Handbook for Sound Engineers

152 Chapter 7 most have a value of BR|0.9–1.0. 7.2.2 Energy Criteria According to the laws of system theory, a room can be acous ...

Acoustics for Auditoriums and Concert Halls 153 speaker has, on principle, to be used for exciting the sound field, while with m ...

154 Chapter 7 7.2.2.4 Center Time (ts) (Kürer) For music and speech performances, the center time ts is a reference value for sp ...

Acoustics for Auditoriums and Concert Halls 155 (7-27) One should thus strive for an intelligibility of syllables of at least 85 ...

156 Chapter 7 (7-31) Based on the comparison of subjective examination results with a maximum possible intelligibility of sylla- ...

Acoustics for Auditoriums and Concert Halls 157 basis of the word-frequency dictionary and a language-relevant phoneme distribut ...

158 Chapter 7 The results of the subjective intelligibility test are greatly influenced by speech velocity which includes the nu ...

Acoustics for Auditoriums and Concert Halls 159 VSNR is the influence factor of the useful level (speech level) Lx and of the di ...

160 Chapter 7 (7-36) The value for a good clarity measure C 80 depends strongly on the musical genre. For romantic music, a rang ...

Acoustics for Auditoriums and Concert Halls 161 Spatial impression measures below 5dB up to 10 dB are referred to as being les ...

162 Chapter 7 tion time coincides with the objectively measured rever- beration time. 7.2.2.15 Register Balance Measure (BR) (Te ...

Acoustics for Auditoriums and Concert Halls 163 measures can be characterized as follows: Auditoriums, congress centers are main ...

164 Chapter 7 Classical concert halls serve first of all for music events ranging from soloist presentations to the great sympho ...

Acoustics for Auditoriums and Concert Halls 165 refurbishment. Point of departure in this respect is a purposeful influencing co ...

166 Chapter 7 in Fig. 7-6, it becomes evident that the room volume must not fall short of a certain minimum if the desired rever ...

Acoustics for Auditoriums and Concert Halls 167 values depend, of course, on the maximum possible power of the sound source. By ...

168 Chapter 7 structured ceiling layout, prolongation of the reverbera- tion time up to a factor of two results and is especiall ...

Acoustics for Auditoriums and Concert Halls 169 but has disadvantages due to timbre changes impairing intelligibility. As the ta ...

170 Chapter 7 the concert halls of the Gewandhaus in Leipzig and De Doelen in Rotterdam.^33 This combination of a ground plan la ...

Acoustics for Auditoriums and Concert Halls 171 produces balance problems with musical performances, leaving questions regarding ...