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“DOLBY Systems Vs DTS 6”

“DOLBY Systems Vs DTS 6”. Under the guidance of :. Mr. R K Dash. INTRODUCTION. Three competing multi-channel digital audio formats : Dolby Digital. DTS Digital Sound. SDDS. HISTORICAL OVERVIEW. DTS Digital Sound Developed by Terry Beard along with Jim Ketcham in mid- 1980s.

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“DOLBY Systems Vs DTS 6”

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  1. “DOLBY Systems Vs DTS 6” Under the guidance of : Mr. R K Dash

  2. INTRODUCTION • Three competing multi-channel digital audio formats : • Dolby Digital. • DTS Digital Sound. • SDDS.

  3. HISTORICAL OVERVIEW • DTS Digital Sound • Developed by Terry Beard along with Jim Ketcham in mid- 1980s. • Guided by two convictions : • Digital sound was for all theatres. • Easier, less expensive, more reliable, more flexible, and higher in quality delivering of audio data. • Dolby Digital • Creators: Dolby Laboratories in 1987. • Used more flexible 'adaptive' coding system called AC-3.

  4. WORKING & TECHNICAL ASPECTS DTS Digital Sound • Six digital audio channels. • Recorded on to a CD-ROM along with time-code track. • Miniature reader empowered by main electronic package mounted on the projector. • Code from reader is fed to the DTS processor. • Dolby Digital • Three front channels and a surround-sound channel. • Uses an advanced noise-reduction process.

  5. WORKING & TECHNICAL ASPECTS Contd. Simplified block diagram of a Dolby Stereo encoder

  6. WORKING & TECHNICAL ASPECTS Contd. Block diagram of Dolby Matrix decoder

  7. Dolby Digital Vs DTS: Which is Better? • DTS Digital Sound • Offers higher than CD-resolution audio within the Bandwidth. • Soundtrack present on separate CD. • Operates at a rate of 1536 kb/s. • Dolby Digital • Reduces Bandwidth to reproduce multi channel audio. • Places its digital soundtrack as optical marking. • Depends on design of codec.

  8. CONCLUSION • The DTS tracks plays louder than Dolby Digital ones. • Minor technical differences between both the systems. • Major difference in cost.

  9. THANK YOU !

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