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Author Topic: The Slaying of Trayvon Martin in Florida #3 7/12/12 - 6/14/13  (Read 257075 times)
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Amys Sister
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« Reply #880 on: June 07, 2013, 06:35:30 PM »

If another expert can corrborate what this voice expert is saying then the audio should be played for the jury and expert analysis given.  If it is Trayvon's voice then he deserves for his last and final screams to be heard.

http://usnews.nbcnews.com/_news/2012/04/01/10963191-trayvon-martin-case-911-call-screams-not-george-zimmermans-2-experts-say?lite



I fear there could be a whole line of "experts" and some will say it's Trayvon and some won't.  Do we stop with one other expert or do we keep going?  It doesn't appear to me to be an exacting science at this time.  And if it isn't Trayvon screaming, then that's a real game changer.  George Zimmerman also deserves justice in the sense he should have a fair trial.  JMHO

That's true of virtually all issues brought up in trials... differing expert opinion.  The defense and prosecution bring in their own experts then the jury decides who's testimony is more reliable.

If the FBI is using this technology and other experts can corroborate its' value and reliability then IMO it should be allowed.
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« Reply #881 on: June 07, 2013, 06:56:53 PM »

If another expert can corrborate what this voice expert is saying then the audio should be played for the jury and expert analysis given.  If it is Trayvon's voice then he deserves for his last and final screams to be heard.

http://usnews.nbcnews.com/_news/2012/04/01/10963191-trayvon-martin-case-911-call-screams-not-george-zimmermans-2-experts-say?lite



I fear there could be a whole line of "experts" and some will say it's Trayvon and some won't.  Do we stop with one other expert or do we keep going?  It doesn't appear to me to be an exacting science at this time.  And if it isn't Trayvon screaming, then that's a real game changer.  George Zimmerman also deserves justice in the sense he should have a fair trial.  JMHO

That's true of virtually all issues brought up in trials... differing expert opinion.  The defense and prosecution bring in their own experts then the jury decides who's testimony is more reliable.

If the FBI is using this technology and other experts can corroborate its' value and reliability then IMO it should be allowed.


If you read back in the tweets from today, the FBI uses this technology, but it also has a different set of standards then the one expert was using. A little snip here, a bend there.  Does that change the outcome? 


May 7, 2013 Updates cont

http://www.hlntv.com/article/2013/06/07/live-blog-attorneys-vie-advantage-zimmerman-trial?hpt=ts1

3:51 p.m. ET: Reich said the 911 call in Zimmerman's case provided enough audio to provide an analysis.

3:47 p.m. ET: Reich is having trouble hearing West, and he has asked West to repeat himself mutliple times.

3:43 p.m. ET: Reich said he has specific ways he conducts his analysis, and he says it difficult to establish a specific standards that would work for every case.

Reich also said he has no set standards when making speaker identification analysis.  He says he does not require  a minimum set of words or minimum duration of speech to reach a conclusion.

By comparison, the FBI requires 20 words and at least 16 seconds of speech

 


Friday, May 7, 2013 Updates cont

http://www.hlntv.com/article/2013/06/07/live-blog-attorneys-vie-advantage-zimmerman-trial?hpt=ts1

3:40 p.m. ET: West asked Reich subjectively decides if a voice sample is valid or high enough quality for analysis.

3:36 p.m. ET: West wants to know if Reich follows any standards regarding the minimum length a voice sample can be for him to conduct a valid analysis. Reich seems to indicate that he does not follow a standard regarding the minimum length of a voice sample.

3:34 p.m. ET: Reich said the FBI's standard for a valid voice sample that can be examined should have 20 words.

3:31 p.m. ET: Judge Nelson is back on the bench. Reich is on the phone, and defense attorney is continuing his cross-examination.

3:11 p.m. ET: Court is taking a 10 minute recess.
 



May 7, 2013  Updates cont

http://www.hlntv.com/article/2013/06/07/live-blog-attorneys-vie-advantage-zimmerman-trial?hpt=ts1

4:33 p.m. ET: West is asked Nelson if he considered the fact that Zimmerman may have been punched in the face the night of the shooting, and it may have changed his speech or the nasal quality of his voice. Reich said he couldn't detect any nasality of the recording of the 911 call.

