Openmoko Bug #1267: Strong echo when calling a Neo from another phone
Openmoko Public Trac
bugs at docs.openmoko.org
Wed Oct 8 23:20:44 CEST 2008
#1267: Strong echo when calling a Neo from another phone
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Reporter: mail at mmontour.net | Owner: sean_chiang
Type: defect | Status: assigned
Priority: high | Milestone:
Component: Audio | Version: unspecified
Severity: normal | Resolution:
Keywords: audio, echo | Blockedby:
Reproducible: | Blocking:
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Comment(by michael):
Daniel Nöthen reports, and Angus Ainslie confirms, a pattern which might
help
debug this issue. Full email at:
http://lists.openmoko.org/pipermail/community/2008-October/032655.html
Excerpt:
1. Boot the freerunner
2. Make a call -> no echo
3. Hang up
4. Make a call -> echo
5. Hang up
6. /etc/init.d/xserver-nodm restart
7. Make a call -> no echo
8. Hang up
9. Make a call -> echo
.
.
.
With the above state file I was able to bring up the "Speaker" volume up
to
100%
without hearing any echo on step 2 and 7.
The volumes on both sides were very good.
On step 4 and 9 I could only bring up the "Speaker" volume to 79%.
Above 79% the echo came back.
So it seems that the echo suppression command (AT%N0187) gets reset after
every call.
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/1267#comment:17>
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