China's audio industry in urgent need of energy saving and emission reduction

Because working relationship, I contact with a lot of sound design of the project, also visited many venues, also watched a lot of performance, which, reflect the problem is very prominent, the energy conservation and emissions reduction.
First, in the design of the sound system, decorate too many speakers in the hall, to choose the sound power of the slant generally. A hall, need how many speakers only, no hard and fast rules. But national standard GBT50356-2005 "theatre, cinema and multi-purpose halls architectural acoustics design specification" and "hall amplification system design specification", etc., are clearly shows the different USES, different class halls of the sound pressure level requirements. We should know that such a request is through the rational allocation of power and quantity of the speaker

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