I. Definition:

The Sound System in the Interior Space includes a combination of modern equipment designed to produce sound, which can be combined with lighting and visual systems, to add entertainment, enhance user experience as well as increase decoration and aesthetics, highlight the Interior Space.

II. Structure and Classification of Sound System:

The sound system in the Interior Space includes the following main components:

A. Structure:

1. Speaker: Speaker is the main part of the sound system, which has the function of converting electrical signals into sound. Basic types of speakers include:

- Ceiling speakers: Ceiling speakers are a type of speaker with relatively small capacity, designed and installed in the ceiling, mainly plaster ceilings, wooden ceilings, etc. to save space and limit the impact on the overall design of the interior space. Ceiling speakers are very suitable for spaces that require background sound effects or spaces that require high aesthetics without wanting to expose the audio equipment .

- Standing speakers: Large-sized speakers, high power, emit wide and powerful frequency range, often used in large rooms such as: large halls, large conferences, ...

- Desktop speakers: Compact speakers with small to medium power, suitable for small spaces that need decor, decoration, table setting and effects.

- Wall-mounted speakers: Speakers with moderate power, installed on the wall to save space and create neatness, especially suitable for medium to large spaces: meeting rooms, small conferences, churches, temples, ...

2. Amplifier: An audio signal amplifier that helps the audio signal from the source become stronger and clearer when it reaches the speaker.

3. Source: Devices that emit audio signals such as: TV, computer, smartphone, etc.

4. Control devices: Remotes, apps, and smart control systems help users easily change volume, songs, or adjust other settings remotely.

5. Microphone: In conference or public address systems, microphones help capture voice and amplify the sound to the announcement speakers.

B. Classification:

1. Classification by connection method:

- Wired audio system : Speakers connect directly to amplifier or audio device via dedicated audio cable

- Wireless sound system : Is a sound system that uses modern technology such as Bluetooth or Wi-Fi, allowing easy installation, connection and movement of playback devices and sources without cables, bringing flexibility and high aesthetics to the space.

2. Classification by type of sound system:

- Stereo Audio: Basic system includes only two main speakers, suitable for small and medium spaces

- Surround Audio: The system includes main speakers and sub-speakers around the listener, creating a 3D surround sound effect, very suitable for spaces serving high entertainment purposes: Cinemas, theaters, ...

- Sound scattering: A sound system consisting of many speakers placed in different positions in space to produce even sound, mainly for listening or basic announcement purposes, often used in large spaces such as restaurants, hotels or shopping malls, etc.

III. Sound System Construction Process:

The process of constructing the Sound System in the Interior space includes the following basic steps:

Step 1: Plan and survey the installation location

- Survey and Determine the initial speaker location : Before construction, it is necessary to survey the original existing space to determine the speaker installation location, speaker capacity and number of speakers needed to match the original design of the sound system. Factors such as: room area, ceiling height, listener location and purpose of use (listening to music, meetings, announcements, ...) must all be carefully considered.

- Choose the right equipment: Based on the purpose of use and technical requirements, choose the type of speaker, amplifier, control system, source devices (TV, computer, smartphone, ...) and wireless connection method (Wi-Fi, Bluetooth ) or wired if needed .

- Design drawing : After determining the current status, locations and based on the requirements, we will draw up a design drawing to arrange the sound system combined with a suitable auxiliary electrical system. The drawing will help to accurately locate the speaker installation points, the wiring system and other supporting equipment.

Step 2: Wiring to install the sound system

1. Prepare tools: Specialized speaker wire, pliers, connecting device, tape or hanger.

2. Determine the location: Choose a suitable place to place the speakers and amplifier for easy connection.

3. Plan the wiring: Choose underground wiring (under the floor, in the wall, in the ceiling) or exposed wiring (along the wall, using a hanger).

4. Connect and attach speaker wires: Cut the wires, strip the jacket and connect the correct polarity (+) and (-) to the speakers and amplifier. Install the complete power cord and audio signal cable for the speaker system and amplifier.

Step 3: Installation of sound system

1. Prepare the site and tools:

- Make sure the installation space is prepared, with enough signals for power source, sound source and necessary elements such as wires, speaker installation location and other connected electronic devices.

- Use specialized tools to drill, mount speakers and install audio equipment (drill ceilings, mount speaker shelves, install amplifiers, etc.).

2. Measure Speaker Distance:

* Standard distance between speakers:

- Wall-mounted speakers Minimum distance between two wall-mounted speakers is: 1.5 - 2.5m to create balanced sound.

