The second article in a series looking at the new version of ITU-T Rec. P.863 POLQA. Speaker dependency in the Narrowband Model is the focus here.
Aspects of Skype performance between two LTE phones on the network, over WiFi and between WiFi and the network
A new version of ITU-T Rec. P.863 POLQA is now included in MultiDSLA. Discover what has changed in v2.4.
A MultiDSLA system can evaluate the speech quality transmission performance of a mobile phone with a Bluetooth link.
Making measurements of the effects of step changes in parameters is much easier in MultiDSLA version 5.
Testing Push-to-Talk (PTT) and PPT over Cellular (PoC) parameters is straightforward with MultiDSLA.
Measuring the performance of Skype and other VoIP clients is easy with MultiDSLA. Identify poor speech quality, long delay and other issues quickly, accurately and repeatably.
We are proud to announce the New Four and Six Channel Digital Level Speech Analyser Both versions have the Handset Ports (RJ22), Phone Ports (RJ11), Control Jacks and Monitor Outputs on the front panel. On the rear panel is a Sync Port, a Serial Port and an Ethernet Port for each channel pair. Like the Two Channel DSLA, the Four and Six …
What is HD Voice? HD Voice is short for High-Definition Voice, and is also called Wideband. In Internet and mobile telephony, it refers to the use of Wideband technology to provide a deeper clarity and better audio experience during a telephone call. The higher frequencies transmitted in Wideband make for easier recognition of un-voiced sounds such as “ss” “f” “sh”. …
For about a year, you have been able to automate Android smartphone voice-band performance testing with our custom app. This app is installed on the Android phone. Once installed, MultiDSLA software can make the phone place and answer phone calls automatically. Now we have an app developed for the iPhone. Note: we assume that you have an understanding of how …