10117ACQUA Acoustic Test presentationMTK WCP_H/W Seven_YangPDF created with pdfFactory trial version www.pdffactory.comOutline:1、Spec. Intro. 2、Hardware environment (CMD55) 3、Software environment (ACQUA+META) 4、Test items (CTTL) 5、Attention itemsPDF created with pdfFactory trial version www.pdffactory.com1、Spec. Intro. Test Items: The red items are CTTL test itemsSending frequency response (SFR) Sending loudness rating (SLR) Receiving frequency response (RFR) Receiving loudness rating (RLR) Side tones: Side tone masking rating (STMR) Listener side tone rating (LSTR) Telephone acoustic coupling loss (TAL): Echo loss (EL) Stability margin Sending distortion Receiving distortion Sidetone distortion Idle channel noise: Sending Receiving Ambient noise rejectionCTTL: China Telecommunica……
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