- Ceiling speakers: Distance between ceiling speakers is: 1.5 - 2.5m, at least 2.2m from the ceiling

- Floor standing speakers: The minimum distance of the floor standing speaker system is: 1.5 - 3m from the speaker to the listener.

3. Speaker installation:

- Ceiling speakers: It is necessary to have parameters related to the holes of the ceiling speakers to proceed to cut the holes in the plaster ceiling, wooden ceiling correctly and fit the speakers after completion. Then connect and install the speakers with the amplifier system/sound source via the power cord system and specialized audio cables.

- Wall-mounted speakers: Position and drill the sturdy bracket of the wall-mounted speaker onto the correct wall location. Then connect the speaker to the power source and audio control system as usual.

- Tabletop/floor speakers: Connect the speaker to the power supply and sound source at the correct location where the table or floor needs to be placed.

4. Install electronic devices:

- Install the amplifiers, connect them to the corresponding speakers and make sure that all connections are signal standard, secure and safe.

- Install source devices such as TV, computer, smartphone, wired or wireless sound system.

Step 4: Check and adjust the sound system:

1. Check system stability :

- After installation, it is necessary to check the system of all devices (speakers, amplifiers, sources, wires, ...) to ensure that they operate properly and safely.

- Ensures stable audio signal transmission through devices without interference or interruption.

2. Adjust sound:

- Adjust the overall volume level and frequencies (bass, treble) so that the sound is clear and suitable for the space.

- If it is a surround sound system, the speaker position needs to be adjusted so that the sound is emitted in the right direction and creates a 3D effect (surround sound).

- With ceiling speakers, check speaker placement to ensure sound is evenly distributed and does not cause reverberation or echo.

IV. Advantages and Disadvantages of Sound Systems in Interior Spaces:

A. Ceiling speakers:

*) Advantage:

- Space saving: Ceiling speakers do not take up space like floor-standing or wall-mounted speakers, making the space more airy.

- High aesthetics: Ceiling speakers have a modern and minimalist design, often with colors and styles that match the ceiling, creating harmony in the space.

- Even sound: When installed properly, ceiling speakers provide evenly sound throughout the space, creating an enveloping sound experience.

- Suitable for small and medium-sized spaces with unique features: Ceiling speakers are very suitable for small and medium-sized spaces with unique features and high-end features such as: Houses, Showrooms, Stores, ...

*) Disadvantages:

- Complicated installation : Installing ceiling speakers requires a professional technician to drill holes, wire and install the speakers properly.

- Cannot be moved : Once the speakers have been installed in the ceiling, moving them will be quite difficult and time-consuming.

- Sound quality is not too high and can be affected : If not installed in the right position, ceiling speakers may not be able to fully demonstrate their sound efficiency, especially in spaces with ceiling heights that are too low or too high. Ceiling speakers that want to sound good need to be supplemented with subwoofers as well as connected and controlled by a high-quality amplifier system as well as require a good sound source.

B. Floor standing speakers:

*) Advantage :

- 3D sound experience : Creates surround sound effects, providing a listening experience like being in a movie theater.

- Suitable for entertainment spaces : Especially suitable for movie theaters and family entertainment rooms.

*) Disadvantages :

- Need a large enough area : Need many speakers and a large space for the sound to be distributed evenly and fully. Surround speakers and sub speakers can take up space in the room.

C. Wireless speakers:

*) Advantage :

- Flexible and easy to install : No need for dedicated power cords or audio cables, can be easily moved and installed anywhere in the space.

- Diverse connectivity : Can connect to many different audio devices via Bluetooth or Wi-Fi.

*) Disadvantages :

- Sound quality depends on the signal : If the signal is unstable, sound quality may be reduced.

- Sound capacity is not too large: With wireless speakers, especially wireless speakers and those that use rechargeable batteries, the speaker capacity will be moderate, not too large, only suitable for small and medium spaces.

D. Wall-mounted speakers:

* Advantage:

- Space saving : Wall-mounted speakers help save floor space, suitable for small and medium spaces or places that need space optimization.

- Even sound : When installed in the right position, wall-mounted speakers can distribute sound evenly throughout the room, helping to create good sound effects.

- Easy installation : Wall-mounted speakers are often lightweight and easy to install, suitable for modern interior spaces.

*Disadvantages:

- Difficult to adjust position : Once the speaker is mounted on the wall, changing the speaker's position or direction will be more difficult and time-consuming than with portable or floor-standing speakers.

- Requires a solid connection : For wall-mounted speakers to work well, it is necessary to ensure that the wall and mounting system are strong enough to withstand the weight of the speaker without vibrating or causing unwanted noise when the speaker is operating.

