[Asterisk-Users] Music on Hold Quality

[Jorge Alayon]

Music on hold audio should be resampled to 8 bits  16 Khz mono and preencoded, so audio distortion is minimized in Asgerisk encoding. This theory has worked form me on other commercial platforms, but not yet on Asterisk, because MP3s cannot be resampled that way. If anyone figures it out, please advice.

Regards,

Jorge Alayón

-----Mensaje original-----
De: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com]En nombre de Matt
Enviado el: Miércoles, 28 de Septiembre de 2005 06:42 p.m.
Para: Asterisk Users Mailing List - Non-Commercial Discussion
Asunto: Re: [Asterisk-Users] Music on Hold Quality


I have heard this issue when on hold with Cisco and Vonage... I don't
think it's an asterisk problem I htink it's a G711 "problem"... or gsm
"problem".    Basically they are made for voice, and I think the music
goes outside their encoding ranges... sound logical?

On 9/28/05, canuck15 <canuck15 at hotmail.com> wrote:
>
>
> I was on hold at Digium and noticed they had that EXACT problem.  It was
> REAL bad on the one occasion I was on hold with them a couple weeks ago.  If
> Digium has it then there must be some inherent issues with Asterisk that
> need to be worked out.  I personally think this should be given a HIGH
> priority.
>
> Just my opinion as I am not a coder and cannot contribute in that way.
>
>
>  ________________________________
>  From: Justin Selleck [mailto:jselleck at smoothfusion.com]
> Sent: Wednesday, September 28, 2005 11:19 AM
> To: asterisk-users at lists.digium.com
> Subject: [Asterisk-Users] Music on Hold Quality
>
>
>
>
>
> Does anyone know how to maximize music on hold quality on calls inbound from
> PSTN?   I know that it is common to have choppy and static sounding music on
> hold when connecting via PSTN but how can that be minimized?  I assume that
> the bitrates, type of music, etc can minimize the effects.  Does anyone have
> any experience in this area?  Do you know where I should look for more
> information?
>
>
>
> Thanks!
>
>
>
> -Justin
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