Audio recording quality - it sucks

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Audio recording quality - it sucks, Anyone found a method to record better quality sound?

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88Saleen351

Jan 27 2008, 20:59

Post #1

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Group: Posters
Posts: 24
Joined: 14th January 2008
Member No.: 344,421

Device(s): Motorola Q9

That's right.I'm sure many of you out there disgust the sound quality in your video recordings or sound recorder.I have been through the registry.I even tried Resco audio recorder.Even using Resco,it seems that the sound from the mic goes through some AD converter before it even gets to Resco.That is meaning,when you record a file in Resco at say...32khz...the resulting sound quality in the playback file still sounds like 8khz but artificially up-sampled to 32khz.In other words...it still sounds like sh*@! I also tried using the Motorola H700 BT hands free headset to record through....still get the same result.I'm thinking the sound input has to be linked to "msacm.msg711" in the registry.If anyone knows a way around this or some kind of improvement,I would most certainly like to hear about it.Improper text formatting due to me using Pie.

88Saleen351

Feb 16 2008, 22:44

Post #2

Newbie

Group: Posters
Posts: 24
Joined: 14th January 2008
Member No.: 344,421

Device(s): Motorola Q9

Ok...Just tried VITO Audio Notes.The program runs fine just as Resco does.But,I get the same results.I'll record a sound using uncompressed PCM method.Regardless of what sample rate I use to record with...whether it be 22khz , 44khz etc.The files get larger but playing them back still sounds like 8khz setting.With noticeable high frequency tinniness which is typically the result of artificial upampling.In case you dont understand what atificial upsampling is...it's when you take an audio sample recorded at...say 11khz and convert the sound to a higher sample rate such as 22khz.Doing this does not make the original recording sound any better.And will also have high frequency tinniness .There's a host of recording apps available.But having a program that records at better quality sample rates makes no sence if the resulting file still sounds like the original low-qual compressed 8khz files.Any help or suggestions are much appreciated.I've googled this subject in many forms but nothing points direct to motorola Q recording quality.

This post has been edited by 88Saleen351: Feb 16 2008, 22:48

88Saleen351

Jul 1 2008, 14:10

Post #3

Newbie

Group: Posters
Posts: 24
Joined: 14th January 2008
Member No.: 344,421

Device(s): Motorola Q9

Update - I'm going to take a wild guess that this issue is not resolvable.The Moto Q series phones are notoriously bad for this and it appears it's a hardware issue.The only files linked to audio compression in the registry are GSM610 and MSG711 which are both codecs for cellular voice calls.Registry keys of any relevence HKLM/AudioCompressionManager/DriverCache/msacm.msg711 - Keys : aFormatTagCache = Hex data - : cFilterTags = DWORD = 0 - : cFormatTags = DWORD = 3 - : fdwSupport = DWORD = 1 ..Those values don't control bitrate or quality.And is most likely preset in msg711.dll ..Of course if any one comes across any key values or settings related to audio codecs or other info on recording quality,dll hacks etc,3rd part programs etc ,please do post about them.Otherwise,I'm just going to see what I can find on the market as far as a new PPC goes , when the time comes.

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