- Does not ensure aesthetics: Installing external wall-mounted speakers saves space, but with relatively large size and prominent design, it may not ensure aesthetics depending on the space and specific requirements.

V. Application of Sound System in Interior Space

Let's continue to learn about the Application of Sound Systems in Interior Spaces:

A. Housing: 

- Entertainment: Provides quality sound for entertainment activities such as watching movies, listening to music, playing games, etc.

- Create a relaxing space: The sound system can play soft background music, helping to create a quiet and relaxing space.

- Communication support: Smart audio systems can integrate virtual assistants, support smart home control and easy communication between rooms.

Living room

Home entertainment room

B. In public works:

- Public address system: The sound system is used to broadcast announcements, warnings, or emergency information in buildings, airports, train stations, shopping malls, etc.

- Background sound: Create a relaxing or focused space for customers in areas such as hospitals, shopping malls, showrooms, stores, restaurants, hotels, etc.

- Events and conferences: Providing quality sound for events, seminars, conferences, helping to convey information clearly and effectively.

Office

Showrooms, Stores and Shopping Malls

VI. Some Outstanding Brands of Sound Systems:

*) Popular speaker brands:

Sony:

- Is a famous Japanese speaker brand, founded in 1946. This is a popular speaker brand because of its durability and many designs, easily accessible to consumers, especially in Vietnam.

JBL:

- JBL is a famous brand in the loudspeaker market founded by James Bullough Lansing in 1946 in the US. Initially, JBL focused on manufacturing professional sound systems for theaters and auditoriums. With innovation and creativity, JBL became one of the leading manufacturers in the industry. Later, the brand expanded into the field of home speakers, portable speakers, headphones and personal audio devices.

Yamaha:

- Yamaha is a Japanese speaker brand, founded in 1887, with diverse products, many designs and styles according to each speaker type for customers to choose according to their personal needs, serving in many different activities and situations.

* ) High-end speaker brands:

Bose:

- Bose is one of the famous high-end speaker lines in the Vietnamese market and in the world. Manufactured by Bose Corpo, one of the leading companies in the field of sound and technology in the world. The company was founded by the famous American scientist and sound engineer, named Amar G. Bose in 1964 in Massachusetts, USA.

- Bose audio technology innovations

+ Wave audio speaker system

+ 360 degree spatial sound

+ Active noise cancellation technology

+ VideoWave sound system

+ SoundTouch wireless speaker

- In particular, Bose products are present in most markets around the world and are favored by music lovers and high-quality sound.

Marshall:

- Marshall speakers are a product from the UK, founded in 1962. Marshall is a famous brand and known worldwide in the field of music and sound. This brand always aims to create powerful, honest and personal sound.

- Marshall products not only stand out with excellent sound quality, but also attract users with their distinctive design and vintage, classic style.

Harman Kardon:

- Harman Kardon is a premium speaker brand founded in 1953. More than 50 million cars on the road today are equipped with sound systems and connected to Harman Kardon speakers. The company's software services power billions of mobile devices and systems that are connected, integrated and secure across all platforms, from work and home to cars and mobile devices.

- In addition, Harman Kardon is also an internationally recognized symbol of high-end, luxurious design.

*) Hi-end speaker brand:

 Meridian:

- Founded in 1977 in the UK, Meridian Audio creates high-performance, crystal-clear audio systems in partnership with. Meridian has pioneered many products, including active loudspeaker systems and the world's first digital surround sound processor.

Devialet:

- Established in 2007 in France. Devialet is a globally renowned audio brand symbolizing luxury and advanced technology. With the mission of bringing breakthrough audio solutions to meet the perfect listening experience.

B&O:

- The B&O (Bang & Olufsen) brand was founded in 1925 in Denmark by two engineers, Peter Bang and Svend Olufsen.

- B&O produces many audio devices such as televisions, speakers, phones and multimedia products. Among them, B&O speakers are the product line that makes the strongest impression because of their beautiful, luxurious, sophisticated appearance and excellent sound.

VII. Summary:

SUMMARY OF SOUND SYSTEMS IN INTERIOR SPACES

In conclusion, the Sound System in the Interior space not only enhances the user experience but also plays a very important role in creating a quality living and working environment. A good sound system helps to enhance the living space, while creating an aesthetic, classy and luxurious space.

JDesign Co., LTD is proud of being a professional Interior Design and Construction Company. We are confident to always bring to our customers the complete Interior Design and Construction solution with the best designs and the latest trends, besides the quality of completing the Project with the most reasonable time. with the most economic cost, always accompanied by the condition of product maintenance support during and after the best project handover time to customers!

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