Mixer The Corpus of Multilingual, Multichannel Speaker Recognition Data
Christopher Cieri1, Joseph P. Campbell2, Hirotaka Nakasone3, David Miller1, Kevin Walker1
1
University of Pennsylvania, Linguistic Data Consortium, Philadelphia, PA, USA 2 MIT Lincoln Laboratory, Lexington, MA, USA 3 Federal Bureau of Investigation, Quantico, VA, USA
[e-mail], [e-mail], [e-mail], [e-mail] [e-mail]
Forensic Automatic Speaker Recognition
Fisher Platform Behavior
350 300
Callers by Calls Made
Minimum Requirements
text-independent
Callers
250
channel-independent
200
New requirements
capable of handling multiple languages including bilingual speakers
150
100
50
Plan
multilingual, multi-channel collection dissemination to research sites system performance improvement system performance evaluation
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 36 Calls Completed
Multichannel System
Laptop with two firewire hard drives Multichannel interface Sensors
0. Wireline telephone call goes to robot operator platform, not to MOTU)
20
Calls by Language
Corpus Design
Speakers 100 100 100 100 100 100 100 100 100 100 100 50 4 Calls 10 Arabic Mandarin Unique Russian Handset Spanish XC & TR Extended Data Xchannel Extended Data Extended Data Extended Data Extended Data Extended Data
2. Cell-phone style ear-bud in-line lapel mic Motorola Earbud Handsfree, SYN8390, $12 3. Over the ear miniboom mic Jabra EarWrap Headset Radio Shack #43-1914 $30 4. Courtroom mic Shure MX418S Supercardioid Gooseneck Mic $185, mounts to furniture 5. Conference room mic (table top boundary mic) Crown SoundGrabber II pressure-zone mic $70 6. Distant mic (e.g., courtroom mic across the room)
Phase I
Arabic Mandarin Russian Spanish II
Research
Supports English
Phase speaker recognition research with emphasis on forensicstyle problems:
telephone conversations channel independence language independence & bilingualism transcript reading
Generalities
Audio Technica Pro 45 Cardioid Condenser Hanging Mic $91 7. Studio mic (placed near talker) Audio Technica AT3035 Cardioid Condenser $200 (not including stand) 8. PC-style stand mic Radio Shack Desktop Mic with Noise Canceling #33-3031 $27 9. Microcassette mic Olympus Pearlcorder S725 (no mic monitoring capability) $66
calls are 6 minutes in duration subjects speak to each other assigned topics change daily robot operator logs ANI unique handsets encouraged subjects indicate phone and handset type
Components
Core: 600 subjects*10 calls Extended: 100 subjects continue to 20 calls Multingual 100 subjects * 4+ of their calls in Arabic 100 subjects * 4+ of their calls in Mandarin 100 subjects * 4+ of their calls in Russian 100 subjects * 4+ of their calls in Spanish Multi-channel Data: 100 subjects * 4 of their calls via multi-channel device Transcript Readin...