Ok, I would like to start this thread as one of my goal is to develop a room wher I can install the ideal 11.4 surround sound system for movies.
Using either Audyssey DSX 11.1 surround sound or DTS Neo:X
"Experiments have shown that human localization is better in front than to the sides or behind. This means that for front-weighted content such as movies and most music, good engineering dictates that we employ more channels in the front hemisphere than the back. Imaging is also better horizontally than vertically and so good engineering also dictates that channels must first be added in the same plane as our ears before going to higher elevations.
Perception is not the only factor. The physics of room acoustics for music have been well studied, and their correlation with subjective impression increasingly understood over the last 30 years. This research has shown that we have strong built-in preferences for the direction, frequency response, and time of arrival of reflected sound. Additional channels and surround sound processing are needed to properly render these components.
Wides before Heights
One key finding from the research is that first side wall reflections play a great role in determining subjective impression. The most important direction of reflected sound was found to be ±60° relative to the front. Audyssey DSX provides a pair of Wide channels (LW and RW) at ±60° with appropriate frequency response and perceptual processing to match these requirements of human hearing. These Wide channels are much more critical in the presentation of a realistic soundstage than the Back Surround channels found in traditional 7.1 systems. Adding surround channels behind the listener has a very small impact compared to the increase in envelopment and soundstage width that the Wide channels provide.
The next most important acoustical and perceptual cues come from reflections above the front stage. Audyssey DSX provides a pair of Height channels (LH and RH) that should be ideally positioned at a 45° elevation angle."
Using either Audyssey DSX 11.1 surround sound or DTS Neo:X
"Experiments have shown that human localization is better in front than to the sides or behind. This means that for front-weighted content such as movies and most music, good engineering dictates that we employ more channels in the front hemisphere than the back. Imaging is also better horizontally than vertically and so good engineering also dictates that channels must first be added in the same plane as our ears before going to higher elevations.
Perception is not the only factor. The physics of room acoustics for music have been well studied, and their correlation with subjective impression increasingly understood over the last 30 years. This research has shown that we have strong built-in preferences for the direction, frequency response, and time of arrival of reflected sound. Additional channels and surround sound processing are needed to properly render these components.
Wides before Heights
One key finding from the research is that first side wall reflections play a great role in determining subjective impression. The most important direction of reflected sound was found to be ±60° relative to the front. Audyssey DSX provides a pair of Wide channels (LW and RW) at ±60° with appropriate frequency response and perceptual processing to match these requirements of human hearing. These Wide channels are much more critical in the presentation of a realistic soundstage than the Back Surround channels found in traditional 7.1 systems. Adding surround channels behind the listener has a very small impact compared to the increase in envelopment and soundstage width that the Wide channels provide.
The next most important acoustical and perceptual cues come from reflections above the front stage. Audyssey DSX provides a pair of Height channels (LH and RH) that should be ideally positioned at a 45° elevation angle."
TSI), a leader in high-definition audio, and SRS Labs, Inc. (Nasdaq:SRSL), a leader in audio processing and enhancement technologies, today announced that they have entered into a definitive agreement under which DTS will acquire all outstanding shares of SRS Labs in a cash-and-stock transaction valued at $9.50 per share, or a total of approximately $148 million in aggregate equity value, including acquired net cash of approximately $38 million as of December 31, 2011. The consideration represents a premium of 38% per share over SRS Labs' stock price as of the close of trading on April 16, 2012. Under the terms of the agreement, the cash and stock components will each equal 50% of the aggregate consideration paid by DTS for SRS Labs' outstanding shares. The DTS common stock to be issued in the transaction was valued at $30.52 per share, the closing price per share of DTS common stock on April 12, 2012. All SRS Labs options and restricted stock units will fully vest immediately prior to and be canceled upon the closing of the transaction, and the holders thereof will be entitled to receive the $9.50 price per share (less the exercise price of any option) payable in cash... (more)
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