查询词典 audio frequency

Open, create, and save audio files in any of the supported formats (can also save any portion of a loaded file to disk as a new file); Display audio data waveform (Zoom Full, Zoom In, Zoom Out, Zoom Vertical); Play audio files or any portion of the files; Record audio data from a microphone or any other available input device; Edit audio files visually (Cut, Copy, Delete Selection, Delete Silence, Paste, Paste From File, Mix, Mix From File); Apply various effects (Amplify, Compressor, Delay, Equalize, Fade In and Fade Out, Flanger, Invert, Normalize, Phaser, Reverb, Reverse, Silence, Shrink, Stretch, Vibrato, etc.); Apply different filters to any selected portion of audio files; Supports all major audio file formats such as uncompressed WAV; compressed WAV; MP3, MP2; Ogg; WMA; CDA; AVI; AIFF; AU; G.721, G.723, G.726; VOX; RAW.

音频编辑与魔术你可以：开放、创造、救任何音频文件格式的支持(也可以节省一部分的任何档案装作为一个新的磁盘档案)；数据显示音频波形(变焦满变焦，变焦，变焦垂直)；发挥音频文件或任何部分档案；音频记录数据可从麦克风或其他输入设备；视音频编辑档案(减、拷贝、选择删除，删除沉默，糊，糊，从立案、组合，从组合档案)；运用各种效果(放大、压缩、延迟、均衡、而在淡出褪色、对接、转化、规范化、移相、混响、逆向、沉默、退缩、舒展、颤音等)；采用不同过滤任何选定部分音像档案；支持所有主要的音频文件格式如无压缩波；压缩波； MP3及MP2等； Ogg；医协；综合；中AVI； aiff；凹； G.721、g.723、压缩；氧化钒；生吃。

The disc reproduction device further includes: storage means divided into a first area for storing at least one audio data of a particular length of at least one track and a second area for storing remaining audio data of the one track; write-in means for accessing the disc, writing the audio data of the particular length starting at an arbitrary position of the one track in the first area, and writing the remaining audio data in the second area during reproduction of the audio data of the particular length; and read-out means for continuously reading out the audio data of the particular length and the remaining audio data.

所述盘再现设备还包括：存储装置，其分为第一区域，用于存储至少一个道存储的特定长度的至少一个音频数据，和第二区域，用于存储一个道的剩余数据；写入装置，用于访问盘，在对特定长度的音频数据进行再现期间，将一个道的任意位置处开始的特定长度的音频数据写到第一区域，并且将剩余的音频数据写到第二区域；和读出装置，用于连续读出特定长度的音频数据和剩余的音频数据。

Base Station type Software versionTypes of carrier frequency board adoptedTypes of combiner adoptedWhether had obtained the network license or notIndoor type or outdoor type Whether the master port is separated from the remote-port The maximum carrier frequency capacity of single cabinet The maximum supportable sector numbers of single cabinetWhether it is dual-carrier frequency board or notMust it be paired configuration if it's dual-carrier frequency board (namely, the type of single carrier frequency station could only configure the dual-carrier frequency on hardware) The maximum achievable configuration of a single station of the single cabinetReceiver sensitivity The maximum expand capacity of a single base station (the maximum number of TRX in configuration / the number of cabinets which is required)(fill in according with the three sectors) Top box transmitted power (given separately a grade one combine and a grade two combine) The maximum output power of amplifier (voice, a single logical carrier frequency) The maximum output power of amplifier (EGPRS, a single logical carrier frequency)Whether it has tower-interfaceWhether it has built-in lightning protectionWhether it support the ultra-long cover / whether it need for software support (give simple description that how hardware and software could achieve this) The supporting condition of EGSM (it should be supported including by the carrier frequency, combiner) Dual-band carrier wave (whether it supports the mixed use of 900 M/1800M in the same cabinet) The commonality of duplicate parts Whether it can built-in transmission unitThe single cabinet size (high × width × deep) Installation method Whether it can place against the wallThe basic frame full-configured weight and the supportable number of carrier frequencyThe expansion frame full-configured weight and the supportable number of carrier frequency