4:30 p.m. ET: After the prosecutor objected, judge Nelson reminded the defense again that the purpose of the hearing is to determine if the technology is new and novel in the field not about the opinion of the analysis.

4:26 p.m. ET: Reich said he will finish the transcript of the 911 call in this case in about a week.

4:24 p.m. ET: West is asking Reich how he bills his clients. He said he bills by the hour.

4:21 p.m. ET: Reich said he recieved about $2,000 working for the Washington Post analyze the 911 calls, and eventually someone from the state attorneys office contacted him.
 


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Amys Sister
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« Reply #882 on: June 07, 2013, 07:26:23 PM »

Quote
If you read back in the tweets from today, the FBI uses this technology, but it also has a different set of standards then the one expert was using. A little snip here, a bend there.  Does that change the outcome? 

I understand what you are saying but do we have enough of a picture based on today's questioning?  That's why I suggest a second expert opinion, perhaps an FBI expert.  We know how attornies can question and cross in such a way as to misportray what the witness is saying.  This witness has said in his professional opinion he has enough to conclude in all probability it is Trayvon screaming.  I would not mind hearing what another one or two witnesses in the field have to say.  It's vital to the case as those voices are from the direct incident that occurred during the shooting.
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« Reply #883 on: June 07, 2013, 07:32:28 PM »

Quote
If you read back in the tweets from today, the FBI uses this technology, but it also has a different set of standards then the one expert was using. A little snip here, a bend there.  Does that change the outcome? 

I understand what you are saying but do we have enough of a picture based on today's questioning?  That's why I suggest a second expert opinion, perhaps an FBI expert.  We know how attornies can question and cross in such a way as to misportray what the witness is saying.  This witness has said in his professional opinion he has enough to conclude in all probability it is Trayvon screaming.  I would not mind hearing what another one or two witnesses in the field have to say.  It's vital to the case as those voices are from the direct incident that occurred during the shooting.

Thursday, May 6, 2013

http://www.hlntv.com/article/2013/06/05/zimmerman-hearing-prosecutor-violation-live-blog

 
4:12 p.m. ET: The defense is trying to play the audio recording of the 911 call.

4:09 p.m. ET: West is now asking Nakasone about the analysis his office conducted in Zimmerman's case. He is now going to play the recording that is at the center of this hearing.

4:05 p.m. ET: West is asking about some of the guidelines Nakasona believes need to be followed to have a valid recording to determine have an accurate identification. Nakasone said the voice sample being analyzed needs to be 16 seconds long.

4:01 p.m. ET: Nakasone said voice identification should only be used for an investigative tool now, and in a couple years it may be able to be used in courts.

3:51 p.m. ET: Nakasone is explaining how speech recognition technology used in phone systems differ from voice identification technology.

3:47 p.m. ET: West is having Nakasone walk throught the history of different methods of voice recognition.

3:42 p.m. ET: Nakasone is talking about how the other methods of voice recognition works.

3:35 p.m. ET: Nakasona is talking about how voice analysis technology identifies voices, and how it discerns voices from background noise.

3:30 p.m. ET: West is asking if there's different technologies used by the scientific community to conduct voice analysis. Nakasone said there's several different technologies used for voice identification.

3:26 p.m. ET: West is asking Nakasone about the process of conducting forensic voice analysis identification for the FBI.

3:22 p.m. ET: Nakasone said he is involved with forensic voice analysis identification for the FBI.

3:20 p.m. ET: West is now asking Nakasone about his work at the FBI. He is a senior level scientist to the FBI.

3:17 p.m. ET: Nakasone is talking about the development about the voice analysis technology, and how it has become more reliable over time with new technologies.

3:13 p.m. ET: West is asking Nakasone about the group coming up with the guidelines for using this technology.

3:09 p.m. ET: Nakasone said scientists in the field generally accept voice recognition technology as being reasonably reliable. However, he says there needs to be established guidelines or standards for this technology to be used in a courtroom. Nakasone is working with a group of scientists to make those guidelines.

