Several Good Tips To Help Select A Cordless Surround Sound Product
Running music in your house can be a daunting job. Many buildings are not wired for multi-room audio and getting the music from your living room to your bedroom can be quite a problem. There are a number of technologies solving this problem. These include infrared wireless, RF wireless, wireless LAN (WLAN) and powerline.
Infrared wireless audio devices are restricted to line-of-sight applications, i.e. only work within a single room because the signal is broadcast as infrared light which can't go through walls. This technology is often found in wireless speaker kit products.
Infrared is restricted to line of sight because the audio signal is sent as lightwaves and as a result devices using this technology, such as infrared wireless surround sound products, are limited to a single room. RF wireless products send the audio as RF waves - either by utilizing FM transmission or digital transmission - and can as a result without difficulty transmit through walls. The least expensive choice is FM transmission. Products utilizing FM transmission, however, have a number of drawbacks. These include degradation of the audio quality due to static or hiss and audio distortion. In addition, FM transmitter products are also quite prone to interference from other wireless transmitters.
WLAN products are practical for broadcasting audio from a PC. However, wireless LAN was never designed for real-time audio streaming. As a result, products using WLAN will introduce some amount of delay to the signal. WLAN receivers often do not have built-in network access. As a result, such products often require purchasing separate LAN cards. These cards are then plugged into each receiver.
Powerline products employ the power mains to distribute audio and provide large range but run into trouble if there are separate mains circuits in the home in terms of crossing between circuits. Also, these products build in a delay of a number of seconds to safeguard against transmission errors during power surges and spikes which prevents their use in applications where the audio from wireless speakers has to be in sync with other non-wireless speakers or video.
Powerline devices use the power mains to distribute music and offer large range but run into problems if there are separate mains circuits in the house in terms of crossing between circuits. Powerline products have another problem in the form of power surges and spikes which can cause transmission errors. To prevent audio dropouts, these products will usually have an audio latency of several seconds as a safeguard.
Make sure the wireless transmitter offers the audio inputs you require. You may need amplified speaker inputs, RCA audio inputs etc. Pick a system where you can add receivers later on which offer all of the required outputs, e.g. amplified speaker outputs, RCA outputs etc. Choose a transmitter that can regulate the audio volume of the input stage. This will give you the flexibility to connect the transmitter to any kind of equipment with different signal levels. Otherwise the audio may get clipped inside the transmitter converter stage or the dynamic range is not fully used.
Select a transmitter that has all of the audio inputs you require, e.g. speaker inputs, RCA inputs etc. Choose a system where you can add receivers later on which offer all of the required outputs, e.g. amplified speaker outputs, RCA outputs etc. Choose a transmitter that can regulate the audio volume of the input stage. This will give you the flexibility to connect the transmitter to any kind of equipment with different signal levels. Otherwise the audio may get clipped inside the transmitter converter stage or the dynamic range is not fully used. For high amplifier power efficiency and best sound quality, verify that the amplified receiver has a built-in low-distortion digital amplifier. Make sure the receivers can drive speakers with your preferred Ohm rating. Picking a product where the wireless receivers have a small footprint and easy mounting options will help during the installation. Devices which function in the 5.8 GHz frequency band will have less trouble with wireless interference than devices utilizing the crowded 900 MHz or 2.4 GHz frequency band.
Running music in your house can be a daunting job. Many buildings are not wired for multi-room audio and getting the music from your living room to your bedroom can be quite a problem. There are a number of technologies solving this problem. These include infrared wireless, RF wireless, wireless LAN (WLAN) and powerline.
Infrared wireless audio devices are restricted to line-of-sight applications, i.e. only work within a single room because the signal is broadcast as infrared light which can't go through walls. This technology is often found in wireless speaker kit products.
Infrared is restricted to line of sight because the audio signal is sent as lightwaves and as a result devices using this technology, such as infrared wireless surround sound products, are limited to a single room. RF wireless products send the audio as RF waves - either by utilizing FM transmission or digital transmission - and can as a result without difficulty transmit through walls. The least expensive choice is FM transmission. Products utilizing FM transmission, however, have a number of drawbacks. These include degradation of the audio quality due to static or hiss and audio distortion. In addition, FM transmitter products are also quite prone to interference from other wireless transmitters.
WLAN products are practical for broadcasting audio from a PC. However, wireless LAN was never designed for real-time audio streaming. As a result, products using WLAN will introduce some amount of delay to the signal. WLAN receivers often do not have built-in network access. As a result, such products often require purchasing separate LAN cards. These cards are then plugged into each receiver.
Powerline products employ the power mains to distribute audio and provide large range but run into trouble if there are separate mains circuits in the home in terms of crossing between circuits. Also, these products build in a delay of a number of seconds to safeguard against transmission errors during power surges and spikes which prevents their use in applications where the audio from wireless speakers has to be in sync with other non-wireless speakers or video.
Powerline devices use the power mains to distribute music and offer large range but run into problems if there are separate mains circuits in the house in terms of crossing between circuits. Powerline products have another problem in the form of power surges and spikes which can cause transmission errors. To prevent audio dropouts, these products will usually have an audio latency of several seconds as a safeguard.
Make sure the wireless transmitter offers the audio inputs you require. You may need amplified speaker inputs, RCA audio inputs etc. Pick a system where you can add receivers later on which offer all of the required outputs, e.g. amplified speaker outputs, RCA outputs etc. Choose a transmitter that can regulate the audio volume of the input stage. This will give you the flexibility to connect the transmitter to any kind of equipment with different signal levels. Otherwise the audio may get clipped inside the transmitter converter stage or the dynamic range is not fully used.
Select a transmitter that has all of the audio inputs you require, e.g. speaker inputs, RCA inputs etc. Choose a system where you can add receivers later on which offer all of the required outputs, e.g. amplified speaker outputs, RCA outputs etc. Choose a transmitter that can regulate the audio volume of the input stage. This will give you the flexibility to connect the transmitter to any kind of equipment with different signal levels. Otherwise the audio may get clipped inside the transmitter converter stage or the dynamic range is not fully used. For high amplifier power efficiency and best sound quality, verify that the amplified receiver has a built-in low-distortion digital amplifier. Make sure the receivers can drive speakers with your preferred Ohm rating. Picking a product where the wireless receivers have a small footprint and easy mounting options will help during the installation. Devices which function in the 5.8 GHz frequency band will have less trouble with wireless interference than devices utilizing the crowded 900 MHz or 2.4 GHz frequency band.
Aucun commentaire:
Enregistrer un commentaire