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Practical Procedures for Subjective Testing

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This Handbook describes practical procedures to be used to quantify the perceived audio quality of end-to-end speech and audio communication systems.

English

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Foreword

For over one hundred years it has been recognised that the audio quality of communications systems needs to be assessed subjectively, in order to be meaningful. While there are known audio applications that enable accurate prediction of users’ judgements on the basis of objective measures, there are many other applications – for example, new speech processing systems – whose quality can only be meaningfully assessed by subjective testing.

English

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