[Q] Microphone AGC - XPERIA X2 General

Hello!
It seems like the microphone AGC does not work with MR2.
The recording is distorted if you try to record loud sound, and the recording gain seems to be set at a fixed level and not adjusted to weak sounds.
Yes, I have tried to activate AGC (Start-Settings-System-Microphone AGC). Seems like this setting has no effect at all.
I am sure that this worked prior to MR2, because I have some old recordings on the memory card that are nicely adjusted and with much better audio quality than now.
Could there be some registry settings?
Any suggestions would be appreciated.

Hi have the same problem... after update to MR2, the microphone don't work.
I am really interested to use Skype, after MR2 Skype works fine on my mobile...

Bump!
Anyone?

Prydplante said:
Bump!
Anyone?
Click to expand...
Click to collapse
Confirmed. Video recording gives normal sound,
when recording in Notes for instance is distorted.

Yes. And it's very irritating because the recordings had very high quality with the first firmware version. And it't much better with camera recording. So it's not hardware.

Related

bad sound on video recording

sorry if this is already on forum..
so.. when i was recording in the club with n95, e71.. sound was ok.. but with HTC HD2, sound is terrible!!!!!
is there some tip? tweak to reduce microphone sensitivity, etc??
thank you very much.
bump pls....
thnx
Another bump from me for this
Older PPC devices used to have a Control Panel setting for microphone AGC or manual level settings but I can't find anything in the registry that looks likely.
I've tried using the HD2 to record video at both a rock concert (very loud) and a folk concert (not very loud!) and both had good video but highly distorted sound levels.
Apart from sticking some blutack over the microphone, are there any other suggestions?
mobrado said:
sorry if this is already on forum..
so.. when i was recording in the club with n95, e71.. sound was ok.. but with HTC HD2, sound is terrible!!!!!
is there some tip? tweak to reduce microphone sensitivity, etc??
thank you very much.
Click to expand...
Click to collapse
Same problem here.
With the n95 i had no problem geting good sound on my video when recording at a party with loud music. But with all my HTC phones i get crapy sound.
Is there any solution to this, exept asking the dj to turn the music down?
I know that this thread is old, but... has anyone found any solution on this?
I was in a Guns'n'Roses European Tour last night in Barcelona, and today i've been watching the videos. All videos have the sound distorted and useless, i'm very dissapointed on it.
I know that Samsung Galaxy S has the same problem , but seems that audiobooster solves it
showthread.php?t=758326
Is there any similar on the HD2?
not only nokia n95 but iphone users enjoy very good sound while recording
on our HTC HD2 it's seems like the mic gain to much volume and alot of bass enter the mic
which cause bad sound like the speaker going to ripoff from the device
any suggestion?

