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混音混得对。

音乐

为音乐制作人和音频工程师打造的源自 Reddit 的计算器和参考工具——BPM/毫秒、音符频率、半音移调、和弦进行、五度圈、LUFS 目标、dBFS↔dB SPL、真峰值余量、动态范围、采样率码率、音频文件大小、变速计算,以及混响、EQ、侧链等混音助手。

26 个工具可用

BPM Tap Detector

Tap along with your track and get the tempo in beats per minute.

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BPM ↔ Millisecond Converter

Convert BPM into the millisecond value used for delay and reverb time.

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Note Duration Calculator

See the millisecond value of every standard note duration at any BPM.

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Swing Percent Calculator

See how swing % changes the gap between off-beat eighths at any BPM.

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Note Frequency Calculator (Hz ↔ Note)

Convert any frequency to its nearest equal-temperament note and back.

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Semitone Transpose

Transpose any root note up or down by N semitones.

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Chord Progression Builder

Build a Roman-numeral chord progression from a key and see the diatonic chords.

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Circle of Fifths Explorer

See the key signatures, relative minors, and sharp/flat counts for every key.

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LUFS Target Calculator

Pick a streaming platform and see the integrated LUFS, true peak, and short-term targets.

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dBFS ↔ dB SPL Converter

Convert a digital level (dBFS) into a sound pressure level (dB SPL) for a speaker.

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True Peak & Limiter Headroom

See how much true-peak headroom to leave under 0 dBFS for any codec.

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Dynamic Range (DR) Calculator

Compute the crest factor and dynamic range of a track from peak and RMS.

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Sample Rate & Bit Depth Bitrate Calculator

Compute the bitrate of any PCM audio file from sample rate and bit depth.

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Audio File Size Estimator

Estimate the file size of a WAV, AIFF, FLAC, or MP3/AAC export.

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Time-Stretch Percent Calculator

Convert a tempo or length change percentage to BPM, length, and pitch artifacts.

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Reverb Pre-Delay Calculator

Set reverb pre-delay to keep the dry signal upfront and the tail behind.

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EQ Q-Factor Calculator

Convert EQ bandwidth in semitones into a Q value and back.

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Sidechain Filter Frequency Calculator

Set the sidechain high-pass frequency to keep the kick pumping without ducking the bass.

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Headphone Power Match

Will your USB DAC actually drive your headphones?

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Semitone ↔ Frequency

Convert any frequency to its semitone offset and note name from A4.

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Amp Power for Room Size

How many watts do you need for a room at a target SPL?

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Streaming LUFS / dBTP Target

Set your master loudness for Spotify, Apple, YouTube, or a club rig.

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音频录音文件大小计算器

估算任意采样率下的录音文件大小。

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DAW 往返延迟计算器

估算 DAW 监听延迟。

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室内 RT60 估算

用 Sabine 公式估算混响时间。

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声学处理计算器

估算低频陷阱与吸声板面积。

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