3:06 p.m. ET: Nakasone is walking through his education, work experience and what publications have published his articles.

3:03 p.m. ET: Doctor Hirotaka Nakasone, an audio engineer for the FBI, is answering questions from defense attorney Don West.


 



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« Reply #884 on: June 07, 2013, 07:33:50 PM »

Thursday, May 6, 2013

http://www.hlntv.com/article/2013/06/05/zimmerman-hearing-prosecutor-violation-live-blog

HLN is live-blogging Zimmerman's hearing Thursday. Click here to read HLN's live blog of the last Zimmerman hearing. Read below for minute-by-minute updates:

4:47 p.m. ET: Mantei said someone may have a different opinion about the capabilities of the voice identification technology. Nakasone agreed with Mantei saying he had a problem with the opinion, but not the technology. Judge Nelson has recessed court until Friday at 9:00 a.m. ET.

4:42 p.m. ET: Nakasone does not believe any technology available today that could reliably identify the screams on the 911 call. He called it "disturbing" to think some thinks it is possible to identify those screams. He said it would be a breakthrough in the field.

4:39 p.m. ET: Nakasone is explaining how someone can train their ear to identify voices.

4:36 p.m. ET: Mantei has finished his questions for Nakasone, and now West is asking him follow up questions.

4:34 p.m. ET: Nakasone is explaining how voice identification technology can compare voices and eliminate voices during the analysis.

4:29 p.m. ET: Mantei is asking Nakasone about how the scientific group he works with is trying to come up with standard guidelines for using voice identification technology.

4:25 p.m. ET: West has completed his questions for Nakasone, and now prosecutor Rich Mantei is asking him questions now.

4:22 p.m. ET: "A screaming voice is too far for us to address," said Nakasone. "It might mislead in the worst case."

Nakasone said he was only able to determine that the person screaming in the background of the 911 call "was under tremendous duress, " that "the screaming was not normal human speech"and that the person was "someone facing imminent death."

4:19 p.m. ET: Nakasone said the screaming on the recording is almost impossible to analyze, because the voice changes dramatically under stress.


4:16 p.m. ET: On the recording, the caller can be heard calling 911 reporting an altercation. Someone can be heard in the background. Zimmerman looked down at his chest as the audio was being played.



 

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« Reply #885 on: June 07, 2013, 07:41:11 PM »

Quote
If you read back in the tweets from today, the FBI uses this technology, but it also has a different set of standards then the one expert was using. A little snip here, a bend there.  Does that change the outcome? 

I understand what you are saying but do we have enough of a picture based on today's questioning?  That's why I suggest a second expert opinion, perhaps an FBI expert.  We know how attornies can question and cross in such a way as to misportray what the witness is saying.  This witness has said in his professional opinion he has enough to conclude in all probability it is Trayvon screaming.  I would not mind hearing what another one or two witnesses in the field have to say.  It's vital to the case as those voices are from the direct incident that occurred during the shooting.

Maybe you missed it, but an FBI expert did give his opinion yesterday.
An expert from the FBI has already testified:

Thursday, May 6, 2013
http://www.hlntv.com/article/2013/06/05/zimmerman-hearing-prosecutor-violation-live-blog
<snip>
3:03 p.m. ET: Doctor Hirotaka Nakasone, an audio engineer for the FBI, is answering questions from defense attorney Don West.
<snip>


Thursday, May 6, 2013
http://www.hlntv.com/article/2013/06/05/zimmerman-hearing-prosecutor-violation-live-blog
<snip>
4:42 p.m. ET: Nakasone does not believe any technology available today that could reliably identify the screams on the 911 call. He called it "disturbing" to think some thinks it is possible to identify those screams. He said it would be a breakthrough in the field.

