Dsp Engineer Interview Questions

DSP Modem Staff Engineer

Interviewed at Qualcomm

3.8★

May 21, 2012

Explain about AMR codecs/ FACCH stealing flag/Timing advance ....

DSP Modem Engineer

Interviewed at Qualcomm

3.8★

Apr 29, 2012

Puzzle questions

DSP Firmware Engineer

Interviewed at Qualcomm

3.8★

Mar 21, 2013

questions were pretty simple like create a linked list of n nodes, some puzzles

DSP Firmware Developer (Wireless Modem) - All Levels

Interviewed at Qualcomm

3.8★

Mar 13, 2013

very detailed questions of my project and it's hard to explain it clearly by phone

Audio DSP Engineer

Interviewed at Qualcomm

3.8★

Jul 1, 2013

Interviewers asked most of the questions from the resume. Also a few questions related to fixed point arithmetic (Q representation) were asked. Also was asked to write a program that involved bitwise operators in C.

DSP Engineer

Interviewed at Ciena

4.1★

Jun 2, 2024

Candidates are given three possible projects to choose from: designing a control system using Octave, Python, or MATLAB; designing a digital filter according to specified requirements; or writing a program to estimate the transfer function given some data. Typically, candidates have approximately two weeks to complete the chosen project and write a comprehensive report. The estimated time to finish the assignment is around 20 hours.

DSP Firmware Engineer

Interviewed at Marvell Technology

4.3★

Mar 31, 2021

One round of coding and remaining was just to know the domain knowledge related to wireless communication and DSP implementation . Other questions are related to DSP, OFDM and optimization.

DSP

Interviewed at Devereux

3★

Jul 10, 2016

How would you handle a conflict between residents

Direct Support Professional (DSP)

Interviewed at Devereux

3★

Aug 29, 2022

How would you deal with a colleague who is going against company policy? Sleeping while on night duty?

DSP Architecture Engineer

Interviewed at Marvell Technology

4.3★

Mar 2, 2024

--What is the difference between a zero-forcing (ZF) and a MMSE equalizer? Derive the equations for both. --In wireline communication, how do you perform CDR (clock data recovery)? --What is a decision feedback equalizer and how is it different from feed forward equalizers? --What are the sources of impairments in a high speed wireline communication environment? How would you model them? --What is a minimum phase response for an LTI system? --How do you choose the traceback length for a Viterbi decoder? --Describe Shannon's channel capacity formula.