Liupanshui sound-absorbing soft bag manufacturer

Liupanshui acoustic sound-absorbing soft bag manufacturer: After entering the porous material sound or vibration can cause plate bending deformation, sound energy into heat effect is the phenomenon of acoustic sound-absorbing material impact to the surface after the energy loss, sound absorption can reduce indoor sound The pressure level indicators are described in the sound absorbing absorption coefficient a, represents the ratio of energy absorbed by the acoustic energy with the incident sound. Theoretically, if a material is completely reflected sound, then it's a = 0; If a material can absorb all the incident sound, then it's a = 1. In fact, all the material a between 0 and 1, which is not all reflection, it is impossible to absorb all fabric acoustic panels suitable places, For phase product-related information or sample block, please call: 15913137176, 02066291993 Lei, business QQ: 81482540, I plant will provide free information to you with the reference model. Sound-absorbing soft bag for acoustic or decorative interior walls and top, suitable for hotels, restaurants, offices, theaters, stadiums, studio, studio, conference hall, dance hall, gymnasium, exchanges, business offices, hospitals, books museum, railway stations, factory floor, as well as family noise control and other places. An acoustic foundation, the human ear can hear frequencies range 20-20KHZ. 2, the acoustic energy into electric energy device is a microphone. 3, to convert electrical energy into acoustic energy device is a speaker. 4, the audio system in the acoustic feedback howling, usually adjust the equalizer. 5, room reverberation time is too long, there will be sound muddy. 6, room reverberation time is too short, there will be sound dry. 7, singing voice feels too dry, when adjusting the reverb. 8, when the speech sound muddy, probably because of the addition of reverb. 9, the three elements of sound refers strong tone, pitch, timbre. 10, an objective evaluation measure sound intensity corresponds to the amplitude. 11, an objective assessment of the scale is the frequency corresponding to the pitch. 12, corresponding to an objective assessment of the tone scale is a spectrum of sound-absorbing soft bag manufacturer Liupanshui