基站型号软件版本号采用载频板型号采用合路器型号是否已取得入网许可室内型or室外型是否是主远端分离单机柜最大载频容量单机柜最大支持的扇区数是否是双载频板如是双载频板，是否必须成对配置(即单载频站型只能硬件配置双载频)单机柜可达到的单站最大配置接收机灵敏度单基站最大扩展能力(最大配置TRX数/需机柜数)(按3扇区填写)机顶发射功率(分别给出一级合路与两级合路)功放最大输出功率功放最大输出功率(EGPRS，单个逻辑载频)有无塔放接口有无内置避雷装置是否支持超远覆盖/是否需要软件支持(简单描述软硬件如何实现)EGSM支持情况(包括载频、合路器均应支持)双频段载波（是否支持900M/1800M在同一机柜内混合使用）备件通用性是否可以内置传输单元单机柜尺寸安装方式可否靠墙放置基本架满配重量及支持载频数扩容架满配重量及支持载频数是否支持基本架与扩容架跨扇区满配功耗满配时重量供电方式机柜进出线方式合路器损耗合路能力：几合一单扇区最大支持几载频合路到一副天线/采用几个合路器单扇区载频达到需要增加一副天线时，是否支持两级合路换以不增加天线如两级合路插损为是否支持基带跳频和合成跳频每单个合路器在从低载频数向高载频数扩容时，是否还需要增加硬件可用性指标MTBFMTTR系统中断服务时间硬件是否支持EGPRS本次报价软件版本号开始支持EGPRS的软件版本号其他特点注： 1 应分别填写出来按照本次报价要求所采用的全部BTS型号和采用的合路器型号 2 列出本报价要求的全部室外型基站与高功放单元

The invention comprises the following steps: summating and counting the added playing times of the acoustic frequency song in the portable media device when playing any acoustic frequency song; updating and saving in the current playing acoustic frequency song list; displaying the first acoustic frequency song list and the second acoustic frequency song list for the users in the picture according to the summated and counted acoustic frequency song playing frequency and the updated and saved current playing acoustic frequency song list when the user requests to play the song and uses the quick search music function; displaying the acoustic frequency song list according to the high sequence of the user playing frequency.

本发明包括：在便携式多媒体设备中，当播放任意音频曲目时，对该音频曲目增加的播放次数进行累积计数，并在最近播放的音频曲目列表中进行更新存储，当使用者要求播放曲目而使用快速检索音乐功能时，便能参照累积计数的音频曲目播放频度和被更新存储的最近播放的音频曲目列表，在画面中显示可供使用者选择的第1音频曲目列表和第2音频曲目列表，按照使用者播放频度高的顺序以及最近播放的顺序显示音频曲目列表。

The invention discloses a multi-cell pilot frequency distribution method applied in an orthogonal frequency-division multiplexing system, which comprises the following steps: generating at least two different original frequency hopping sequences according to a predetermined pilot frequency domain; generating a combined frequency hopping sequence (having length greater than that of the original frequency hopping sequences) from at least two different original frequency hopping sequences; generating different pilot frequency structures satisfying collision threshold requirements based on the combined frequency hopping sequence; and distributing the generated pilot frequency structures to each cell.

本发明公开了一种多小区导频分配的方法，用于正交频分复用系统，按照预定的导频频域间隔生成至少两种不同的原始跳频序列；将至少两种不同的所述原始跳频序列生成组合跳频序列，所述组合跳频序列的长度大于所述原始跳频序列的长度；基于所述组合跳频序列生成满足碰撞门限要求的不同导频结构；将所述生成的导频结构分配给各小区。

The realization monolithic integrated circuit system double audio frequency, this radio has used double audio frequency decoding chip MT8870, demodulates the tonic train signalling from the frequency-modulated signal, and separates the double tonic train signalling from the tonic train signalling to enter the double audio frequency decoding electric circuit implementation letter command to decode, thus carries on the low gear rate using the frequency modulation channel the control command transmission.

