envelope delay
No idea how audio forensics work
According to the expert (which you are not), at that quality of audio, a match should be around the 90%... whether that voice is Martins is irrelevant. It's certainly not Zimmerman's...
envelope delay
No idea how audio forensics work
It's useless without comparing it with Martin's voice too. Flat out useless. It creates undue bias if it's allowed in court. The fact it is now in the public can bias a jury, as I'll bet it will not be allowed in court if this moves forward.
It is a measure of the transmitting and receiving equipment and affects the signal. It will change how the DSP's interpret the signal if it's not accounted for.envelope delay
No idea how audio forensics work
I say he's full of with the 90%.
How many points do you lose for scream vs. voice?
How many points do you lose over untested systems?
How many points do you lose for normal vs. panic?
Why? And it can be compared with Martins if needed. He just didn't have a sample of Martin's voice.
BTW, this is the guy doing the independent test:
Mr. Owen has diligently and comprehensively examined the areas of Forensic Audio, Video, and Voice Identification in great detail since 1981. There are over seventy-five publications, presentations, and recordings available from the Audio Engineering Society, The American College of Forensic Examiners and others.
Mr. Owen has appeared as a Consultant to ABC Nightline, NBC, CBS, CNN, MSNBC, FOX 5 NY, NPR Radio, NOVA, Taipei, Chinese Television, Dateline, 60 Minutes, Law & Order, Forensic Files, CSI, CSI Miami, Lie to Me, Access Hollywood, 48 Hours, 20/20 and other Networks and Television Programs.
This isn't a parts changer from his basement...
What's your experience with audio forensics?
No Sherlock. I read that.
What now, that he has his 15 minutes of fame?
Trust me on this one.
Sportcamper KNOWS audio.
Like...professionally.
What DSP would this be?
Like sound systems? Fine. But he obviously doesn't know the fidelity limitations of telephone systems.
DSP = Digital Signal Processor.What DSP would this be?
It's a special type of CPU.
More power, and normal computers can do such things, but in this case, the software has to account for variations.
No baselining of the equipment = bad results.
Apparently he already has his fame... what do you think he gets out of this?
Oh, you still haven't told me what's the name of your audio forensics software...
Are you insane? You keep asking the same stupid question as if you expect an answer.
I gave you my reasons, now stop being so "Chumpish."
DSPs haven't been used in telecom in ages. It's all digital VOIP end-to-end now...
The phone itself does the ADC/compression, and the server side does the decompress/DAC...
You're talking 1980/1990's tech (Dialogic, AT&T, etc)... it's gone now...
So you don't know about audio forensics, but we should take your word over an actual forensic expert because?
Oh, and you pulled the "I worked in this field" card. I expect to see your credentials in the field...
I wonder how Steven Tyler's talking voice over one cell phone would sound compare to him screaming "Dream On" over another telephonic type of equipment through that software.
Isn't his talking voice too low to scream that high?
Telephonic communications is the field I worked. Not the forensics. that should be obvious.
Do you always ask and state the obvious?
Spend the $5K and find out. As it is, the only thing we know is that you don't know about modern communications in general and audio forensics specifically...
Look WC, It's not my right to tell you what SC does for a living but you are making some very wrong assumptions about him. The dude probably knows as much or more than the so called expert in this case.
When? Because I suspect you've not kept up for the past 20 or so years...
DSP type processor chips have never been used in my experience. WTF are you talking about?
DSPs haven't been used in telecom in ages. It's all digital VOIP end-to-end now...
The phone itself does the ADC/compression, and the server side does the decompress/DAC...
You're talking 1980/1990's tech (Dialogic, AT&T, etc)... it's gone now...
Again, you are arguing against something I'm not making a case against. ASSuming like always.
The forensics software would use the same software type routines with a CPU that a DSP will have built in functions for. Specialized computers may use DSP's for this work though.
I'm not familiar with telecommunications equipment that uses DSP's. Maybe I worked on them without knowing. What equipment used them?
OK, what is the bandwidth used today with telephone systems and cell phones?
What's taking so long?
Have to look it up?
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