<snip>
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« Reply #886 on: June 07, 2013, 09:25:25 PM »

Two-page article

http://abcnews.go.com/US/george-zimmerman-screaming-experts-testify-today/story?id=19345658#.UbKCM74o7IU

George Zimmerman Not Screaming for Help, Two Experts Testify Today
June 7, 2013

Two forensic experts testified today that they believe the voice of someone screaming for help moments before Florida teenager Trayvon Martin was shot dead belong to Martin and not to George Zimmerman, the man accused of murder in Martin's death.

But the legal arguments over the tapes will continue into the weekend as prosecutors and defense lawyers wrangle over the testimony of experts who disagree over who is screaming and whether the technology exists to identify the voice.

Judge Debra Nelson is being asked to rule on whether the tapes can be admitted as evidence in the murder trial that is scheduled to begin Monday with jury selection.

The screams were heard in the background of 911 tapes as people called in during the lethal confrontation between Zimmerman and Martin.

Lawyers for Zimmerman claim the voice belongs to their client while prosecutors insist it is Martin's last words before he was fatally shot on Feb. 26, 2012. Determining who was that voice could make or break Zimmerman's assertion that he shot Martin in self defense.

During the pretrial hearing forensic experts disagreed over who is doing the screaming on the tape and an FBI expert testified earlier this week that it is impossible to determine which man was yelling for help.
 
ABC News has exclusively obtained a sample of Martin's voice and sent the short sample, gathered as evidence from Martin's cell phone, to a forensic analyst. Kent Gibson of Forensic Audio tells ABC News that a comparison of Martin's voice, Zimmerman's voice and the screams on the 911 tape, indicate the voice is more likely to be Zimmerman than Martin by a significant margin.

However, he adds, so much of the howling and pleading overheard on that 911 tape is muffled or obscured, that only two seconds of the tape are useable. Therefore, he says, that there can be no definitive identification of "the screamer."


The FBI's leading forensic audio expert said much the same in his testimony Thursday. Dr. Horotaka Nakasone called it "disturbing" that someone would be able to make a positive voice identification based on the screams.
 
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Amys Sister
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« Reply #887 on: June 07, 2013, 10:43:20 PM »

Thank you Muffy.  I did miss that.
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« Reply #888 on: June 08, 2013, 09:17:45 AM »

Thank you Muffy.  I did miss that.


You're welcome Amys Sister.  I really wish we could have a definitive answer on the audio.  Maybe sometime in the future when the technology is better developed we'll know. 
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« Reply #889 on: June 08, 2013, 09:36:28 AM »

http://www.huffingtonpost.com/2013/06/07/trayvon-martin-voice-audio-abc_n_3403994.html

Trayvon Martin Voice Recording Obtained Exclusively By ABC Reveals What Teen Sounded Like (VIDEO)

The Huffington Post  |  By Danielle Cadet   Posted: 06/07/2013 4:16 pm EDT  |  Updated: 06/07/2013 4:16 pm EDT

With the Trayvon Martin trial set to begin on Monday, one question remains on the country's mind and simultaneously presents a monumental challenge to both the prosecution and the defense: whose voice is screaming for help on the 911 call?

Since the chilling 911 calls were released to the public last year, a number of experts have debated whether or not the screams are coming from the 17-year-old Martin or his alleged killer, George Zimmerman, making it an integral piece of evidence in the trial.

Now, ABC News has exclusively obtained audio that both the defense and prosecution possess, featuring Martin's voice, which could be the key to answering the longstanding question of who was, in fact, begging for help the night of the fatal confrontation.

During the final hearing before the trial begins, Judge Debra Nelson heard testimony about whether or not a voice recognition expert will be allowed to testify. While testifying for the defense, FBI voice expert Hirotaka Nakasone said there wasn't enough clear sound on the 911 recording to determine whose voice it was.

Audio expert Alan Reich, who has spoken on behalf of the state, has said he heard Trayvon Martin saying, "I'm begging you," after analyzing the recording. Another expert, Tom Owen, who testified for the prosecution Friday said he did not believe the screams were Zimmerman's.

"It is much easier to eliminate someone than identify someone," said Owen. "The screams don't match at all with Zimmerman's samples."

