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Review: sound quality of phone calls in HTC Touch Diamond
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msmobiles.com_robot



Joined: 23 Mar 2004
Posts: 16777215

PostPosted: Mon Jun 23, 2008 7:26 pm    Post subject: Review: sound quality of phone calls in HTC Touch Diamond Reply with quote

HTC Touch Diamond has a very good sound quality phone calls and here we are testing it and present to you recordings in MP3 files - both with and without headset! Don't believe what others say about sound quality o...

Read more at http://www.msmobiles.com/news.php/7444.html
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Critic



Joined: 30 Sep 2005
Posts: 28

PostPosted: Mon Jun 23, 2008 8:26 pm    Post subject: Yes, but... Reply with quote

When you make a call the backlight lock (and screen lock if you have it configured) comes on immediately so if you have to enter a DTMF tone at a voice prompt you have to figure out how to turn the backlight on without hanging up the call (end call button) starting a call waiting call (dial call button), exiting the phone application alltogether (back button), or going to the home screen (home screen button).

Touching the center of the action button then waiting for the backlight to come back on before selectingthe keypad and then entering the choice...

My voicemail has already given up by then.

The Kaiser tweak for disabling it doesn't work. The only thing that does is dialling or answering and using the phone completely horisontal. As soon as you put it vertical the motion sensor locks the screen.

I've disabled the HTC Sensor Service sensor using Task Manager by FdcSoft simply so I can get my voicemail.

HTC & Microsoft please listen: the iPhone is NOT a good phone to copy!!!!!
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Physboy



Joined: 04 Oct 2006
Posts: 202

PostPosted: Mon Jun 23, 2008 10:17 pm    Post subject: Reply with quote

Edward a better test would have been to call a landline so that the variable of another cell phone's technology and cell network are taken out of the equation.

In addition, Mickey's complaints were regarding the sound quality on the Edge network. So, to verify or dispute his claim you need to do the test using the methodology above, over an Edge network. Otherwise you are wrong for stating that other people are lying when they make their claims regarding Edge networks.

That being said, Mickey should also be straight on the fact that the antenna is on the top of the Diamond, not the bottom of it.
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adamz



Joined: 28 Oct 2005
Posts: 44

PostPosted: Mon Jun 23, 2008 11:30 pm    Post subject: Reply with quote

Who's Mickey, and why is he making phone calls over EDGE?

I've been making phone calls over GSM 1900 with the Touch Diamond, and the voice quality has been just as good as any other GSM phone. I've had no complaints from people on the other end either.
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gt2697



Joined: 23 Jun 2008
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PostPosted: Mon Jun 23, 2008 11:48 pm    Post subject: Reply with quote

For those that don't know me, this is Mickey, one of the guest hosts of msmobiles.com

First off, I agree that I may have been a bit hard on the sound quality of the device, but I can tell you that on more than one occasion, I have heard negative feedback from the quality of the call I have been on. Also, I am in the US, so EDGE is all I get here with the current version of this device.

That being said, Edward, how can you say this was "very good sound quality". While it is audible, that shouldn't be the only requirement. Listen to Chris in your test calls, that is how I think a good phone call sounds. Your test calls rank as "Poor sound quality" in my mind. We shouldn't have to put up with calls that sound like this!!!
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gt2697



Joined: 23 Jun 2008
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PostPosted: Tue Jun 24, 2008 12:08 am    Post subject: Reply with quote

Physboy wrote:

That being said, Mickey should also be straight on the fact that the antenna is on the top of the Diamond, not the bottom of it.


Yes, I saw this, thanks for clarifying.
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EJR



Joined: 18 Mar 2004
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PostPosted: Tue Jun 24, 2008 2:38 am    Post subject: Reply with quote

gt2697 wrote:

That being said, Edward, how can you say this was "very good sound quality". While it is audible, that shouldn't be the only requirement. Listen to Chris in your test calls, that is how I think a good phone call sounds. Your test calls rank as "Poor sound quality" in my mind. We shouldn't have to put up with calls that sound like this!!!


Voice of Chris is recorded in these files DIRECTLY i.e. not going through any network so it is not a phone call but local recording. You cannot seriously expect that phone call will sound as if it would not go through any line! Come on! In future phones will support codecs like http://en.wikipedia.org/wiki/Adaptive_Multi-Rate and then skype-like voice quality will be possible. But in meantime please let us not invent problem there where there are no problems!

