There are two types of DVD Dolby surround recording signals. _
_2_
When either of these signals is input to the
•Sources recorded in Dolby Surround are indicated with the logo mark shown below.
Dolby Surround support mark: l'Tll'mmt I
Manufactured under license from Dolby Laboratories.
"Dolby", "Pro Logic" and the
Digital Theater Surround (also called simply DTS) is a
DTS offers the same "5.1" playback channels as Do[by Digital (front left, front right and center, surround left and surround right) as well as the stereo
DTS features a relatively higher bit rate as compared to Dolby Digital (1234 kbps for CDs and LDs, 1536 kbps for DVDs} so it operates with a relatively low compression rate. Because of this the amount of data is great, and when DTS playback is used in movie theaters, a separate CD- ROM synchronized with the film is played.
With LDs and DVDs, there is of course no need for an extra disc; the pictures and sound can be recorded simultaneously on the same disc, so the discs can be handled in the same way as discs with other formats.
There are also music CDs recorded in DTS. These CDs include
•DTS compatible media and playback methods
| DIG[T&L |
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Marks indicating DTS compatibility: | _ | and _ | . |
SURIIOUND
The following are general examples. Also refer to the player's operating instructions.
Media | Dolby | Digital output | iacks | Playback | method | {reference | page) |
| ||||
CD | Optical | or coaxial | digital | output | Set the input mode to | "AUTO" | or | "DTS" | {page | 42) | 1 | |
| {same | as for | PCM) | _ 2 | Never set the mode to | "ANALOG" | or "PCM" | _ | ||||
| Optical | or coaxial | digital | output | Set the input mode to | "AUTO" | or | "DTS" | {page | 42) |
| |
LD {VDP) | {same | as for | PCM) | _ 2 | Never set the mode to | "ANALOG" | or "PCM" | _ | 1 | |||
DVD | Optical | or coaxial | digital | output | Set the input mode to | "AUTO" | or | "DTS" | {page | 42) |
| |
| {same | as for | PCM) | _ 3 |
|
1 DTS signals are recorded in the same way on CDs and LDs as PCM signals. Because of this, the
_2 The signals provided at the digital outputs of a CD or LD player may undergo some sort of internal signal processing (output level adjustment, sampling frequency conversion, etc.). In this case the
_3 A DVD player with
Manufactured under license from Digital Theater Systems, Inc. US Pat. No. 5,451,942, 5,956,674, 5,974,380, 5,978,762 and other
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