sanachakri143 / sipdroid

Automatically exported from code.google.com/p/sipdroid
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Call recorder badly out of sync #898

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago
> What steps will reproduce the problem?

1. Activate call recording to SD.

2. Make or receive a call.  I use the following routes:
   (outgoing) sipdroid --> pbxes --> sipgate
   (incoming) Google Voice # --> sipgate --> pbxes --> sipdroid

3. Review the call recording afterward.

> What is the expected output? 

Stereo audio (one side of conversation per channel) that is very close to what 
I heard on the actual phone call.

> What do you see instead?

The recording channels are badly out of sync.  It seems the local half of the 
call is delayed by several seconds... for example I hear the remote party 
respond to questions shortly before I ask them.

What version of the product are you using? On what device/operating system?

LG Optimus V (Android 2.2.1), Sipdroid 2.2.1 beta.

Which SIP server are you using? What happens with PBXes?

sipgate via PBXes.

Which type of network are you using?

This is over 3G as well as over Wi-Fi.

Original issue reported on code.google.com by benji.ti...@gmail.com on 15 Apr 2011 at 5:04

GoogleCodeExporter commented 9 years ago
This issue has little impact on Android 4.

Recording of outbound and inbound sound is separated into two stereo channels.
Outbound sound from the microphone is in the right channel for both an outgoing 
and incoming calls.
For outgoing calls, synchronization is great.
For incoming calls, inbound audio is slightly over 1 second delayed.
- This is for Android 4.2.2/4.3
- For Android 2.2 Froyo, the delay is about 5 seconds.

Original comment by har...@therudells.com on 3 Sep 2013 at 5:33