 
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« Reply #890 on: June 08, 2013, 09:38:39 AM »

Hi Monks! 
I have wondered.... why would GZ scream for help if he had a gun??? Common sense says it more than likely was not him..
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« Reply #891 on: June 08, 2013, 09:59:16 AM »

Live streaming 6/8/13

http://wildabouttrial.com/george-zimmerman-live-stream.html
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« Reply #892 on: June 08, 2013, 10:36:47 AM »

Hi Monks! 
I have wondered.... why would GZ scream for help if he had a gun??? Common sense says it more than likely was not him..

I see your point.  However, when you have two people on the ground struggling, it could be a game changer.  GZ may not have thought TM was dangerous at the start, only suspicious, because you'll notice he didn't pull his gun out in the beginning. He didn't pull a gun out and tell TM to wait or halt.   He called the police.  The gun was fired when both men were on the ground struggling in the dark from what I've been able to figure out. GZ may not have been able to get at his gun at first.  He may not have initially intended to use it in that situation, but went for it when he was being hurt.   But who knows.  With the trial there may be a lot more revealed.  I think so many times we see movies and videos and in real life, it just doesn't work like that.  And sometimes when we think common sense would prevail, it just doesn't.     JMHO
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« Reply #893 on: June 08, 2013, 11:31:29 AM »

Hi Monks! 
I have wondered.... why would GZ scream for help if he had a gun??? Common sense says it more than likely was not him..

I see your point.  However, when you have two people on the ground struggling, it could be a game changer.  GZ may not have thought TM was dangerous at the start, only suspicious, because you'll notice he didn't pull his gun out in the beginning. He didn't pull a gun out and tell TM to wait or halt.   He called the police.  The gun was fired when both men were on the ground struggling in the dark from what I've been able to figure out. GZ may not have been able to get at his gun at first.  He may not have initially intended to use it in that situation, but went for it when he was being hurt.   But who knows.  With the trial there may be a lot more revealed.  I think so many times we see movies and videos and in real life, it just doesn't work like that.  And sometimes when we think common sense would prevail, it just doesn't.     JMHO

We would have to assume Trayvon attacked Zimmerman for no reason and that does not make sense and is unfair to Trayvon to assume this.  IMO, George revealed his weapon to Trayvon who then became extremely fearful and went into fight or flight mode.  He held Zimmerman down in an effort to not get shot and was screaming for help so Zimmerman wouldn't pull his weapon.

JMO and I agree that hopefully we will learn more in the trial.

I do not for one second believe that Trayvon attacked George for no reason even though that's what Zimmerman, his family, and his attorney wants everyone to believe.
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« Reply #894 on: June 08, 2013, 01:04:50 PM »

Amys sister, Just go to a site called WorldStarHipHop, You will see a slew of attacks that make no sense.
 http://www.youtube.com/watch?v=CKnTfVsrO6k
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« Reply #895 on: June 08, 2013, 01:05:04 PM »

There was also something else I wanted to comment on and that was on GZ's weight gain. Strictly from a behavioral point of view I wonder what is going on with him.. 100 lbs in a year is extreme. I cannot help to wonder if it is partially stress and maybe to alter his physical appearance in prepartion for trial. It would make him more of the Pillsbury Dough boy than a formidible opponent supporting his self defense claim. We know what people are capable of and then some... food for thought
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« Reply #896 on: June 08, 2013, 01:07:17 PM »

Hi Monks! 
I have wondered.... why would GZ scream for help if he had a gun??? Common sense says it more than likely was not him..

I see your point.  However, when you have two people on the ground struggling, it could be a game changer.  GZ may not have thought TM was dangerous at the start, only suspicious, because you'll notice he didn't pull his gun out in the beginning. He didn't pull a gun out and tell TM to wait or halt.   He called the police.  The gun was fired when both men were on the ground struggling in the dark from what I've been able to figure out. GZ may not have been able to get at his gun at first.  He may not have initially intended to use it in that situation, but went for it when he was being hurt.   But who knows.  With the trial there may be a lot more revealed.  I think so many times we see movies and videos and in real life, it just doesn't work like that.  And sometimes when we think common sense would prevail, it just doesn't.     JMHO

We would have to assume Trayvon attacked Zimmerman for no reason and that does not make sense and is unfair to Trayvon to assume this.  IMO, George revealed his weapon to Trayvon who then became extremely fearful and went into fight or flight mode.  He held Zimmerman down in an effort to not get shot and was screaming for help so Zimmerman wouldn't pull his weapon.

