GB/T 7348-1987
AbolishedThe standard spectrum of whispered Chinese speech
耳语标准频谱
Application Summary AI generated
This standard defines the spectral characteristics of whispered Chinese speech, providing a reference frequency distribution for testing and evaluating speech recognition systems, communication equipment, and hearing aids. It is applied in acoustic engineering, telecommunications, and product development where whispered speech intelligibility or system performance under low-volume conditions must be assessed. The standard ensures consistent testing conditions for devices used in quiet environments, such as libraries, hospitals, or secure communication settings.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.