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-   -   Custom SMS alert Cracking? (https://talk.maemo.org/showthread.php?t=48579)

humble 2010-03-29 00:44

Custom SMS alert Cracking?
 
Is there any solution to this issue. I notice when you preview the "song" theres no Cracking, but when set and one receives a message at the peaks the audio clips:(

I've notice this for a while and i even think i heard it mentioned before(im not sure) but im certain i've never read a solution.

if anyone knows of this problem or even a solution please feel free to share.

Edit: it happens to custom ringers too:(

my file types are MP3's

humble 2010-03-29 11:57

Re: Custom SMS alert Cracking?
 
Are you guys serious no one else has this problem:confused:

Blaizzen 2010-03-29 12:10

Re: Custom SMS alert Cracking?
 
Sorry, I didn't understand your question fully. Are you saying that when you set a message tone or a ring tone, the song only plays for a certain amount of time before being clipped (ie it stops the song or just loops again from the beginning)?

rariss 2010-03-29 12:12

Re: Custom SMS alert Cracking?
 
i believe there was a thread about this before, but it dealt with ringtone more so than sms tones.

i think the consensus was that you should convert it to aac on your computer first. something wrong with the way the phone handles mp3s as tones.

could be way off though.

humble 2010-03-29 12:13

Re: Custom SMS alert Cracking?
 
im thanking you for your reply:)

any who.. audio cliping is the term for cracking at the peaks of the audio(Sound not clear)

did i explain myself better?

humble 2010-03-29 12:14

Re: Custom SMS alert Cracking?
 
Quote:

Originally Posted by rariss (Post 586570)
i believe there was a thread about this before, but it dealt with ringtone more so than sms tones.

i think the consensus was that you should convert it to aac on your computer first. something wrong with the way the phone handles mp3s as tones.

could be way off though.

will try that thanks:)

Blaizzen 2010-03-29 12:16

Re: Custom SMS alert Cracking?
 
Can you upload the songs you are having trouble with if the above post doesn't work? Maybe the one with the most cracking (provided its not copyrighted or something), or even a youtube link :)

rariss 2010-03-29 12:18

Re: Custom SMS alert Cracking?
 
Quote:

Originally Posted by humble (Post 586575)
will try that thanks:)

no probs
post your results (good or bad) so others can benefit :D

joppu 2010-03-29 12:21

Re: Custom SMS alert Cracking?
 
This is a reported bug, it's due to the fact that the ringtone you select gets converted into a mono wave file and that can cause cracking effect,

humble 2010-03-29 12:24

Re: Custom SMS alert Cracking?
 
Quote:

Originally Posted by Blaizzen (Post 586581)
Can you upload the songs you are having trouble with? Maybe the one with the most cracking (provided its not copyrighted or something), or even a youtube link if the above post doesn't work :)

the file is too big.. but it happens with all custom alerts... when picking alert go to "MORE" and navigate to your MP3's and test you will only hear the cliping when u recive and actual sms(any alert)

Edit: right now im going to convert to acc i will post findings

ps: thanks all

Blaizzen 2010-03-29 12:30

Re: Custom SMS alert Cracking?
 
Quote:

Originally Posted by joppu (Post 586592)
This is a reported bug, it's due to the fact that the ringtone you select gets converted into a mono wave file and that can cause cracking effect,

The mentioned bug :) https://bugs.maemo.org/show_bug.cgi?id=6784

I suppose one method of getting around it is even following comment 31 and making a wav file yourself if aac audio doesn't work as rariss suggested.

humble 2010-03-29 12:43

Re: Custom SMS alert Cracking?
 
Rariss converting the files to .acc brings the same isuee:(

and i can see why someone came to that conclusion.. its because the default ringtones are that format(.acc or ADTS Audio)
but they are considerately smaller files.

well im off on my way to work so i will tinker with fixing this issue when i get home if anyone finds a solution please feel free to enlighten.. thanks

[QUOTEComment #31 from Andrea Musci 2010-01-27 13:00:57 GMT+3 [reply]
I confirm that crackling sound is due to poor internal convertion quality from
mp3 to wav.
I replaced the automatically generated wav file with another 2 ch, 44100 Hz,
1411 kbit/s, 16 bit wav file and it was reproduced correctly with no crackling.][/QUOTE]

seem like to be the only solutions for now
thanks again everyone

dscobsct 2010-03-29 12:49

Re: Custom SMS alert Cracking?
 
i also have this problem, it only seems to happen with mp3

rariss 2010-03-29 12:50

Re: Custom SMS alert Cracking?
 
ah well,
well then the only other options i can think of would be to
-try Blaizzen's suggestion of converting the file to .wav yourself since this is the way the phone handles ringtones at the moment
-lower the bitrate of the mp3 or aac? (but this is a shot in the dark)


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