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Java Development

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Developer
Aviator168
Posts: 694
Registered: 09-10-2009
My Carrier: Verizon

Re: Another duplex audio thread

GSM only

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Developer
dynamicdhaka
Posts: 98
Registered: 12-10-2009
My Carrier: SingTel

Re: Another duplex audio thread

how skype giving voice system in blackberry cdma phone

Mobile Application Advisor
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Developer
dx22
Posts: 395
Registered: 11-26-2010

Re: Another duplex audio thread

So basically which is the best way to deal with the initial buffer delay?

I have app working on the following devices:

bold 9780

torch

pearl 9100

 

but currently i have about 1 sec. delay. I read about some strategies employed to reduce the delay including:

 

1)Upsampling audio (i am using raw pcm for now)

2)load initially with predefined data(silence/static noise)

 

So what is the best way to reduce that delay? Also how do you manage the cases where the buffer gets emty - for example no datagrams are delivered for some time doe to network problems?

 

My app is still very raw but transmits audio and seems to be stable. 

 

For me the biggest delay was caused by the BB OS because my app did some very intense work which caused the os to freeze for a few seconds from time to time. However i worked that trough and now the only thing which still bothers me is that initial buffer which has to be filled.

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Developer
dynamicdhaka
Posts: 98
Registered: 12-10-2009
My Carrier: SingTel

Re: Another duplex audio thread

pearl 9100 support duplex? anyone success to make duplex in bold 9650 cdma

Mobile Application Advisor
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Developer
dynamicdhaka
Posts: 98
Registered: 12-10-2009
My Carrier: SingTel

Re: Another duplex audio thread

i am getting around 3s delay for amr codec in bold 9780 and torch 9800 both ..how  can it be solved.i have approach various way but could not make it limited

Mobile Application Advisor
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Developer
Aviator168
Posts: 694
Registered: 09-10-2009
My Carrier: Verizon

Re: Another duplex audio thread

 


dynamicdhaka wrote:

how skype giving voice system in blackberry cdma phone


Sky on Verizon is not VoIP. Verizon users calls the local Skype server through regular cell call and the server connects the call to the destination. Either Verizon or Skype is eating the airtime.

 

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