What is the relationship and difference between Hi-Fi speakers and home theater speakers?

What is the relationship and difference between Hi-Fi speakers and home theater speakers?


Many friends who just know about home theater and HIFI music don't know much about the relationship and difference between Hi-Fi speakers and home theater speakers, which often confuse these two concepts. Not all sounds through the speakers? What is the difference. The difference can be big, the following series of Chinese home theater network will give you a detailed introduction of the relationship and difference between Hi-Fi and home theater.

Hi-Fi is the abbreviation of English Hight-Fidelity. It is literally translated as high fidelity. It requires the audio equipment to amplify and process the various indicators of the sound signal without distortion during the playback process to restore the original appearance of the sound source. It is original and is designed to enjoy music.

AV amplifier, as the name suggests A (audio) means audio, audio, V (video) means audio, image, so AV amplifier is a collection of audio and video signal processing audio amplifier, emphasizing the sound field atmosphere, dedicated to the family cinema.

Today we will look at the relationship and difference between the two from a professional and non-professional perspective.

From a professional point of view, these two amplifiers have different aspects, which determine their technical indicators, sound field atmosphere, number of channels, circuit design and so on.

1. Different technical indicators

The technical specifications of high-fidelity Hi-Fi amplifiers mainly include output power, harmonic distortion, signal-to-noise ratio, frequency range, rated impedance and damping coefficient, especially emphasis on harmonic distortion and signal-to-noise ratio; while AV amplifiers also have these Technical indicators, but more emphasis on channel isolation, delay time range, various sound field modes (DSP system, home THX system, Dolby AC-3 system) and other indicators, and AV amplifiers have more indicators on the video part .

2, the sound field atmosphere is different

The Hi-Fi function is designed with high fidelity in the way of sound reproduction. It pays attention to the signal from the signal source, which is mainly used to appreciate music, vocals, etc., and pursues the real effect of sound. The AV power is placed in the sound mode as the main design purpose, emphasizing the sense of position of the sound, simulating the atmosphere of the listening environment, such as cinemas, halls, churches, stadiums, studios, etc.

3, the number of playback channels is different

The Hi-Fi function is usually two channels when playing, that is, the signals of the left and right channels are amplified, and the left and right two groups of speakers are pushed to form a stereo sound field. The AV amplifier has 4-9 channels, which drive multiple speakers to form a surround sound field. For example, the Dolby AC-3 requires 5.1 channels (left, center, right, left surround, right surround, subwoofer).

4, the circuit design is different

From the perspective of circuit design or circuit configuration, there are big differences between the two power amplifiers. First of all, the high-fidelity Hi-Fi power amplifier circuit is relatively simple, the signal processing program is small, only the combination of the amplifying circuit and the switching and adjusting circuit: the AV power amplifier has more decoding circuits and delays, reverberation circuits, etc. than the Hi-Fi power amplifier, and It is also responsible for amplifying multiple signals, resulting in high integration, complex circuitry, and many signal processing procedures. Secondly, the AV power is placed on the circuit structure as well as the video circuit.

Of course, the difference between AV audio and HI-FI audio is not different from every ordinary consumer. Here we briefly talk about the price of AV audio and the price of HI-FI audio. The gap is an indisputable fact, the price of a set of high-end AV audio can only buy an entry-level HI-FI system, so the price is an important difference between AV audio and HI-FI speakers.

Secondly, in terms of the number and quality requirements of the speakers, the requirements of AV audio and HI-FI speakers are completely different. AV audio is usually composed of several speakers, including satellite surround box and subwoofer effect box, these speakers and HI Compared with the speaker of the FI, the speaker pays more attention to the power, frequency response and distortion requirements of the speaker. In addition to these, the AV speaker pays more attention to the synergy between the multiple speakers, while the HI-FI speaker is completely opposite to the AV stereo. The HI-FI speaker is composed of two speakers, which have music reproduction and sound effects, and do not have sound rendering capability, which can ensure a relatively high sound real playback.

China Home Theater Network: As people's requirements for sound effects are different, AV audio and HI-FI speakers are more like the same direction. AV speakers are also beginning to pay attention to the improvement of sound quality, while HI-FI speakers are gradually strengthening. Sound effects, with the development of electro-acoustic technology, we may see more combinations of AV & HI-FI speakers in the future.

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