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AMAZON
Digital Signal Processing, 4/E
₹289
₹999
71% OFF
Updated 22nd Sep 2026, 03:10 PM
Buy Now
Price Analysis & Buying Guide
45 / 100
Fair Price
Confidence: 100%
Avg Discount
28/28
Recent Discount
0/22
Historical Pos.
13.2/20
Low Proximity
0/20
Trend Bonus
4/10
Avg Price
₹1,202
6M Avg
₹276
All-Time Low
₹195
All-Time High
₹5,570
vs MRP
↓71.1%
Price Benchmarks
Lowest Ever
₹195
29th Nov 2019
Highest Ever
₹5,570
4th Jan 2019
Average Price
₹1,197
207 data points
3-Month Low
₹210
11th Aug 2026
6-Month Low
₹210
11th Aug 2026
12-Month Low
₹210
11th Aug 2026
As per price history, Digital Signal Processing, 4/E's lowest price is ₹195. The average price is ₹1,202. Highest ever price is ₹5,570. Along with deals, coupons & discounts, you can get it at ₹289. Read our Pricing Disclosure
Product Details
| Product Code | 8120330307 |
|---|---|
| Market Place | amazon.in |
| Store | Amazon |
| Brand | Proakis (Author), Manolakis (Author) Format: Paperback |
| Rating | 4.6 (26 ratings) |
| Category | Signal Processing |
Frequently Asked Questions
What is the lowest price ever for Digital Signal Processing 4E?
▶
The all-time lowest price for Digital Signal Processing 4E was ₹195 recorded on 29th Nov 2019. The current price is 48.2% higher than this all-time low.
What was the highest price for this product?
▶
The highest recorded price for Digital Signal Processing 4E was ₹5,570 on 4th Jan 2019. Right now you save 94.8% compared to the peak price.
What is the average selling price?
▶
Based on 207 data points, the average price of Digital Signal Processing 4E is ₹1,197. The current price is 75.9% below average — a good indicator for buying.
What is the 3-month lowest price?
▶
In the last 3 months, the lowest price was ₹210 on 11th Aug 2026.
What is the 6-month lowest price?
▶
The 6-month lowest price for Digital Signal Processing 4E was ₹210 on 11th Aug 2026.
Is the price going up or down?
▶
The current price trend for Digital Signal Processing 4E is Stable. Prices have remained relatively stable. There's no immediate urgency, but don't expect a big drop either. It has been 799 days since the last recorded low price.
How does the current price compare to the average?
▶
The current price is 76% below the average price. This is a significant discount compared to what this product usually sells for. A great time to consider purchasing.
How much discount is available from MRP?
▶
You're currently saving 71.1% off the MRP (Maximum Retail Price). That's a massive discount! This is well below the listed retail price.
Should I buy this product now?
▶
Fair price. Score: 45/100 (Grade C) — the price is around average. Consider setting a price alert and waiting for a better deal unless you need it immediately. Price trend is currently stable. Currently 76% below average price.
What does the Deal Score mean?
▶
The Deal Score is a composite rating from 0 to 100 calculated by our algorithm. It considers five factors: Average Discount (how far below the long-term average), Recent Discount (short-term price performance), Historical Position (where the price sits in its all-time range), Low Proximity (closeness to the all-time low), and Trend Bonus (whether prices are falling). Grades are: S (90-100, Exceptional), A (75-89, Great), B (60-74, Good), C (45-59, Fair), D (30-44, Below Average), F (0-29, Not a Deal). This product currently has a score of 45 with 100% confidence.
Where can I buy this product?
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Digital Signal Processing 4E is available on Amazon (amazon.in). Click the Buy Now button above to visit the product page directly. We recommend checking for available coupons and bank offers on the store page for additional savings.