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Ideas For Finding The Optimal Wireless Audio Transmitter Device For Whole-House Audio Streaming
A growing number of wireless audio transmitter products promise the ultimate freedom in streaming music all over the home. We will research if these latest devices are suitable for whole-house audio. Also, we will give vital suggestions for choosing 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. Devices which resolve this problem are commonly based on the following technologies: infrared wireless, RF wireless, wireless LAN or powerline.
Infrared products broadcast the audio as lightwaves. Light can't penetrate walls. Consequently products utilizing infrared, such as wireless surround sound kits, 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 therefore easily transmit through walls. FM transmission is economical but quite prone to noise, audio distortion and susceptible to interference.
Products which utilize digital wireless audio transmission utilize a digital protocol. Such devices 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 completely maintained. Some transmitters use some sort of audio compression, such as Bluetooth transmitters, which will degrade the audio to some degree. Transmitters which send the audio data uncompressed will attain the highest fidelity.
WLAN products are useful 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 typically require purchasing a separate LAN card to be plugged into each receiver.
Powerline products broadcast the audio by means of the power mains and offer great range. They run into trouble in homes where there are individual mains circuits in terms of being able to cross over into another circuit. Powerline products have another challenge in the form of power surges and spikes which can cause transmission errors. To prevent audio dropouts, these products will commonly have an audio latency of several seconds as a safeguard.
Here are some tips for choosing the perfect wireless audio system: Try to find a system that can run several wireless receivers from a single transmitter. Ideally an unlimited number of receivers should be supported. That way you don't need to buy additional transmitters when you begin adding receivers in different rooms of your home. Some products have some type of error correction built in which will help guard against dropouts in case of strong wireless interference. Select a digital RF audio transmitter to guarantee that the audio quality is preserved. Make sure the audio delay is less than 10 ms if you have a real-time application such as video.
Make sure the wireless transmitter provides the audio inputs you need. You may need amplified speaker inputs, RCA audio inputs etc. Make sure that you can purchase separate 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. If you go with a digital audio transmitter, select one with an input audio level control knob to prevent the music signal from clipping inside the transmitter audio converter. This will ensure optimum dynamic range regardless of the signal level of your equipment.
For high amplifier power efficiency and best sound quality, verify that the amplified receiver has a built-in low-distortion digital amplifier. Verify that the amplified receiver can drive speakers with the preferred Ohm rating and that it is small and easily mountable for simple set up. Products which operate in the 5.8 GHz frequency band will have less problems with wireless interference than devices using the crowded 900 MHz or 2.4 GHz frequency band.
Audio System