[asterisk-users] Music On Hold Help

[Steve Edwards]

Un-top-posting...

>>>       On Sun, 31 Oct 2010, Matt Darnell wrote:
>>>
>>>       > We have downloaded some royalty free music but it sounds 'fuzzy' when we
>>>       > test it with the system.
>>
>>> On Sun, Oct 31, 2010 at 5:34 PM, Steve Edwards <asterisk.org at sedwards.com> wrote:
>>>
>>> Can you post a link to the "original?"

>> On Sun, 31 Oct 2010, Matt Darnell wrote:
>>
>>> Here is the original - http://www.makaicom.com/music/gt_30.wav
>>> Here is after we downsample using cool edit - http://www.makaicom.com/music/gt-30-ce.wav

> On Sun, Oct 31, 2010 at 9:43 PM, Steve Edwards
>
>> Sounds reasonable to me. Do you have issues with all MOH?

On Mon, 1 Nov 2010, Matt Darnell wrote:

> Did you use this syntax to convert:
> sox foo-in.wav -r 8000 -c 1 -s -w foo-out.wav resample -ql

Close, I don't do the "resample" effect. Way back when I wrote my
"transcribe" script it didn't seem to add any goodness to my prompts.

Once I have the file in the correct format, I use "normalize"
(http://normalize.nongnu.org/) to adjust the volume.

Lately, I've been receiving more prompts with visible (as seem in
Audacity) DC offset so I'm looking for command line tools to correct
that as well as high pass and low pass filters. I think the newer
(than distributed with CentOS 5.x) version of sox will handle
everything I need.

Anybody care to volunteer their transcoding script?

-- 
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards       sedwards at sedwards.com      Voice: +1-760-468-3867 PST
Newline                                              Fax: +1-760-731-3000