Automatic audio recorder-player and operating method therefor

An operation method and technology of a recorder, applied in the field of audio entertainment system, can solve the problem of multiple functions of radio
CN1639975AInactive Publication Date: 2005-07-13KONINKLIJKE PHILIPS ELECTRONICS NV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
KONINKLIJKE PHILIPS ELECTRONICS NV
Publication Date
2005-07-13
Estimated Expiration
Not applicable · inactive patent

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Abstract

An audio recorder-player (1, 100) comprising: M tuners (20, 22 or 120a-120n), which generate N audio signals sent by N audio sources; analyzers (30, 130) , which extracts RxN audio signal features from the N audio signals; memory (40, 140), which stores the RxN audio signal features; and an output circuit (60, 70 or 160, 70), which responds to Selection of at least one of said RxN audio signal characteristics reproduces an audio signal corresponding to one of said N audio signals, where R is a positive integer and M and N are positive integers greater than one. If desired, said audio recorder-player may advantageously be included in one of a radio, computer or set-top box. A method for operating the audio recorder-player is also described.
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Description

technical field

[0001] The present invention generally relates to audio entertainment systems. More specifically, the present invention relates to an audio entertainment system incorporating an audio recorder-player that allows recording of audio signals, processing and selective playback of recorded audio signals . Advantageously, the audio recorder-player allows a user to play live or recorded audio selections based on processing results for previously recorded audio signal samples. Background technique

[0002] Software for performing speech recognition of live audio signals or audio signal files with acceptable accuracy, ie better than 95%, is commercially available. For example, U.S. Patent Nos. 4,277,644 and 6,101,467 cover various aspects of speech recognition software. Also, comparable methods for characterizing audio content are known. U.S. Patent Nos. 6,054,646 and 6,173,260 cover methods for characterizing music by tempo, energy, pitch, and the like. Addition...

Claims

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