APU软件APU动力学优化器 3.0.1（Win/macOS）

Win/macOS | File size: 26.5 MB

The APU Dynamics Optimizer is a dynamics optimization tool designed to support modern loudness types (LUFS, True Peak). Underneath the hood, the optimizer uses the same compression engine as the APU Loudness Compressor, but benefits from the full audio waveform instead of real-time measurements. This allows the gain envelope to be meticulously optimized across the entire waveform.

The design of this tool allows you to very precisely target a specific average LUFS and dynamic range. Once the gain envelope has been optimized, you can playback the result in real-time while adjusting the character of the sound with the same collection of parameters from the compressor plug-in.

Walkthrough When you first open an audio file, the optimizer will analyze the audio file’s loudness timeline. You’ll then be presented with a pair of histograms. On the left, you’ll see the audio file’s current loudness distribution. On the right, you’ll see a target distribution. The optimizer’s job is to dynamically compress and expand the audio throughout the entire audio file strategically to match the target distribution.

Before continuing to the next step, you can make adjustments to the source percentiles. This allows you to exclude any unwanted audio from the optimization process. By default, the percentiles are set to match the LRA standard from LUFS. This generally does a good job capturing the main body of the audio.

Once you’re happy with the source percentile range, you can then press the right arrow to continue to the next step.

Once optimization is complete, you can play the result in real-time while adjusting the character of the sound with the same collection of parameters from the compressor plug-in. Use the play/stop buttons and seek slider to navigate the audio while making any adjustments you’d like.

Once you’re happy with the result, you can export the optimized audio to a new file. This file is always stored with the same samplerate as the original audio, using 32-bit floating point wave format. This ensures the highest quality audio is preserved. This format also allows samples over 0 dBFS, which ensures no clipping occurs.

You can listen and export with or without limiting. The built-in limiter can be configured in the Limiter tab, or you can bypass the limiter entirely and use your own external limiter after export.

Dynamics shaping The dynamics optimizer allows you to reshape the full dynamics spectrum of your audio file. You can choose between Uniform or Normal distribution, with the ability to skew the latter toward the top or bottom of the distribution. This allows you to shape the dynamics of your audio in a variety of ways. The optimizer takes this information and uses it to make many tiny adjustments to the compress/expand ratio over time. Something you’d never be able to do with a traditional compressor.

The optimizer can be configured to use the following distribution types

Uniform Uniform distribution type is a flat distribution across the entire loudness range. This is a good starting point for most audio files, as it doesn’t favor any particular loudness range. The result is an extremely balance loudness profile.

Normal Normal distribution type is a bell curve distribution which can be skewed toward the top or bottom of the distribution. This allows you to dial in a very particular shape of your choosing, whether it’s to more closely match the original audio or for creative effect.

Whats New Updates: official site does not provide any info about changes in this version

APU 动态优化器是一款动态优化工具，旨在支持现代响度类型（LUFS、True Peak）。其内部使用与 APU 响度压缩器相同的压缩引擎，但受益于完整的音频波形而不是实时测量。这使得可以精确地优化整个波形的增益包络。 该工具的设计允许您非常精确地针对特定的 LUFS 平均值和动态范围进行目标定位。在增益包络得到优化之后，在调整声音特征的同时使用相同的压缩插件参数集即可播放结果。 Walkthrough 当您首次打开音频文件时，优化器将分析音频文件的响度时间线。然后您会看到一对直方图。左侧显示音频文件当前的响度分布情况，右侧则显示目标分布。该优化器的任务是在整个音频文件内动态压缩和扩展声音，以匹配目标分布。 在继续下一步之前，您可以调整源百分位数。这允许您排除优化过程中不必要的音频。默认情况下，默认百分位设置为匹配 LUFS 的 LRA 标准。这通常能很好地捕捉到大部分音频的主要部分。 一旦对源百分位范围满意，可以按下右箭头继续至下一步。 在完成优化后，您可以随时播放结果并使用与压缩插件参数集相同的集合调整声音的特征。使用播放/停止按钮和快进滑块导航音频，并根据需要进行任何更改。 当您满意结果时，可以将优化后的音频导出到一个新的文件中。此文件总是保存原始音频相同的采样率，并以 32 位浮点 WAV 格式存储。这确保了最高质量的音频得到保留。这种格式还允许超过 0 dBFS 的样本，从而确保不会发生失真。 您可以选择带有或不带限制器播放和导出。内置限幅器可以在限幅选项卡中进行配置，也可以在导出后绕过限幅器并使用自己的外部限幅器。 动态塑造 动态优化器允许您重塑音频文件的整个动态频谱。可以选择均匀分布或正态分布类型，并且后者可以偏移到频谱的顶部或底部。这使得您可以以多种方式塑造音频的动态特性。优化器会使用这些信息来随着时间做出许多细微的压缩/扩展比调整，这是传统压缩器无法实现的。 优化器可配置为使用以下分布类型 均匀 均匀分布类型在整个响度范围内是平坦分布。这对于大多数音频文件来说是一个很好的起点，因为它不偏向任何特定的响度范围。结果是一种极其平衡的响度特征。 正态 正态分布类型是一个类似于钟形曲线的分布，可以偏移到频谱的顶部或底部。这使得您可以设置一个非常适合您选择的独特形状，无论是更紧密地匹配原始音频还是进行创意效果。 新功能 更新：官方网站未提供有关此版本更改的信息

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