [Microperforated Panel Absorbers-2](https://invisiblenetwork.ai/learn/nptel/112107290/2b67ef6765be) (Video)
23. [Microperforated Panel Absorbers-3](https://invisiblenetwork.ai/learn/nptel/112107290/f0d3ab9287b7) (Video)
24. [Introduction to Acoustic Metamaterials-1](https://invisiblenetwork.ai/learn/nptel/112107290/ea32dcbb9071) (Video)
25. [Introduction to Acoustic Metamaterials-2](https://invisiblenetwork.ai/learn/nptel/112107290/9bf9db633864) (Video)
26. [History of Acoustic Metamaterials](https://invisiblenetwork.ai/learn/nptel/112107290/2a64466ccdd9) (Video)
27. [Applications of Acoustic Metamaterials](https://invisiblenetwork.ai/learn/nptel/112107290/b30a2a4ea86b) (Video)
28. [Membrane Type Acoustic Metamaterials-1](https://invisiblenetwork.ai/learn/nptel/112107290/427006ba5246) (Video)
29. [Membrane Type Acoustic Metamaterials-2](https://invisiblenetwork.ai/learn/nptel/112107290/cc56d0ae8468) (Video)
30. [Membrane Type Acoustic Metamaterials-3](https://invisiblenetwork.ai/learn/nptel/112107290/4d22ebe3efe4) (Video)
31. [Membrane Type Acoustic Metamaterials-4](https://invisiblenetwork.ai/learn/nptel/112107290/74a47cc08c1c) (Video)
32. [Advantages and Applications of Membrane Type AMM](https://invisiblenetwork.ai/learn/nptel/112107290/b195df75bd41) (Video)
33. [Tutorial on Membrane Type AMM](https://invisiblenetwork.ai/learn/nptel/112107290/aae7082f8270) (Video)
34. [Introduction to Sonic Crystals](https://invisiblenetwork.ai/learn/nptel/112107290/1b42baf72c6f) (Video)
35. [Fundamentals of Crystals](https://invisiblenetwork.ai/learn/nptel/112107290/d694205719e8) (Video)
36. [Principle of Working of Sonic Crystals-1](https://invisiblenetwork.ai/learn/nptel/112107290/1e35f12aa426) (Video)
37. [Principle of Working of Sonic Crystals-2](https://invisiblenetwork.ai/learn/nptel/112107290/a08d2800d96d) (Video)
38. [Tutorial on Sonic Crystals](https://invisiblenetwork.ai/learn/nptel/112107290/6590894f01f2) (Video)
39. [More on Sonic Crystals and Conclusions](https://invisiblenetwork.ai/learn/nptel/112107290/13639be323dc) (Video)