| 內容簡介 | The ICSI Meeting corpus is a collection of 75 meetings collected at the International Computer Science Institute in Berkeley during the years 2000-2002. The meetings included are "natural" meetings in the sense that they would have occurred anyway: they are generally regular weekly meetings of various ICSI working teams, including the team working on the ICSI Meeting Project. In recording meetings of this type, we hoped to capture meeting dynamics and speaking styles that are as natural as possible given that speakers are wearing close-talking microphones and are fully cognizant of the recording process. The speech files range in length from 17 to 103 minutes, but generally run just under an hour each.
Data
The collection includes 922 speech files, for a total of approximately 72 hours of Meeting Room speech. The speech is structured as one subdirectory per meeting, containing wavefiles for each channel (and possible .blp file, specifying any censored intervals).
The audio was collected at a 48 kHZ sample-rate, downsampled on the fly to 16 kHz. Audio files for each meeting are provided as separate time-synchronous recordings for each channel, encoded as 16-bit linear (big-endian) wavefiles, shorten-compressed in NIST SPHERE format.
The meetings were simultaneously recorded using close-talking microphones for each speaker (generally head-mounted, but early meetings contain some lapel microphones), as well as six table-top microphones: four high-quality omnidirectional PZM microphones arrayed down the center of the conference table, and two inexpensive microphone elements mounted on a mock PDA. All meetings were recorded in the same instrumented meeting room.
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