Cart 0 Product Products (empty)
No products
To be determined Shipping
$0.00 Total
Product successfully added to your shopping cart
Quantity
Total
There are 0 items in your cart. There is 1 item in your cart.
Total products
Total shipping To be determined
Total
New Reduced price! 
View larger
View larger 
ETSI TS 103 106
M00003841
New product
ETSI TS 103 106 Speech and multimedia Transmission Quality (STQ); Speech quality performance in the presence of background noise: Background noise transmission for mobile terminals-objective test methods
standard by European Telecommunications Standards Institute, 04/01/2014
In stock
More info
Full Description
ETSI TS 103 106 describes testing methodologies which can be used to objectively evaluate the performance ofnarrowband and wideband mobile terminals for speech communication in the presence of background noise.Background noise is a problem in mostly all situations and conditions and needs to be taken into account in both,terminals and networks. The present document provides information about the testing methods applicable to objectivelyevaluate the speech quality of mobile terminals with AMR and AMR-WB codecs in the presence of background noise.