What with the purchase of an AV receiver must be observed if receiver is the term for the combination of the components of amplifier and tuner that the actual radio tuner in the HiFi sector. AV stands for audio/video. The AV receiver is thus a device which can process both picture and sound signals. Receiver comes to the AV in the home theater system the task to distribute that the famous surround sound is created the sound to the speakers. The AV receiver is the most important link in the chain.

He does a bad job, good speakers and TVs can change nothing more. Even excellent speaker must relinquish then bad sound and excellent screens show only an inferior video signal. It is also important to involve your own four walls in the purchase consideration. For proper surround sound enjoyment only comes up if the AV equipment tailored optimally and the living room is. Dolby or DTS? Dolby Digital and DTS are competing sound compression algorithm. Must the multi-channel sound compressed so that the Tonspur(en) and the image information on a DVD, fit.

Make absolutely sure that you rely on a device that supports both standards, which at present at all reasonably sensible receivers should be the case. Only some economy models come only with a Dolby Digital decoder. Buying criteria Dolby Digital Dolby Digital (also ATSC A/52 and AC-3) is a multi channel – Soundsystem of Dolby. Dolby Digital support up to six independent (discrete) channels and uses a psychoacoustic, lossy data compression. AC-3 identifies the bitstream format. So is also the typical file extension. ac3. Dolby Digital includes up to six channels: front left and right, front center, rear left and right (surround), LFE (low frequency effects = subwoofer). The full channel facilities will be referred to as 5.1 sound, the complete possible frequency range of 20 Hz kHz as only the first five channels to 20.