APU Software APU Loudness Limiter 3.0.1 (Windows/Mac)

File size: 101.2 MB

The APU Loudness Limiter is a real-time limiter designed to support multiple loudness types simultaneously. The limiter can be configured to use LUFS, True Peak, RMS, and/or Peak loudness types. This allows you to target multiple requirements simultaneously, such as a specific LUFS target and a specific True Peak target. Internally, the ballistics of the limiter are adjusted to accommodate the different loudness type limiter settings.

Loudness flavors One of the key features of this limiter is its support for a variety of loudness types. The limiter’s detection circuitry can be configured to use either LUFS and/or traditional measurement units (RMS, Peak). You can also choose to split or link channels, which is particularly useful for multi-channel audio formats such as Dolby Atmos®.

The limiter’s detection circuitry can be configured to use any of the following loudness types

Momentary Momentary is a short duration LUFS measurement (400ms), which is useful for processing the audio’s moment-by-moment dynamics. This mode is responsive but also transparent. K-weighting and channel weighting are applied to the compressor’s detection circuitry, improving perceptual accuracy.

Short-Term Short-Term is a longer duration LUFS measurement (3 seconds), which is useful for processing the audio’s large scale dynamics. Given the longer duration, this mode is less responsive than momentary, but it can be useful for adjusting the bigger picture of the audio’s dynamics. K-weighting and channel weighting are applied as with momentary.

Integrated Integrated is an infinite duration LUFS measurement. K-weighting and channel weighting are applied as with momentary, as well as both relative and absolute gating. This loudness type can be useful for continuously wrangling the audio’s integrated loudness toward a specific target.

RMS RMS loudness types use a rolling time interval of 150ms by default, which can be adjusted. RMS is a traditional loudness measurement, which is a good first-order approximation of perceived loudness. This mode doesn’t apply K-weighting or channel weighting to the limiter’s detection circuitry, giving it a more traditional character.

True Peak True Peak loudness types are similar to traditional peak measurements, but they are more accurate as they take into consideration inter-sample peaks. These measurements use a time interval equal to the configured block size (1ms by default). This mode prevents clipping inter-sample peaks, which can be useful for mastering.

Whats New

以下是翻译结果： ``` APU响度压缩器是一款专为同时支持多种响度类型设计的实时压缩器。该压缩器可以配置使用LUFS、真峰值、RMS和/或峰值响度类型。这允许你同时满足多个要求，比如特定的LUFS目标值和特定的真峰值目标值。内部，限幅器的响应特性被调整以适应不同类型的响度设置。 响度风味 这个压缩器的一个关键特性是支持多种响度类型。检测电路可以配置为使用LUFS或传统测量单位（RMS、Peak）。你还可以选择分割或链接声道，这对于多声道音频格式如Dolby Atmos®特别有用。 检测电路可以选择以下任何一种响度类型 瞬时 瞬时是一种短持续时间的LUFS测量（400毫秒），对于处理音频的瞬时动态很有用。这种模式响应性强但也很透明。压缩器的检测电路应用K-权衡和声道权衡，从而提高感知准确性。 短期 短期是一段较长的LUFS测量（3秒钟），对于处理音频的大范围动态非常有用。考虑到持续时间较长，这种模式的响应性比瞬时模式弱，但它对于调整音频整体动态是有用的。压缩器的检测电路应用K-权衡和声道权衡，与瞬时模式相同。 集成 集成是一种无限持续时间的LUFS测量。压缩器的检测电路应用K-权衡和声道权衡，并且还应用于相对和绝对门控。这种响度类型对于使音频的集成响度朝向特定目标有帮助。 RMS RMS型响度使用默认150毫秒滚动时间间隔，可以调整。RMS是一种传统的响度测量方法，是感知响度的很好近似值。这种模式不会对压缩器的检测电路应用K-权衡或声道权衡，从而使它具有更传统的特征。 真峰值 真峰值型响度类似于传统峰值测量，但它们更加准确，因为考虑了样本之间的峰。这些测量使用等于配置块大小的时间间隔（默认为1毫秒）。这种模式可以防止样本间峰的截断，这对于制作很有用。 新特性 ```

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