JMO and I agree that hopefully we will learn more in the trial.

I do not for one second believe that Trayvon attacked George for no reason even though that's what Zimmerman, his family, and his attorney wants everyone to believe.

No, we wouldn't have to assume TM attacked ZM for no reason.  It could be ZM spoke to TM and he took offense.  It could have escalated from there.  I don't know and I don't know how anyone else except TM & JM know what happened that night.  Until there can be more facts and  evidence provided we won't know.  JMHO



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« Reply #897 on: June 08, 2013, 01:47:49 PM »

Amys sister, Just go to a site called WorldStarHipHop, You will see a slew of attacks that make no sense.
 http://www.youtube.com/watch?v=CKnTfVsrO6k

Sorry Alagary, the problem with sites like that are the inflammatory nature and the fact that they give only a small window into the lives of our collective so I won't visit it.

I lived in a ghetto right outside Baltimore in the seventies and early eighties.  As a white girl I was the minority.  I know the violence that occurs but it is the FEW who were violent and lacked a moral code making the many appear to be so.   

I can tell you about many kindnesses I experienced in a setting that most find fearful.  I can tell you about situations I would not want my children to experience but always a good soul came to my aid or I was able to 'talk' my way out of it.  Having lived it I would not want to go back to a ghetto setting however I learned respect and wisdom through that experience.  I also learned that good people come in all colors, shapes, and conditions.

It's a complicated issue.  Goes to the heart of historical events that are still manifesting today and we all too easily point fingers that this or that person 'must' be guilty of whatever deed we see them as capable of doing.  Every race does it and I believe George Zimmerman did it.  I believe a man who has lied repeatedly and to a judge is likely misportraying what happened that night because he is a liar and has every reason to continue to do so.

I'm still going to try and be openminded.  Zimmerman absolutely deserves a fair trial.  If the evidence does not prove his guilt to the minds of the jurors and the word of the law then he should be found not guilty.
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WWW
« Reply #898 on: June 08, 2013, 01:50:29 PM »

For Twitterers.  Constant updates from Kathi Belich

https://twitter.com/KBelichWFTV

 Kathi Belich, WFTV ‏@KBelichWFTV 3m

The state is about to start cross-examining defense expert Dr. Doddington very soon. #Zimmermanon9
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Kathi Belich, WFTV Kathi Belich, WFTV ‏@KBelichWFTV 36m

We're on a lunch break until 1:45. Judge tells Doddington not to talk to anyone about his testimony. #Zimmermanon9
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Kathi Belich, WFTV Kathi Belich, WFTV ‏@KBelichWFTV 39m

Dr. Doddington also testified that altering the pitch of George Zimmerman's voice as defense experts did was "ridiculous". #Zimmermanon9
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Kathi Belich, WFTV Kathi Belich, WFTV ‏@KBelichWFTV 39m

"You can ask questions, I can not answer them," says Doddington on his NSA work. #Zimmermanon9
Expand
Kathi Belich, WFTV Kathi Belich, WFTV ‏@KBelichWFTV 57m

Of common sense. 2/2. #Zimmermanon9
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Kathi Belich, WFTV Kathi Belich, WFTV ‏@KBelichWFTV 57m

Dr. Doddington called looping the same audio to lengthen the sample as the defense expert did "ridiculous" and violation 1/2 #Zimmermanon9
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Kathi Belich, WFTV Kathi Belich, WFTV ‏@KBelichWFTV 1h

Correction--- it's Dr. Doddington not Dottington. Thank you to our social media director!!!! #Zimmermanon9
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Kathi Belich, WFTV Kathi Belich, WFTV ‏@KBelichWFTV 1h

