Audio Technologies and Codecs, Inc., with a /Doing/Business/As/ name of ATC Labs, strives to become a leader in the area of Audio, Video, and, Multimedia technology products and services. Specifically ATC Labs focuses on the following three areas: (1) development of innovative technology components and products in the area of audio and video compression and processing, (2) technology development, subjective testing, and consultancy services related to the utilization of multimedia technologies by enterprise customers, and, (3) development of software consumer products utilizing its audio and video technology portfolio. The application areas addressed by ATC Labs includes, but is not limited to, multimedia broadcasting and audio-visual communication over Terrestrial, Satellite, Internet (IP), and 3G/4G wireless networks. For more information visit http://www.atc-labs.com.

During this time he led an integrated team of 10 research and development engineers (audio technology, DSP, Software, Subjective Testing). A primary achievement of this team was the development and integration of the PAC4 codec (an upgrade to Bell Labs PAC), and the statistical multiplexing technology into the Sirius Satellite Radio system.

He started his career in AT&T Bell Labs research in 1993, where he contributed to the early versions of AT&T Perceptual Audio Coder (PAC) and developed a multi-channel version of PAC. In 1995, after the split of AT&T, Dr. Sinha transitioned to Lucent Technologies Bell Labs and between 1995 and 1998, was the principal researcher for Lucent in the Audio Signal Compression area. He also worked extensively on audio broadcast related technologies.