Various Tricks To Help Select A Wireless Surround Sound Package
An increasing number of wireless surround sound transmitter products promise the ultimate freedom in streaming audio all over the house. We will research if these newest products are suitable for whole-house audio. Also, we will give crucial suggestions for selecting a wireless audio system.
Getting audio from your living room to your bed room can be quite a challenge especially in homes which are not wired for audio. Products which resolve this difficulty are commonly based on the following technologies: infrared wireless, RF wireless, wireless LAN or powerline.
Infrared wireless audio devices are limited to line-of-sight applications, i.e. only operate within a single room since the signal is sent as infrared light which can't penetrate walls. This technology is often found in wireless speaker kit products. RF wireless products send the audio as RF waves - either by using FM transmission or digital transmission - and can consequently easily transmit through walls. FM transmission is economical but rather prone to noise, audio distortion and susceptible to interference.
Digital wireless audio transmitter devices, such as products from Amphony, use a digital protocol. The audio is first converted to digital data before being broadcast. Some wireless audio transmitters will use audio compression, such as Bluetooth transmitters which will lower the audio quality to some extent. Digital wireless audio transmitters which broadcast the audio uncompressed provide the highest audio fidelity.
Wireless LAN (WLAN) products are practical when streaming from a PC but will add some amount of latency or delay to the signal because wireless LAN was not originally designed for real-time audio streaming. WLAN receivers ordinarily require purchasing a separate LAN card to be plugged into every receiver.
Powerline products send the audio by means of the power mains and offer great range. They run into problems in houses where there are individual mains circuits in terms of being able to cross over into another circuit. 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.
Choose a transmitter that has all the audio inputs you require, such as speaker inputs, line-level RCA inputs etc. Get a wireless system where you can purchase additional receivers later on. You should check that you can get receivers for all the different applications you have. Such receivers may include amplified receivers for passive speakers or line-level receivers for active speakers. If you go with a digital audio transmitter, pick one with an input audio level control knob to avoid the music signal from clipping inside the transmitter audio converter. This will ensure optimum dynamic range regardless of the signal level of your equipment.
Select a transmitter that has all the audio inputs you need, such as speaker inputs, line-level RCA inputs etc. Select a system where you can add receivers later on which offer all of the required outputs, e.g. amplified speaker outputs, RCA outputs etc. Since you may want to connect the transmitter to several sources, you should pick a transmitter that can be adjusted to different signal volume levels to prevent clipping of the audio signal inside the transmitter converter stage. Make sure that the amplified wireless receivers have built-in digital amplifiers with low distortion figures. This will keep the receiver cool due to high amplifier power efficiency and provide maximum sound quality. Verify that the amplified receiver is able to drive speakers with the desired Ohm rating and that it is small and easily mountable for easy set up. Products 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.
An increasing number of wireless surround sound transmitter products promise the ultimate freedom in streaming audio all over the house. We will research if these newest products are suitable for whole-house audio. Also, we will give crucial suggestions for selecting a wireless audio system.
Getting audio from your living room to your bed room can be quite a challenge especially in homes which are not wired for audio. Products which resolve this difficulty are commonly based on the following technologies: infrared wireless, RF wireless, wireless LAN or powerline.
Infrared wireless audio devices are limited to line-of-sight applications, i.e. only operate within a single room since the signal is sent as infrared light which can't penetrate walls. This technology is often found in wireless speaker kit products. RF wireless products send the audio as RF waves - either by using FM transmission or digital transmission - and can consequently easily transmit through walls. FM transmission is economical but rather prone to noise, audio distortion and susceptible to interference.
Digital wireless audio transmitter devices, such as products from Amphony, use a digital protocol. The audio is first converted to digital data before being broadcast. Some wireless audio transmitters will use audio compression, such as Bluetooth transmitters which will lower the audio quality to some extent. Digital wireless audio transmitters which broadcast the audio uncompressed provide the highest audio fidelity.
Wireless LAN (WLAN) products are practical when streaming from a PC but will add some amount of latency or delay to the signal because wireless LAN was not originally designed for real-time audio streaming. WLAN receivers ordinarily require purchasing a separate LAN card to be plugged into every receiver.
Powerline products send the audio by means of the power mains and offer great range. They run into problems in houses where there are individual mains circuits in terms of being able to cross over into another circuit. 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.
Choose a transmitter that has all the audio inputs you require, such as speaker inputs, line-level RCA inputs etc. Get a wireless system where you can purchase additional receivers later on. You should check that you can get receivers for all the different applications you have. Such receivers may include amplified receivers for passive speakers or line-level receivers for active speakers. If you go with a digital audio transmitter, pick one with an input audio level control knob to avoid the music signal from clipping inside the transmitter audio converter. This will ensure optimum dynamic range regardless of the signal level of your equipment.
Select a transmitter that has all the audio inputs you need, such as speaker inputs, line-level RCA inputs etc. Select a system where you can add receivers later on which offer all of the required outputs, e.g. amplified speaker outputs, RCA outputs etc. Since you may want to connect the transmitter to several sources, you should pick a transmitter that can be adjusted to different signal volume levels to prevent clipping of the audio signal inside the transmitter converter stage. Make sure that the amplified wireless receivers have built-in digital amplifiers with low distortion figures. This will keep the receiver cool due to high amplifier power efficiency and provide maximum sound quality. Verify that the amplified receiver is able to drive speakers with the desired Ohm rating and that it is small and easily mountable for easy set up. Products 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.
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