In the 21st century, the improvement of electronic equipment and production technology has become more and more recognized by high-end users for home theater audio-visual rooms, and because of this, he puts forward higher requirements for the perfect combination of environmental architectural acoustic technology and natural space decorative visual effects. . Therefore, domestic merchants urgently need to introduce advanced foreign production equipment and processing technology, which can be used for the characteristics of home theater and small and medium-sized audio-visual rooms. From acoustic measurement, acoustic design, construction, acceptance and provision of equipment solutions and installation and debugging, the more integrated audio-visual room service The more you are accepted by consumers!
Home theater decoration design renderings view point one
Home theater decoration design renderings view point two
Acoustic requirements:
The sound quality of the audio equipment plays a very close relationship with the acoustic characteristics of the building environment. To make the sound system perform at its highest performance, the listening room must be acoustically treated.
According to the THX standard, the audio-visual room should meet:
1. Whiteness and accuracy
2. Precise sound localization
3. Smooth panning movement
4. A very spatial surround sound field
5. Balanced sound
6. Fast and compact low frequency performance
7. Broad dynamic range
8. Each location is emperor
Acoustic improvement schematic
Acoustic hidden layer effect
In order to meet the above acoustic requirements, there are four aspects that need to be considered for the following aspects of design:
a. Reverberation time
b. Diffusion characteristics
c. Frequency characteristics of the room and various sound defects
d. Environmental noise level
If the acoustic treatment is not handled properly or not processed, the following situations will occur:
a. The reverberation time is too short, the sound is dry, boring and tasteless, and it is not friendly. If the reverberation time is too long, the sound will be ambiguous, the reflection sound will cover the spread of the direct sound, the sound position will be chaotic, and the sound will be unclear. If you enlarge the volume, it will also enhance the energy of the reflected sound, which makes people feel noisy and seriously affects the sense of hearing;
b. The indoor sound field is uneven, the sound of each frequency band is unbalanced, the sound is not round; it is not pleasant; it is not full; it is not warm. The surround sound field does not produce a good sense of envelopment.
C. There are serious acoustic defects such as standing waves, resonance, and tremor echoes in the room. These defects seriously affect the sense of hearing. In severe cases, the audio-visual room cannot be used normally.
d. Background noise affects the quiet room environment and affects the audiovisual experience. Or the sound of audio equipment affects the lives of others.
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