SCTE Approves 3 Standards

May 23, 2013
The SCTE has approved three standards on VoIP, addressable video and testing of passives. SCTE 24-22 2013, "iLBCv2.0 Speech Codec Specification for Voice over IP Applications in Cable Telephony," contains the description of an algorithm for coding of speech s...
The SCTE has approved three standards on VoIP, addressable video and testing of passives.SCTE 24-22 2013, "iLBCv2.0 Speech Codec Specification for Voice over IP Applications in Cable Telephony," contains the description of an algorithm for coding of speech signals sampled at 8 kHz. Some of the applications for which the codec is suitable are real-time communications such as telephony and videoconferencing, streaming audio, archival and messaging.SCTE 138 2013, "Stream Conditioning for Switching of Addressable Content in Digital Television Receivers," describes the stream conditioning required to enable client-DPI receivers to implement switching in a both non-seamless fashion ("Level 0" or "L0"), and in a seamless fashion ("Level 1" or "L1").SCTE 145 2013," Test Method for Second Harmonic Distortion of Passives Using a Single Carrier," is intended to establish the standard methodology to measure second harmonic distortion in a cable system passive at high signal level conditions (50 60 dBmV).All three standards are available at http://www.scte.org/standards/Standards_Available.aspx.

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