Jan 2009 – Dec 2010 · 1 yr 11 mos

• ● Design and Development of Compressor and Expander in MBADRC
• ● Design and firmware development of a Microphone Limiter with MBDARC control
• ● Psychoacoustic Bass Enhancement (PBE) of Smartphone Speakers
• ● Latest Low Power Halcyon co-processor development in the Mobile industry to listen Dolby like Audio Effects on Mobile Phones
• ● MIDI/Graphics Hardware interface development for 3G CDMA/GSM chipset Halcyon for MIDI CMX platform;
• ● ISR design and event handling on RTOS; design of DMA; Memory overlaying; Cache and External Memory Load Sharing; ARM-DSP message handling; Hardware integration and testing on FFA/SURF Qualcomm Mobile chipset board; Task handling on the Chipset to accomodate more functionality to use the whole 3G broadband spectrum.
• ● Development of Intelligent Audio Multichannel Downmix Algorithm for Mobile Handset; Head Related Transfer Function, Qsizzle and Qrumble facilities to give user premium Audio experience; Latest Low Power Halcyon co-processor development in the Mobile industry to listen Dolby like Audio Effects on Mobile Phones;
• Support of OGG/Theora/FLAC on Qualcomm Latest Generation Chipset.

May 2007 – Jan 2009 · 1 yr 8 mos

• Design of Ultra Low Power Multimedia System-On-Chip(SoC) for AMD-Imageon family;
• Development of Next-Generation Media Audio Processor for Mobile-TV DVB-H application; Development of Audio-IP;
• Design of novel architecture hardware accelerator for MPEG4-AAC and MP3 (8 MIPS altogether) for 100 hr Audio/Video playback;
• Development of Data Processing (Huffman, Re-quantization) and Signal Processing (IMDCT) module for RTL design in MPEG4-AAC LC;
• Design of the Chip Emulation Model for Digital Signal Processor; Memory map and RTL design; Development of an in-built Software Equalizer in MP3 to meet Low power requirement for LG mobiles; Assembly Coding and Firmware Development on ARM/Tensilica Xtensa LX2/AMD Gini Architecture; Complex Instruction Set Development and verification on Emulator and RTL;
• Verification on FPGA;

Jan 2005 – Jan 2007 · 2 yrs

• ● Porting of Namsan File System for PVR/Set-Top Box on Windows XP/2000
• ● Development of MPEG2 Encoder /Decoder for DTV/HDTV, Transport Stream (TS/PS) Decode
• ● Assembly Coding on MIPS Architecture for IDCT block of MPEG2 Video Decoder
• ● Development and Porting of HE-AAC v2 Decoder on DTV (Trident, AMD Xilleon) for Brazilian and Japanese Market
• ● Development of Audio/Video Player supporting OGG Vorbis, WMA, AU, AIFF, MP3, AC3 5:1, WAV Audio Format and MPEG2, H.264 Video Format on DTV, Multi-Thread programming for User Functionality on Samsung Shadow application
• ● Device Driver and Thread Function Development on DTV OCAP middleware to support play, pause and stop functionality(through RTSP protocol) of Multimedia player
• ● Samsung Media player YH-J70J functionality addition and Microsoft MTP DRM(Digital Right Management) Protocol Support for Disc Storage Facility
• ● Work on Web Browser Development for Direct download on CD and HD-DVD disc format

Jan 2005 – Dec 2005 · 11 mos

• Area of Work:
• Implementation, Debugging and Optimization of MPEG4-AAC(.aac, .adts, .adif, .raw file support), Enhanced AAC, AMR-WB Encoder and G.726 Speech Codec on Toshiba System-on-Chip (SoC) - Media Processor MeP and Tutti T4G/T5G/S1/S1G DSP (RISC-DSP architecture) for Mobile Multimedia Player Application;
• Development of Open Architecture Framework(OAF); Memory mapping and Linker Design; Data Parallelization; Design of DMA transfer architecture on SoC; Internal and External memory Load Distribution and algorithm development on Tutti assembly;
• Working with DSP Simulators and Emulators, Development of Board Support Package (BSP); Development of MP3 in MeP- Tutti Assembly;
• Porting of Wma 9.0 decoder on MeP RISC processor , Development of Firmware for Mobile Multimedia.
• Environment : C, C++, Tutti Assembly, Linux, Tutti – MeP compiler, VC++, Toshiba T4G/T5G,S1G/S1 (RISC-DSP) emulator, simulator

Feb 2004 – Jul 2004 · 5 mos

• Development of world’s fastest Ultra Low Delay low bit rate Audio Codec Encoder Algorithm for Audio Communication MPEG-ULD for UMTS; As a part of the team of Fraunhofer Engineers involved in performing different functions; Development of Next Generation Dolby- IOSONO, Query by Humming, Binaural Cue Coding of Stereo.
• Environment : C, Linux, XML, Matlab, TI C64xx, ARM9E
• Supervised by : Prof. Dr. Gerald Schuller (head of Audio Coding, Fraunhofer-IIS)
• Prof. Dr. Thomas Spoerer (director of Fraunhofer-IDMT)
• Prof. Dr. Karl-Heinz Brandenburg (Inventor of MP3, MPEG4-AAC)

Nov 2002 – Jan 2005 · 2 yrs 2 mos

• Development of a Real-Time Audio Analysis and Synthesis System Algorithm on Software to measure Speech Intelligibility Index for Speech Recognition, Parametric approach of audio data compression, Feature Extraction, backward compatible Noise Estimation, Pitch Shifting, Gender Change, Voice Morphing, Window Shifting, Echo cancellation, Parametric Stereo, Envelope Detection, Voice Activity Detection (VAD) for Speech Signal, MIMO (Multiple-input Multiple-output) Communication (RTSP protocol use) Software Development for Airbus GmbH A-380 project.
• Development of Audio Algorithm to measure the quality of a psychoacoustic model in Audio Data Compression e.g., MP3 , development of a tool for psychoacoustic measurements in a Windows stand-alone environment, VC++ Graphics development, Room Simulation, Development of Audio Quality Measurement Tool – “Quebue”.
• Environment : C, C++, Matlab, Cool Edit Pro 1.0, VC ++ GUI development, working with MFC classes.

Jun 2001 – Aug 2002 · 1 yr 2 mos

• ● Development of Information System for BSNL handling 1 million customers
• ● J2EE and SQL project development

May 2000 – Jul 2000 · 2 mos

• Development of Database for Coal India with Oracle 7.3.2 and Developer 2000