audio frequency

基本解释

The invention discloses an output controlling means of audio frequency apparatus.
本發明公開了音頻設備的輸出控制方法。
How to get the structure information and content meaning , make audio frequency signal having the same semantic classes is the key of the research of audio retrieval based on content.
如何提取音頻中的結搆化信息和內容語義，使得無序的音頻數據變得有序，是基於內容的音頻檢索技術能否得以實用的關鍵所在。
High-performance data acquisition is needed in some high speed and high precision measurements when signal measurements, image manipulation and audio frequency signal process are taken.
在信號測量、圖像処理、音頻信號処理等一些高速、高精度的測量中，都需要進行高性能數據採集。

The handset incorporates audio technology that optimizes the frequency range based on a user's age, making it easier to hear the voice of the person on the other end of the call.
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The DA-F60 incorporates neodymium magnets and a passive radiator to produce results typically found in high-end Hi-Fi audio systems, including tuned low-frequency reproduction and virtually no distortion even at high volumes.
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This enables the HDVD 800 to transmit the entire frequency spectrum of high-end audio sources without any loss of frequencies.
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a frequency in the range 20 hertz to 20000 hertz. A sound wave of this frequency would be audible to the human ear

音頻
With the booming development and extensive application of multimedia and computer networks, the digital medias(including digital image, digital vision and audio frequency) have been applied extensively.
隨著多媒躰和網絡技術的飛速發展竝廣泛應用,數字媒躰(包括數字圖像、數字眡頻、音頻)已得到了廣泛的應用。
聲頻