Dr. Dottington says it's ridiculous to claim you can identify the speaker when the speaker is screaming. #Zimmermanon9
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Kathi Belich, WFTV Kathi Belich, WFTV ‏@KBelichWFTV 1h

Dr. Dottington said the error rate goes from 5% to 15% when identifying 1-1/2 minutes of phone speech dropped to 10 seconds. #Zimmermanon9
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Kathi Belich, WFTV Kathi Belich, WFTV ‏@KBelichWFTV 1h

Federal agency that regulates it- NIST or the National Institute of Standards and Technology. #Zimmermanon9
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Kathi Belich, WFTV Kathi Belich, WFTV ‏@KBelichWFTV 1h

Dr. Dottington says he helps create the standards for evaluating speaker recognition technology and methods for the 1/2 #Zimmermanon9
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« Reply #899 on: June 08, 2013, 02:08:55 PM »

Saturday, May 8, 2013  Updates

Audio experts testify in Zimmerman hearing
updated 1:58 PM EDT, Sat June 08, 2013

 
10:56 a.m. ET: Judge Nelson has called a 15-minute recess to allow time to prepare for the next witness.

10:54 a.m. ET: Mantei has finished his questioning. Don West is now asking Dr. French questions again. He asked when does voice change between puberty and adulthood occurs in men. Dr. French says that it happens between 15 and 17 years of age, which affects the quality of the timbre and pitch.

10:54 a.m. ET: Mantei is asking if it's true that none of the processes should be able to draw any conclusions whatsoever about the 911 call. Dr. French confirmed that is correct.

10:49 a.m. ET: Dr. French is explaining that speech analysis software is not designed to properly measure screaming and that he had to recalculate the 911 call in order to improve the data he was able to pull from it.

10: 42 a.m. ET: Assistant State Attorney Richard Mantei is now questioning Dr. French.

10:39 a.m. ET: West has asked for a recess. Judge Nelson says that West should finish his line of questioning and then they will take a short recess.

10:35 a.m. ET: The defense requested an objection, saying that West's line of questioning is beyond the witness' stated expertise. Judge Nelson overuled the objection.

10:30 a.m. ET: Dr. French says there is no accepted method in the scientific community to identify a speaker's age from a recording of screaming.

10: 26 a.m. ET: West is asking Dr. French about his opinion on Dr. Alan Reich's analysis, which was reviewed during court yesterday. Dr. French says he found Reich's findings disturbing, saying that would not be accepted in the wider scientific community.

10:24 a.m. ET: West is asking Dr. French if he is familiar with the aural spectograph approach. Dr. French is explaining that he is not entirely sure what that is.

10:20 a.m. ET: West is asking if a recording could be analyzed despite poor quality, and if anything useful could be gotten out of it despite that. Dr. French says it can be analyzed, but that the results are not reliable.

10:15 a.m. ET: Dr. French says that the Zimmerman call is not remotely suitable for speaker comparison purposes.

10:10 a.m. ET: Dr. French is now addressing the Zimmerman 911 call, and says that regardless of how long it may be, that the fact that it is shouting may mean it will be very difficult to draw the right information from.

10:07 a.m. ET: Dr. French is explaining the details of how filler words such as "like" and "sort of" can affect the speech analysis process.

9:53 a.m. ET: West is asking about how shouting can affect how a recording can be analyzed. Dr. French says that it can change the quality of a recording significantly, and often make it unsuitable for analysis.

9:51 a.m. ET: Dr. French is explaining that in order to get the information required from a recording, the quality of the recording is the most essential quality, rather than the duration.

9:47 a.m. ET: West is asking Dr. French some questions about his work in voice comparison. Dr. French is explaining the detailed process of how voice analysis works.

9:42 a.m. ET: Defense attorney Don West is questioning Dr. French. French is going through his educational background and work experience.

9:37 a.m. ET: Dr. Peter French is on the stand via teleconference from the United Kingdom. He has been working in forensics since 1981 and specifically focuses on analyzing recordings. 70-80 percent of his forensic work is done at the request of prosecutors.

9:24 a.m. ET: The hearing should begin shortly
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