为实现单片机控制的双音频解码，本收音机采用了双音频译码芯片MT8870，从调频信号中解调出音频信号，并从音频信号中分离出双音频信号进入双音频解码电路实行信令解码，从而利用调频信道进行低速率的控制指令的传输。

The playback method includes a first step of outputting stereo audio signals using the monaural audio signal if the necessary stereo process information is not supplied; a second step of starting updating stereo variables within filters, and outputting the stereo audio signals using the monaural audio signal until all the state variables are updated, if the necessary stereo process information is supplied; and a third step of performing the stereo process based on stereo process information acquired by the necessary stereo process information, on the monaural audio signal to generate and output stereo audio signals, if all the state variables within the filters are updated.

该再生方法包括：第一步骤，如果没有提供立体声处理必需信息，则输出使用了非立体声音频信号的立体声音频信号；第二步骤，如果提供了立体声处理必需信息，则开始更新滤波器内的状态变量，并输出使用了非立体声音频信号的立体声音频信号，直到更新完所有的状态变量；以及第三步骤，如果更新完滤波器内的所述状态变量，则对非立体声音频信号执行基于通过立体声处理必需信息获取的立体声处理信息的立体声处理，并生成并输出立体声音频信号。

Audio denoising is the pre-step in the audio processing,and wavelet domain denoising has been a main research area.In order to give people a summary knowledge of wavelet domain audio denoising,based on many literatures,this paper attempts to make a survey of wavelet domain audio denoising.First,it introduces wavelet transformation and the characteristics,and gives the optimal selecting and dealing criterion of wavelet domain denoising,the basis wavelet selection.Second,describes five classical methods of audio denoising,for example,threshold,multi-wavelet,wavelet packet,modulus maximum and scale correlation,then introduces their development.Third,introduces a new algorithm based on modulus maximum and scale trading theory.At the end,the future trend of wavelet domain audio denoising is pointed out.

音频降噪是音频处理前期的必要步骤，小波域降噪是其中一个重要的研究方向，为了使人们对小波域音频降噪有概括了解，在对小波域音频降噪相关文献进行分析和理解的前提下，首先介绍了小波变换及其特性，同时阐述了小波降噪的最优选取和处理准则，及对音频进行小波变换时小波基的选取原则；然后评述了用于音频降噪的阈值，多小波、小波包、模极大值和尺度相关法等5类方法及各自的发展；接着介绍在前人基础上，提出新的基于模极大值和尺度理论的降噪算法；最后探讨了小波域音频降噪的发展方向。

Visual Audio Editor let you edit audio file visually in a special window waveform, record and create audio files, save any part of audio file, Play an audio file or any part of it.

视音频编辑器让你编辑音频文件的视觉在一个特殊的窗口，波形，记录和创造的音频文件，保存的任何部分，音频文件，播放音频文件或任何部分。

Base on clarity of authenticate elements of electronic evidence, deep understanding of format sand contents of digital audio, digital audio forgery tools and methods, from the audio analysis of Verifier-Tuple theory, we research on three main aspects: audio waveform statistical characteristics, incidental background noise characteristics, audio additional information.

在对电子证据的鉴定要素明晰的基础上，对数字音频材料格式内容深入的理解的基础上，对数字音频篡改工具及篡改方法认识的基础上，从音频分析的校验原组理论出发，分别在音频的波形统计特征方面、音频附带背景噪声的特征方面、音频格式附加信息方法方面进行检测方法研究。

The network space is the typical form of abstract space when it comes to the digital stage.

网络空间是抽象空间数字化阶段的典型形式。

The Notarial System,as the system of judicial certification in our country,is both the constructor and the defender of social credit system,It has its special value and function in the social honesty.

公证制度作为我国司法证明制度，既是社会信用体系的建设者，同时也是社会信用的捍卫者，在诚信中有其特殊的价值和功能。