Friday, October 09, 2015
Tuesday, January 25, 2000
 Intel to Include Lucent Audio Coder Technology in Its Online Content Security Software
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Message Text: "..Intel announced that the Intel Software Integrity System will feature industry-leading audio compression technology from Lucent Technologies, a move that will offer the developers of e-commerce music distribution platforms a one-stop source for content protection and CD-quality sound. Under a non-exclusive agreement, Lucent will license its Enhanced Perceptual Audio Coder ePAC to Intel for incorporation into its Intel Software Integrity System, a solution that features Intel's patented tamper-resistant software technology, which hides critical code, keys and other secrets from observation and detects attempts to break security mechanisms.

ePAC is a new version of the Lucent Perceptual Audio Coder (PAC), an audio compression algorithm with the highest-quality audio at the lowest bit rates. At 128 kilobits per second, ePAC offers CD-transparent stereo sound.

Developed by Bell Labs ePAC uses psychoacoustic modeling to compress music in a way that is not noticeable to the ear. Music is compressed at a rate of 11 to 1, thus reducing the transmission time/bandwidth and storage by the same ratio, while still retaining its fidelity. Several recent improvements in ePAC have pushed its performance levels to new heights, including: ePAC's improved quantization and coding, allowing higher quality audio at lower bit rates, and ePAC's improved psychoacoustic modeling from Bell Labs research, which provides CD-transparent sound at 128 kbps. ePAC's variable bit rates and superior audio quality allow the coder to be used in multiple bandwidth applications.."

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