Digital Signal Processing (JEC-501) crash course, Online B.Tech, Semester 5:
DFT/FFT (8-point DIT butterfly, multiplication count, circular convolution, DFT properties) and FIR vs IIR filter design cover most marks; add…
- 5 video lessons
- 1h 15m
- Study notes
- 25 quiz questions
- Assignment
5 lessons in Digital Signal Processing
Each lesson pairs one topic with a hand-picked video, trimmed to the part that teaches it.
About this subject
DFT/FFT (8-point DIT butterfly, multiplication count, circular convolution, DFT properties) and FIR vs IIR filter design cover most marks; add decimation/interpolation for a third long-answer option.
- 1
Digital filters: FIR vs IIR, design methods, analog vs digital
Must study for the exam (×5 · A5, A6, B3, B6, C1 2 + 2 + 5 + 5 + 15 marks · MCQ, comparison, block diagram, long comparison).
FIR and IIR Filters Explained | Basics, Desining Process, and Comparision· Engineering Funda· 28 min
Study notes 5 quiz questionsWatch lesson - 2
DFT and FFT: radix-2 DIT butterfly, computation count, circular convolution
Must study for the exam (×5 · A7, A8, B4, C2, C4 2 + 2 + 5 + 15 + 15 marks · MCQ, property statement, diagram, numerical).
8-Point DFT Solved using Radix-2 DIT FFT Algorithm | Digital Signal Processing Problem Tutorial· EC Academy· 11 min
Study notes 5 quiz questionsWatch lesson - 3
Multirate DSP: decimation, interpolation, filter banks
High value for the exam (×4 · A9, A10, B5, C3 2 + 2 + 5 + 15 marks · MCQ, definition, sketch).
Decimation and Interpolation in DSP| Digital Signal Processing| Downsampling and Upsampling· Easy Electronics· 23 min
Study notes 5 quiz questionsWatch lesson - 4
Window functions
High value for the exam (×3 · A3, A4, B2 2 + 2 + 5 marks · MCQ, comparison).
FIR Filter Design: Different Window Functions Explained (Rectangular, Hamming, Hanning, Blackman)· EC Academy· 5 min
Study notes 5 quiz questionsWatch lesson - 5
Discrete-time signals and systems
If time permits for the exam (×3 · A1, A2, B1 2 + 2 + 5 marks · MCQ, numerical).
Discrete Time Systems in DSP 🔥🔥· Perfect Computer Engineer· 8 min
Study notes 5 quiz questionsWatch lesson
Assignment
DSP Exam Practice Set: Signals, FFT, Filters, Windows and Multirate
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Hand-picked video lessons
5 short lessons, each with the best YouTube explanation we could find, trimmed to the part that matters.
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Study notes
5 lessons come with a summary, key points, key terms and takeaways for quick revision.
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Quizzes
25 questions across the course, with the right answer and why, the moment you pick.
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Assignments
1 subject assignments with clear tasks, so you practise what each subject actually asks of you.
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Notebook
Write notes beside the video, stamped with the exact time, and jump back to that moment later.
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Completed lessons, quiz scores and where you stopped, saved to your account on every device.
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A members-only live chat beside every lesson: doubts, tips, stickers and GIFs with your batch. One ₹19 pass opens every live chat.
The Online B.Tech live chat. Study together, live.
A live chat right beside the video, shared by everyone studying Online B.Tech. Ask a Digital Signal Processing doubt mid-lesson, share a shortcut, celebrate a finished semester.
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Anyone else finding Digital Signal Processing tricky? 😅
Lesson 2 cleared it up for me. Watch it before the quiz

Doing it now, thanks!
Starting Applications of Psychology tonight if anyone wants to go together
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Digital Signal Processing: common questions
DFT/FFT (8-point DIT butterfly, multiplication count, circular convolution, DFT properties) and FIR vs IIR filter design cover most marks; add decimation/interpolation for a third long-answer option. It's the Digital Signal Processing subject of Online B.Tech, Semester 5, in 5 lessons: Digital filters: FIR vs IIR, design methods, analog vs digital; DFT and FFT: radix-2 DIT butterfly, computation count, circular convolution; Multirate DSP: decimation, interpolation, filter banks; Window functions; Discrete-time signals and systems.
Yes. Every video lesson is free to watch without an account. A free login unlocks study notes, quizzes, the assignment, a notebook and progress that syncs across devices.
About 1h 15m of video across 5 lessons, plus time for notes and quizzes. Go at your own pace; your place is saved.
Yes: “DSP Exam Practice Set: Signals, FFT, Filters, Windows and Multirate”. It comes after the last lesson, with a brief, clear tasks and how the work is judged.
A members-only live chat beside the video, shared by everyone studying Online B.Tech, where learners ask doubts, share tips and react with stickers and GIFs. One ₹19 pass, paid once from your InsideEdge wallet, opens the live chat for every degree.
No. It's a crash course to help you understand and revise the subject quickly. Use it alongside your official study material and assignments.