Mic recording distortion, due to hardware auto gain

One picture is worth a thousand words
Recorded with Tapemachine. Same conditions, same audio source, same settings... The only difference is hardware autogain control enabled on first sample, and disabled on the second one
How to disable it during video recording? No idea yet
that's a good improvement,maybe supercurio knows how to do it.that would be awesome for a good video recordings.
At least we now know the problem. Very good work.
Hmm i am really waithing for this fix. recording is HD is quite cool and good quality but its useless because the sound always go's bad because its recorded to loud.
New info:
AudioHardwareInterface: AudioHardwareBase::setParamenters(downgain=0)
That's how Tapemachine switch off hardware auto-gain
And auto-gain off seems only to work with mic set to front (AudioSource: VOICE_RECOGNITION)
Thanks to aLogcat app
rafalense said:
New info:
AudioHardwareInterface: AudioHardwareBase::setParamenters(downgain=0)
That's how Tapemachine switch off hardware auto-gain
And auto-gain off seems only to work with mic set to front (AudioSource: VOICE_RECOGNITION)
Thanks to aLogcat app
Click to expand...
Click to collapse
hohoho. Now we just need someone with the knowledge to do that. Thanks rafalense for find out this
Don't forget that it needs those settings to be optimised for audio calls. Most likely, with theses settings, while in call, the audio will catch more of the surrounding than the vocal itself.`
So the best way for this to works would be to make an apps that does the command then goes dormant. Then you can record whatever and, when done, disable and close the dormant app (kinda like TrackerBooster)
BTW, don't forget that you're recording with a crappy built in microphone from a smartphone. I'll try to do the same with an external microphone to see.
I own both the Galaxy S and the Samsung Wave s8500.... And, i gotta say, that the Wave has MUCH better sound when recording video at 720p + Its much better synced with the actual video... Maybe you could look at the Wave and how i manages sound? It has the Bada OS (unfortunately)
Hi !
That's something I'll fix soon using hardware auto-gain.
For now I'm working on a jitter issue and the gain is the next one in the TODO list
As the jitter one is quite difficult I cannot give ETA yet
supercurio said:
Hi !
That's something I'll fix soon using hardware auto-gain.
For now I'm working on a jitter issue and the gain is the next one in the TODO list
As the jitter one is quite difficult I cannot give ETA yet
Click to expand...
Click to collapse
Thanks a lot, supercurio, without you, our galaxy wouldn't be as good as it is.
any updates on this item yet? this would make recording video's so much better.
Try this kernel, mic gain issue seems to be solved, plus other sound improvements:
http://forum.xda-developers.com/showthread.php?t=822756
Also, follow Supercurio. Headphone & FM Radio improvements already done, currently busy with mic:
http://forum.xda-developers.com/showthread.php?t=806195
I'm busy moddifying stock camera, in order to increase samplerate and bitrate. Updates to come
Great efforts by the members of xda, REALLY.
The idiots at Sam**** should have sorted this out though.
rafalense said:
Try this kernel, mic gain issue seems to be solved, plus other sound improvements:
http://forum.xda-developers.com/showthread.php?t=822756
Also, follow Supercurio. Headphone & FM Radio improvements already done, currently busy with mic:
http://forum.xda-developers.com/showthread.php?t=806195
I'm busy moddifying stock camera, in order to increase samplerate and bitrate. Updates to come
Click to expand...
Click to collapse
video bitrate is already quite high but higher audio bitrate might be a good improvement
Hardware is able to record @48000 and around 256Kbps, but video and audio are out-of-sync
My guess, something coded wrong in the driver, so lets see if voodoo sound new kernel fixes it, and then we will record hd video with hd audio as well
A did a test for you minutes ago, check audio info:
rafalense said:
Try this kernel, mic gain issue seems to be solved, plus other sound improvements:
http://forum.xda-developers.com/showthread.php?t=822756
Also, follow Supercurio. Headphone & FM Radio improvements already done, currently busy with mic:
http://forum.xda-developers.com/showthread.php?t=806195
I'm busy moddifying stock camera, in order to increase samplerate and bitrate. Updates to come
Click to expand...
Click to collapse
why do you think this fixes it.. from my readings that kernel does not muck with video recording rates or microphone gain...
Hardcores K12L?
Check yourself. I did, and mic distortion is reduced considerably
rafalense said:
Hardware is able to record @48000 and around 256Kbps, but video and audio are out-of-sync
My guess, something coded wrong in the driver, so lets see if voodoo sound new kernel fixes it, and then we will record hd video with hd audio as well
A did a test for you minutes ago, check audio info:
Click to expand...
Click to collapse
I would recommend trying 44100Hz.
supercurio said:
I would recommend trying 44100Hz.
Click to expand...
Click to collapse
Also possible:
16000 - 22050 - 24000 - 32000 - 44100 - 48000 tested
How can you get the camera app to record at 44.1KHz?
Edit: Got it. Weird though, even though it's 44.1KHz, the cutoff frequency is 12.0KHz instead of 22.050KHz. Not much improvement over 8KHz cutoff, but better than nothing.

