DTS vs. DSP

When we talk about surround sound actually we talk about a sound atmosphere. This surround sound atmosphere created by an AV receiver based on source recording. There is several surround sound recording system in home entertainment system. Two of them are Digital Theater Sound (DTS) and Digital Signal Processing (DSP). But the other recording system can read on Surround Sound Tasteful.

In addition to Dolby Digital, many AV receivers now also include DTS (Digital Theater Sound) decoding, which is another 5.1-channel system. DTS uses a lower digital-compression rate than Dolby Digital (1:4 for DTS vs. 1:12 for Dolby Digital), and it tends to sound better. DTS requires three times more disc space, however, limiting the length of movie soundtracks and special features such as a film’s additional language tracks. There are only a few DTS-encoded movies on DVD right now, but a large and growing collection of surround-sound audio music already exists in this format, including many popular rock and classical recordings spanning the last 30 years. If you’re interested in surround-sound music, make sure your receiver includes DTS capabilities.

Many AV receivers include powerful digital signal processing (DSP) programs that can synthesize surround-sound emulations of churches, stadiums, nightclubs, and other venues. Sometimes these emulations amount to little more than novelty effects, but depending on your program material, they can enhance your listening experience.

While Dolby Digital, DTS, and DSP surround processing all occur in the digital domain, the final sound output must come from your analog speakers. Receivers use a multi-channel digital-to-analog converter (DAC) to create the final analog signal passed on to your speakers. These DACs vary greatly in sound quality–when we review an AV receiver, we’ll take careful note of the quality of the final sound.

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