audio frequency

基本解释

The invention discloses an output controlling means of audio frequency apparatus.
本发明公开了音频设备的输出控制方法。
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.
如何提取音频中的结构化信息和内容语义，使得无序的音频数据变得有序，是基于内容的音频检索技术能否得以实用的关键所在。
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.
在信号测量、图像处理、音频信号处理等一些高速、高精度的测量中，都需要进行高性能数据采集。

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

音频
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.
随着多媒体和网络技术的飞速发展并广泛应用,数字媒体(包括数字图像、数字视频、音频)已得到了广泛的应用。
声频