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Many relationships between travel time and porosity have been proposed, the most commonly accepted is the Wyllie time-average equation. The equation basically holds that the total travel time recorded on the log is the sum of the time the sonic wave spends travelling the solid part of the rock, called the rock matrix and the time spent travelling through the fluids in the pores.
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Density logging is a well logging tool that can provide a continuous record of a formation's bulk density along the length of a borehole.In geology, bulk density is a function of the density of the minerals forming a rock (i.e. matrix) and the fluid enclosed in the pore spaces.
The UPIC system has subsequently been expanded to allow for digitally sampled waveforms as source material, rather than purely synthesised tones. In 2005, Mode Records of New York released a 2-CD compilation of works composed with the UPIC at CCMIX, entitled Xenakis, UPIC, Continuum, [1] which provides an overview of the machine's sonic ...
The Mirage is the brainchild of Robert Yannes, the man responsible for the MOS Technology SID (Sound Interface Device) chip in the Commodore 64.The Ensoniq Digital Oscillator Chip (Ensoniq ES5503 DOC – referred to the "Q-chip" in Ensoniq advertisements) that he designed was used in the Mirage, ESQ-1, SDP-1, and SQ-80 and the Apple IIGS personal computer.
The Clay Mathematics Institute (CMI) is a private, non-profit foundation dedicated to increasing and disseminating mathematical knowledge. Formerly based in Peterborough, New Hampshire, [1] the corporate address is now in Denver, Colorado. CMI's scientific activities are managed from the President's office in Oxford, United Kingdom. It gives ...
C-Media Electronics, Inc. (Chinese: 驊訊電子; pinyin: Huáxùn Diànzǐ) is a Taiwan computer hardware company that manufactures processors for PC audio and USB storage, and wireless audio devices.
Complete coverage of the music industry's 67th Grammy Awards taking place on January 31, 2025.