A Number Of Helpful Hints To Help Decide On A Cordless Surround Sound Package The latest range of wireless surround sound transmitter products promises streaming of music throughout the house without limits. We will look at various products and technologies to find out in how far these devices are effective for whole-house audio applications and what to look out for when buying a wireless system.
The newest series of wireless surround sound transmitter products promises streaming of music throughout the home without limits. We will have a look at numerous products and technologies to find out in how far these devices are useful for whole-house audio uses and what to look out for when buying a wireless system. If your house is not wired for audio then you face quite a challenge when you want to get your music from your living room to your bed room. Often the audio source cannot be moved. Running speaker wires between rooms will be expensive and as a result a lot of people are searching for alternatives. Products which resolve this difficulty are mostly based on the following technologies: infrared wireless, RF wireless, wireless LAN or powerline.
Infrared is restricted to line of sight because the audio signal is sent as lightwaves and for that reason products 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 using FM transmission or digital transmission - and can therefore easily transmit through walls. FM transmitters are the cheapest option. They provide good range but the audio signal is prone to audio distortion and hiss and is extremely susceptible to interference from other wireless transmitters. Products which employ digital wireless audio transmission utilize a digital protocol. Such products include transmitters from Amphony. In this protocol, before transmission the audio signal is converted to digital data. This method ensures that the audio quality is entirely maintained. Some transmitters utilize some sort of audio compression, such as Bluetooth transmitters, which will degrade the audio to some degree. Transmitters which broadcast the audio data uncompressed will attain the maximum fidelity.
Digital wireless audio transmitter devices, such as products from Amphony, make use of a digital protocol. The audio is first converted to digital data before being broadcast. This conversion and transmission in the digital domain will ensure that the original audio quality is preserved. However, this is only the case of the data is sent uncompressed. Some wireless audio transmitters will apply some sort of audio compression. Such products include Bluetooth audio transmitters. Audio compression will degrade the quality of the audio to some degree.
Wireless LAN (WLAN) products are useful 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 usually require purchasing a separate LAN card to be plugged into every receiver.
Now we'll give you some guidelines for shopping for a wireless system: Go for a system that supports multiple wireless receivers if you plan to stream audio to several rooms so that you don't have to purchase a separate transmitter for each receiver. Some devices have some sort of error correction built in which will help guard against dropouts in case of strong wireless interference. Select a digital RF transmitter to maintain the original audio quality, ideally one with an audio latency of less than 10 ms in case of video or other time-sensitive applications.
Choose a transmitter that has all the audio inputs you need, such as speaker inputs, line-level RCA inputs etc. Make sure that you can buy individual receivers later on as you expand your system. Check that you can get receivers with speaker outputs for connecting regular loudspeakers as well as receivers with line-level RCA outputs. Since you may want to connect the transmitter to several sources, you should choose a transmitter that can be adjusted to different signal volume levels to prevent clipping of the audio signal inside the transmitter converter stage.
For high amplifier power efficiency and best sound quality, check that the amplified receiver has a built-in low-distortion digital amplifier. Choose a system that offers receivers that can drive speakers with the preferred Ohm rating. Make sure the receivers have a small form factor and are easily mountable. This will help during the set up. Products using the less crowded 5.8 GHz frequency band will generally have less trouble with wireless interference than 900 MHz or 2.4 GHz products.
The newest series of wireless surround sound transmitter products promises streaming of music throughout the home without limits. We will have a look at numerous products and technologies to find out in how far these devices are useful for whole-house audio uses and what to look out for when buying a wireless system. If your house is not wired for audio then you face quite a challenge when you want to get your music from your living room to your bed room. Often the audio source cannot be moved. Running speaker wires between rooms will be expensive and as a result a lot of people are searching for alternatives. Products which resolve this difficulty are mostly based on the following technologies: infrared wireless, RF wireless, wireless LAN or powerline.
Infrared is restricted to line of sight because the audio signal is sent as lightwaves and for that reason products 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 using FM transmission or digital transmission - and can therefore easily transmit through walls. FM transmitters are the cheapest option. They provide good range but the audio signal is prone to audio distortion and hiss and is extremely susceptible to interference from other wireless transmitters. Products which employ digital wireless audio transmission utilize a digital protocol. Such products include transmitters from Amphony. In this protocol, before transmission the audio signal is converted to digital data. This method ensures that the audio quality is entirely maintained. Some transmitters utilize some sort of audio compression, such as Bluetooth transmitters, which will degrade the audio to some degree. Transmitters which broadcast the audio data uncompressed will attain the maximum fidelity.
Digital wireless audio transmitter devices, such as products from Amphony, make use of a digital protocol. The audio is first converted to digital data before being broadcast. This conversion and transmission in the digital domain will ensure that the original audio quality is preserved. However, this is only the case of the data is sent uncompressed. Some wireless audio transmitters will apply some sort of audio compression. Such products include Bluetooth audio transmitters. Audio compression will degrade the quality of the audio to some degree.
Wireless LAN (WLAN) products are useful 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 usually require purchasing a separate LAN card to be plugged into every receiver.
Now we'll give you some guidelines for shopping for a wireless system: Go for a system that supports multiple wireless receivers if you plan to stream audio to several rooms so that you don't have to purchase a separate transmitter for each receiver. Some devices have some sort of error correction built in which will help guard against dropouts in case of strong wireless interference. Select a digital RF transmitter to maintain the original audio quality, ideally one with an audio latency of less than 10 ms in case of video or other time-sensitive applications.
Choose a transmitter that has all the audio inputs you need, such as speaker inputs, line-level RCA inputs etc. Make sure that you can buy individual receivers later on as you expand your system. Check that you can get receivers with speaker outputs for connecting regular loudspeakers as well as receivers with line-level RCA outputs. Since you may want to connect the transmitter to several sources, you should choose a transmitter that can be adjusted to different signal volume levels to prevent clipping of the audio signal inside the transmitter converter stage.
For high amplifier power efficiency and best sound quality, check that the amplified receiver has a built-in low-distortion digital amplifier. Choose a system that offers receivers that can drive speakers with the preferred Ohm rating. Make sure the receivers have a small form factor and are easily mountable. This will help during the set up. Products using the less crowded 5.8 GHz frequency band will generally have less trouble with wireless interference than 900 MHz or 2.4 GHz products.
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