User's Manual

TITLE:
Product Specification for HS-W1
Revision:
001
Date:
11/30/2011
Prepared by:
Approved by:
Page: 9 of 18
本文件為美律實業股份有限公司專有之財產，非經書面許可，不准透露或使用本資料，亦不准複印，複製或轉變成任何其他形式使用。
The information contained herein is the property of Merry and shall not be distributed reproduced, or disclosed in whole or in part without prior written
permission of Merry.
Any deviation from the prescribed testing conditions must be called out in the design
verification reports.
4.2 Audio Performance
4.2.1 Summary of key audio parameters
Parameter
Value
Test Signal Level
Note
Max SPL @ ERP
< 120 dB SPL
-3.01 dBDrms
20Hz-20KHz, DRP-to-ERP
correction needs to be applied
RX THD
RXTHDMASK
See mask
-3.01 dBDrms
300-8000 Hz, RX THD<3%
RX Idle receive
noise
< -56 dBPa(A)
-Inf dBDrms sent
Audio connection must be active
SLR
15+/- 3
-4.7 dBPa(A) @
MRP
Artificial speech P50 test signal
must be used. The SLR is
calculated from 100-8KHz.
Send Response
TX Mask
TXMASK
See mask
-4.7 dBPa(A) @
MRP
Artificial speech test signal must be
used.
Idle send noise
< - 64 dBm0p
Psophometeric weighting used
TCL
w
> 30dB
-18.2dBDrms
Real speech must be used
Signal input
through 2.4G
USB dongle