Also: there are objective crteria of sound quality of phone calls but one has to have professional equipment to measure them. Some of my friends who work for mobile operators are using such equipment. Recording MP3 files and asking other side what he/she thinks - is the best measure although calling a fixed line indeed could be better way than calling other mobile phone. Anyway here in Europe all people are satisfied with sound quality of HTC Touch Diamond.
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raulr



Joined: 07 Dec 2004
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PostPosted: Tue Jun 24, 2008 3:36 am    Post subject: Reply with quote

I agree with the other poster, while the sound from those sample voice recordings is audible, it is definitely not high quality sound. Pretty poor in my opinion.
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gt2697



Joined: 23 Jun 2008
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PostPosted: Tue Jun 24, 2008 5:02 am    Post subject: Reply with quote

[quote="EJR"]
gt2697 wrote:

Anyway here in Europe all people are satisfied with sound quality of HTC Touch Diamond.


Edward, please, there is no way "all people" are going to be satisfied with the sound quality. Now it is YOU that are telling lies!!!

Very Happy
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chrisoldroyd



Joined: 18 May 2008
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PostPosted: Tue Jun 24, 2008 7:36 am    Post subject: Reply with quote

I can say one thing as I was on the other end of the call, the Diamond sounded fine to me, no worse than any other call I received that day, no the voice quality is not perfect by a long stretch but that is a restriction on the technology used by the networks rather than the phone. I will have my Diamond tomorrow and will test the voice quality out a lot more as I will be using this as my only device while I do the review, we all have to remember, the calls were recorded at my end via software on my phone so as Edward states my voice was recorded at source so was always going to sound clearer, but this was by no way a definitive test but an example.
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Physboy



Joined: 04 Oct 2006
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PostPosted: Tue Jun 24, 2008 11:17 am    Post subject: Reply with quote

Edward, how can you say that you do not think the bandwidth differences between the US and Europe have anything to do with the voice quality difference?

You are aware that the only bandwith from the Diamond that works in the US is the Edge bandwith? You should also know that as a fact the 3G voice quality is higher than the Edge voice quality as there is more data used for the voice stream for the previous bandwith.

That being the case it does not make sense that you hold the opinion that the bandwith difference does not have anything to do with it.

Chris, I emplore you to use the methodology I mentioned above. Also, it would be interesting to use the same methodology on a phone that Mickey thinks has good voice quality for comparison.
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Last edited by Physboy on Tue Jun 24, 2008 11:30 am; edited 2 times in total
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alcedes



Joined: 29 Sep 2007
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Location: Phoenix, Arizona, USA

PostPosted: Tue Jun 24, 2008 11:22 am    Post subject: Reply with quote

Physboy wrote:
Edward, how can you say that you do not think the bandwidth differences between the US and Europe have anything to do with the voice quality difference.


That's a good question. If 3G were disabled on the phone and the same test were run do you think those results would be good for an edge comparison?
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kupe



Joined: 18 Aug 2004
Posts: 513

PostPosted: Tue Jun 24, 2008 3:56 pm    Post subject: Reply with quote

No offense but the last 2 motorola phones I've used, over CDMA, sound significantly better than either one of those two MP3 recordings. Is that an artifact of GSM (vs CDMA) I'm hearing? Does HTC still have a ways to go to reach Motorola's level of sound quality? Confused
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adamz



Joined: 28 Oct 2005
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PostPosted: Tue Jun 24, 2008 10:01 pm    Post subject: Reply with quote

Why are people talking about EDGE as if it's used for voice phone calls?
EDGE = Enhanced Data for GSM Evolution
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Physboy



Joined: 04 Oct 2006
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PostPosted: Wed Jun 25, 2008 1:39 pm    Post subject: Reply with quote

adamz wrote:
Why are people talking about EDGE as if it's used for voice phone calls?


It is all data. The voice is digitized and sent via a data stream from point to point. GSM is a digital technology, and EDGE (analagous to GSM for voice) just beefs up the throughput of a GSM datastream. However, 3G technology, also digital, has a larger bandwith allowing for more data to be used for the voice component while still having enough data stream left over to allow a traditional data connection to occur simultaneously. The net result of these features is that you get better voice quality, faster internet speeds, and the ability to simultaneously browse the internet on a 3G network while on a voice call.

Since we are only able to use the EDGE/GPRS (analagous to GSM voice technology) technologies for the Diamond here in the US, we can only have voice coming through GSM rather than UMTS. Some carriers will only use GSM for voice and use UMTS for data seperately. In those cases there will be no difference in voice quality because in both scenarios the UMTS is not used for voice. However, there are carriers that use the UMTS for voice and data, and in these cases there will be a noticeable difference in voice quality due to the higher bit rate codecs for use in the UMTS technology.
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