US 2002/0001277 A1 · Method for encoding and recording non-audio data on a compact disc

Abstract

A method for encoding and recording non-audio data on a compact disc medium. The non-audio data is encoded as a non-audio data track having an audio format compatible with a standard format which calls for digital audio encoding utilizing a predefined number of bits per sample. The non-audio data is encoded using less than the predefined number of bits per sample, and preferably no more than one-half the predefined number of bits per sample. The non-audio data is preferably encoded such that the audio signal resulting from the non-audio data track is substantially equally distributed across an audible spectrum and is an approximation of white noise. The non-audio data track, once encoded, is recorded along with a plurality of audio tracks on the compact disc. Additional non-audio data may be encoded as a watermark within the non-audio data track. A compact disc recorded thusly is compatible with existing CD players.

Claims45

Dependent claims

A method for encoding and recording non-audio data on a compact disc medium comprising the steps of:

encoding the non-audio data as a non-audio data track having an audio format compatible with a standard format, wherein the standard format calls for digital audio encoding utilizing a predefined number of bits per sample and the non-audio data is encoded using less than the predefined number of bits per sample;
and
recording a plurality of digital audio tracks and the non-audio data track on the compact disc medium in accordance with the standard format.

Dependencies are inferred from the claim text.

Method for encoding and recording non-audio data on a compact disc

Life of this patent

Method for encoding and recording non-audio data on a compact disc

Life of this patent

Abstract

Claims45