Speaking to reporters, Mr.
He added, "G.722 wideband audio codec has been around for some time (since ITU standardization in 1988). In comparision with G.711, the G.722 codec has the following superior characteristics:
.normally operates at 64 kbps (similar to G.711, A-law and u-law), although it can also operate at 56 kbps, or 48 kbps
.is license free
.has better audio frequency response due to 16 kHz sampling and 14 bit resolution, therefore better speech quality than G.711 codecs
.used to transmit higher quality audio over 64 kbps ISDN circuits - sometimes called "program audio" for radio stations
.widely used in VoIP networks, wherein VoIP phones can easily (free license and technically simple) implement G.722, instead of G.711 with the same RTP overhead."
The GL applications that support G.722 over IP are : PacketScan™, PacketGen™, VQuad™ SIP and all our MAPS™ Emulation products. PacketScan™ is a versatile Packet Analyzer for VoIP that supports many signaling protocols like H.323, SIP, RTP, Skinny, Megaco, and more. It also supports many codecs including G.722. And PacketGen™ is a SIP protocol emulator. And VQuad™ SIP, a voice and data quality test tool."
While explaining TDM platform applications, he said, "The GL applications that support G.722 over TDM are ISDN Analyzer, Call Capture & Analysis (CCA), Voice Band Analyzer (VBA) application, and
Voice Band Analyzer (VBA) application operates in near real time, processing the signal files recorded by Call Capture Application (CCA) has been enhanced to support G.722 at 64 kbps. It captures and decompresses G.722 to 14-bit PCM file.
The Audio Compression Manager (ACM) Tester is used to compress and decompress audio files. This utility also supports a wide range of codecs, including G.722 wideband codec. It also supports compressing voice files (Raw PCM and *.WAV formats) and decompressing the compressed files and *.BIN (binary audio files) files.
Oscilloscope and Power Spectral applications include options for displaying all signaling formats – a-law, µ-law, PCM 16 bit, PCM 13 bit, PCM 14 bit, PCM 8 bit and different byte order for
Founded in 1986,
GL's test tools range from simple PC-based software test tool to all-encompassing hardware units with futuristic expansion capabilities. GL's test solutions cover wide array of networks – 4G (LTE), 3G, IP, Ethernet, T1, T3, E1, E3, OC-3/STM-1, OC-12/STM-4, and traditional PSTN networks.
GL's tools are widely used by the telecommunication industry for conformance testing, automated stress/load testing, performance testing, remote accessibility, centralized web-based control and analysis, fault testing and analysis, and customized testing.
Read the full story at http://www.prweb.com/releases/glcommunicationsinc/g722codec-support/prweb11839758.htm
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