I'm using CM 3.3.4 (I KNOW!) and having an issue with MOH. I take a good .wav file, drop it in the translation folder, create new MOH source and update devices. Off and On Net Callers hear the recording but it sounds fuzzy and a lisp is heard with S words. I've checked the file before translation and it's perfect. MOH codec is G.711. I tried using G.729 but that made off net sound even worse. Any suggestions? I've checked with our vendor and have received "it should be working fine".
That is not its main purpose. Again, its sole purpose is to convert a given wav and/or mp3 into different codec formats to be used over a VOIP network. If the original wav/mp3 file is also equalized or adjusted to lower the high treble bands (not too much), that will help decrease the extra "hissing" or scratchy sound, as you put it, after file conversion.
It is apparent that CCM's MOH Audio Translator will enhance these sounds in, for example, female lyrics/vocals, and or when a soprano type person vocalizes any given word/s. To add to that, there will be an enhanced hissing sound in the background as well. It may seem more magnified, then the original wav/mp3. That is what happens when a high quality, digital music recording gets converted to a lesser quality format.
On offline basis, because there are different types of file formats and different types of voice quality, per file, it is advisable to convert the same MOH file over again and again using different format structures, in order to see what works and what doesn't work for better MOH quality and audio fidelity.
This is where the trial-and-error approach comes in.
After many attempts following the recommendation here, the MOH was still too poor to use. A new professional recording was done by a man with a very deep voice. 16khz/16 bit was lispy, but the recording in 8 khz / 8 bit has no lisping or hissing at all. The background music still sounds a little tinny, but it is acceptable.
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proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
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