On 12.10.2017 13:26, Vimal Babu wrote: > > *ISSUE : POOR AUDIO QUALITY AND HIGH LATENCY WHILE USING HFP* > > ** > > We are using Bluetooth HFP Configuration with Pulse Audio, BlueZ and > oFono components and facing issues of poor Audio high latency. > > Using HFP we are able to receive and transmit voice (BlueZ stack is > running in EVK and a mobile is paired to it. From EVK, over BT we are > making call to other Mobile). > > At the reception part (Mobile to EVK ) the audio quality is poor but > no latency is there, but voice transmission part (EVK to Mobile)there > is a high latency of 30-40 sec to get the audio which is not desirable. > > Is these issues related to configuration part of pulse audio, anyone > please guide with proper configuration method of pulse audio? > > Configuration details in EVK > > ·Bluez (version is 5.37) > > ·Pulseaudio (version is -8.0) > > ·Bluetooth Chip is in HCI mode > > Steps done > > ·$ bluetoothctl  // scanned, paired, trusted,connected the mobile > phone to our device > > ·$ pactl list // we can see bluez.source and sink > > ·Using ofono telephony service we have made call to other mobile > > ·Ring sound started to hear in our local speaker in EVK, when we > attended the called at the receiver end (Mobile). > > We are facing two issue, they are the following > > ·Bluez.source to alsa sink (local speaker) the sound quality is poor. > > ·USB MIC(local mic) to Bluez.sink, we have observed a latency of about > 30-40 seconds for the audio. > > ** > ** I would recommend an update to PA 11.1 if possible. If that does not fix your problem or if you can't upgrade for some reason, a verbose pulsaudio log would be helpful. -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.freedesktop.org/archives/pulseaudio-discuss/attachments/20171012/72165fa5/attachment-0001.html>