HD2 720P recording and the Noise in Phone7

I have been playing around with my HD2 on Phone 7 for the last few days and i am super pleased with the overall performance stability and user comfort it brings. Only drawback i have currently is that the market is not working but i think i farked up somewhere along the line there with the activation and registration.
Only one issue remains and that is the recording of video in 720P. The sound is to loud it seems and there is a big HISS covering all other sound. Now i was wondering what this sound could be seeing i recorded in a silent room (true silent room for hearing testing) and still the hissing was in the background. So while recording i put my HD2 to my ears and behold the hissing sound is the back speaker emitting static. I have no idea how to fix this seeing i am not an DEV.
But seeing the clutter of posts in the general tread i started this one. Can anyone confirm this behavior on their HD2 running Phone 7 ?
shuntje said:
I have been playing around with my HD2 on Phone 7 for the last few days and i am super pleased with the overall performance stability and user comfort it brings. Only drawback i have currently is that the market is not working but i think i farked up somewhere along the line there with the activation and registration.
Only one issue remains and that is the recording of video in 720P. The sound is to loud it seems and there is a big HISS covering all other sound. Now i was wondering what this sound could be seeing i recorded in a silent room (true silent room for hearing testing) and still the hissing was in the background. So while recording i put my HD2 to my ears and behold the hissing sound is the back speaker emitting static. I have no idea how to fix this seeing i am not an DEV.
But seeing the clutter of posts in the general tread i started this one. Can anyone confirm this behavior on their HD2 running Phone 7 ?
Click to expand...
Click to collapse
Hi Guys,
please note that though the option says 720P the quality that is captured isnt' 720P.
!!!!
yksudha said:
Hi Guys,
please note that though the option says 720P the quality that is captured isnt' 720P.
!!!!
Click to expand...
Click to collapse
um buddy....yea it is. check your file props
is there hissing on the computer when you play it as well?
or isit just windwos phone being too loud?
Jonny4911 said:
is there hissing on the computer when you play it as well?
or isit just windwos phone being too loud?
Click to expand...
Click to collapse
The phone itself is emitting the sound while recording. The second you start the recorder it starts to hiss. And yes the hissing is there when you play back the video. And YES it is 720P i recorded video and checked its auto focus is a tad laggy but it works.
I can confirm both, that it's 720p and the noise in the background.
I have a few solutions in mind, I will try them and post back here so soon. As this noise is so frustrating !
I didnt find any unusual hiss noise. Only thing I found was wind noise, and Im cool with that. THe audio is very very clear in my honest opinion.
i didn't find any hiss either
in fact my phone was rather silent when recording!
although i have changed the maxdbatten to 60 and ui vol to 50
my volume setting was at five
and i listened to it back, and the music i "recorded" was very clear
infact you could hear my computer fans!
...
When i playback the video on my computer, there's no hissing sound. On the phone i hear hissing sound when playing any 720p video, so it has to be something with the format itself.
For the ppl who reply there is no hiss or static sound in the background or at all can you try and confirm the back speaker of the HD2 makes no sound either in video recording modus ?
I found video recorded are a bit yellow. look my own video test at http://youtu.be/rDGcYVOOkbY. Weather was foggy not so clear.
shuntje said:
For the ppl who reply there is no hiss or static sound in the background or at all can you try and confirm the back speaker of the HD2 makes no sound either in video recording modus ?
Click to expand...
Click to collapse
I've just given it a try and I certainly don't have any hissing noises during recording or playback.
noise
I am suffering from this static noise too. And yes, it is definitely eminating from the back of the phone. Tried different rom versions, the noise stays the same. I would appreciate if someone would share the solution with me.
Hiss
Here too !!!

Sound/bass recording quality > worst than SGS 2

Today I realized that the phone don't have any bass response at all when you record a video. You can put the phone right behind the speaker and it won't record any bass... but if you use the voice recording app, it does recognice bass.
Like this video i've found in the internet:
There are any way to deactivate the stereo recording on videos?
takato23 said:
Today I realized that the phone don't have any bass response at all when you record a video. You can put the phone right behind the speaker and it won't record any bass... but if you use the voice recording app, it does recognice bass.
Like this video i've found in the internet:
There are any way to deactivate the stereo recording on videos?
Click to expand...
Click to collapse
Old news, there's a whole topic on this already with like 200 post.
Supercurio is aware of the problem and is already working on a solution to be released with his VooDoo sound and color.
delete it, i've found a lot of threads like this .- Sry

Audio crackling in video

Hi just hoping someone has a solution for this. Notice that if I move with the device I get a terrible hiss or crackle in the audio. This is also noticeable if there is slight wind. Any way to reduce Mic gain or other ways to improve audio in videos. Super disappointed.
Thanks!
Blue1k said:
Hi just hoping someone has a solution for this. Notice that if I move with the device I get a terrible hiss or crackle in the audio. This is also noticeable if there is slight wind. Any way to reduce Mic gain or other ways to improve audio in videos. Super disappointed.
Thanks!
Click to expand...
Click to collapse
I wonder if it is the same problem I'm having, I just bought the phone and don't even have the right size sim yet to test audio in calls but when I recorded a video with the camera it has horrible static throughout. Even recording a silent room.
The only other test I could do of the mic was the voice recorder which worked fine.
I really need to know what is up before I pay to sim unlock it and swap my sim for the right size.

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