[cisco-voip] MOH File Distortion

[Jason Burns]

Here are my steps from doing this before:

When using CoolEdit to save this file out as an 8 bit 8khz ulaw file
it sounded AWFUL.

CoolEdit was able to send it out as 16 bit 8khz PCM that sounded just fine.

Once the 16 bit 8khz file was put through CallManager's
AudioTranslator we could still
hear the music and the hissing problem was gone.

I'd recommend all MoH quality problems follow a similar path in the future:

1. Use CoolEdit or some other professional software to fix the audio
amplitude and sample
rate (moving from 48kHz to 8kHz for example).

2. Instead of following the steps of saving this file out as the
individual 8 bit ulaw
just save the file out as a 16 bit PCM WAV file.

3. Listen to the file to confirm audio quality is still good.

4. Upload this file to audio translator.

If you want an old version of something, I recommend oldversion.com

http://www.oldversion.com/Cool-Edit-Pro.html

Hopefully this helps. Once you save the file out as 16 bit 8khz from
cooledit listen to it and make sure it sounds good. THEN put it
through MoHAudioTranslator in CallManager.



On Tue, Feb 24, 2009 at 6:22 PM, Lauren Bailey <LaurenB at willamalane.org>wrote:

>  Hi Jason – I don’t have Cool Edit any more… it got lost with my windows
> 98 machine. Do you know where I can get a copy? Adobe has purchased it and
> changed it and of course, I can’t upgrade from where I was (still have
> serial number). I’m having problems with too few options on other software.
> Any ideas? Still getting crackly overly compressed/distorted files.
>
> Thanks!
>
> Lauren
>
>
>
> *Lauren Bailey*
>
> Willamalane Park and Recreation District
>
> Communications Specialist
>
> 541/736-4046
>
>
>
> "To begin living like you've never lived before, begin living like you've
> never lived before!"
>
>
> Mike Dooley
>
> P Please consider the environment before printing this e-mail.
>
>
>
>
>
> *From:* Jason Burns [mailto:burns.jason at gmail.com]
> *Sent:* Friday, January 16, 2009 4:13 PM
> *To:* Lauren Bailey
> *Cc:* cisco-voip at puck.nether.net
> *Subject:* Re: [cisco-voip] MOH File Distortion
>
>
>
> Lauren,
>
>
> Before you load them into the CallManager are you checking the audio
> quality and making sure they sound good?
>
> I used an old version of CoolEdit to get my samples into the right format.
> I can send you some old docs I have on the process when I get to my other
> computer on Sunday or Monday.
>
> On Fri, Jan 16, 2009 at 2:38 PM, Lauren Bailey <LaurenB at willamalane.org>
> wrote:
>
>
>
> Hi All… I'm getting desperate. I'm trying to replace our MOH files that I
> made last year that sound just great but everyone is SICK of them. I've
> downloaded as well as ripped several files, converted them to wma 8000 mhz,
> 32mbit and every single one doesn't even begin to sound like music on our
> system (ccm 5.0).  Distorted, buzzing, hissing, etc. Does anyone know how to
> make a good clear conversion? Also, I've used no less that 3 different
> software programs for conversion – paid for AND shareware. Something is
> wrong in my process…
>
>
>
> In addition, I am having problems getting out to the list. Would someone
> please respond to let me know whether they are receiving this?
>
>
>
> Thanks so much!
>
> Lauren, AT (Accidental Tech)
>
>
>
>
>
> *Lauren Bailey*
>
> Willamalane Park and Recreation District
>
> Communications Specialist
>
> 541/736-4046
>
>
>
> "To begin living like you've never lived before, begin living like you've
> never lived before!"
>
>
> Mike Dooley
>
> P Please consider the environment before printing this e-mail.
>
>
>
> https://puck.nether.net/mailman/listinfo/cisco-voip
>
>
>
>
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