1) speech signal compression
音频信号压缩
2) audio compression
音频压缩
1.
Research on Audio Compression Arithmetic Based on Voyage Data Recorder;
基于航行数据记录仪的音频压缩算法的研究
2.
Modified discrete cosine transform (MDCT) is widely used in audio compression, such as the MPEG audio layer III codec.
在由定点 DSP实现的活动图像专家组 ( MPEG)音频层 III解码器中 ,与 MPEG音频压缩标准 ISO/ IEC 11172 -3中给出的 IMDCT运算量相比较 ,该文提出的 IMDCT快速算法节省了 2 / 3的运算时间和 1/ 2的存储空间。
3.
1 audio compression system use TI High-Performance TMS320DM642 digital multimedia chip as the core implementation of a DSP-based embedded real-time voice compression and transmission system.
1较高的运算复杂度,在构建实时音频压缩系统时,需要使用高速的处理芯片。
3) compressed audio
压缩音频
4) audio signal
音频信号
1.
Design of an audio signal collector based on DSP with high fidelity;
基于DSP的高保真音频信号采集器设计
2.
The Development of a Soft Digital Spectral Analyzer for Audio Signals;
音频信号软件频谱分析仪设计
3.
Blind separation of mixed audio signal based on FastICA
基于FastICA的混合音频信号盲分离
5) Audio frequency signal
音频信号
1.
In the emitting part of the system, the audio frequency signal is modulated through frequency modulation while the receiving part restores the primitive audio frequency signal.
系统中的发射机单元采用调频方式实现音频信号的调制而接收机单元对调频信号进行解调 ,恢复出原始的音频信
6) acoustic signal
音频信号
1.
Signal Analysis Based on Cantor Set and the Application of Cantor Set in Acoustic Signal of Vehicle Model Recognize;
信号的康托尔分析及其在音频信号车型识别中的应用
2.
Compared with vibration signals,acoustic signals can be collected with non-contact sensors,so as to be convenient and cheap.
轴承音频信号包含了大量的运行状态信息,与振动信号相比,音频信号的采集是非接触式的,具有使用方便和成本低廉等优势。
3.
On the basis of combining theory with practice, bearing fault diagnosis by acoustic signals based on Hidden Markov Model (HMM) is researched systematically in this paper.
(1)轴承音频信号包含其运行状态的重要信息，通过分析这些信息就能对轴承进行有效的故障诊断，而且音频信号能够非接触式采集，具有使用方便、成本低廉等优点。
补充资料：超声信号的对数压缩
超声信号的对数压缩
超声学术语。对数压缩系输出信号电压与输入信号电压的对数函数成比例的一种传输特性。实际的超声诊断仪中，为了均衡镜面反射和漫反射之间的信号差异，对数压缩级只对强信号实施对数压缩，对弱信号则保持线性响应，而且响应的特征也是近似的。电路上多用非线性限幅，多级并联相加型的程式来逼近对数特征。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条