This has nothing to do with this list, as this list is focused on developing applications with the Android SDK. For questions about the Android source code, please visit http://source.android.com.
On Mon, Jan 30, 2012 at 7:52 AM, As4xk <[email protected]> wrote: > Hi. > We hare read a lot of discussions regarding recording in-call audio. > Our understanding is that most devices does not support this because > the baseband processor routes the audio directly to the audio output > hardware (speaker, minijack etc.). > > We have some devices (for example HTC Desire Z) that seems to route > the audio through the application processor. By recording using > MediaRecorder.AudioSource.MIC as audio source, the  receiving audio IS > recorded. The quality of the received audio however, is poor with low > volume. > Recording using android.media.AudioRecord and > android.media.MediaRecorder with MediaRecorder.AudioSource.VOICE_CALL/ > VOICE_DOWNLINK/VOICE_UPLINK as audio source, recording does not work > at all. > > What we would like to know, is if it is possible to capture this audio > on a lower level? If we build Android from source, and make some > adjustments to the code, is it possible to get the audio stream for > the telephony service or something like that? > If this is possible, does anyone have any resources on how android > handles in-call audio when it is routed through the application > processor? > Is there any documentation on the Android source? > > > Thanks in advance for any help. > > -Knut Liestøl > -Stian Fauskanger > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en -- Mark Murphy (a Commons Guy) http://commonsware.com | http://github.com/commonsguy http://commonsware.com/blog | http://twitter.com/commonsguy _Android Programming Tutorials_ Version 4.1 Available! -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
