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RTA Audio

價格:免費

更新日期:2019-01-26

檔案大小:2.2 MB

目前版本:2.0.3

版本需求:需要 iOS 12.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。

支援語言:英語

RTA Audio(圖1)-速報App

••• Real-time analyzer with resolution up to 1/96 Octave •••

This tool gives you the ability to analyze the quality of your audio system in an accurate way and to find out the sound intensity your system emits at different frequencies. Easily find frequency swings, then set up your equalizer to take them into account based on the information provided by the app. RTA Audio analyzes the signal from a microphone or the line-in input.

••• Features •••

Resolutions: 1/2, 1/3, 1/6, 1/12, 1/24, 1/48, 1/96 Octave

Logarithm frequency scale

Adjustable frequency range (20 - 20kHz)

Tone scale view C₀- H₈ (A₄ = 440Hz)

Graph modes: line, curve, box

Peak hold graph

Peak average graph

RMS average graph

Pointer function

Response time: fast, slow, long

Peak and RMS input meter

Freeze function

RTA Audio(圖2)-速報App

Save screenshot function

••• Recording specification •••

Audio session mode - measurement

Software input gain control

Hardware input gain control

Sample rate: 48000 Hz

Bit depth: 16bit

Channel: 1(mono)

Frequency range: 6Hz - 24kHz

Dynamic range: -100dB - 0dB

••• FFT (Fast Fourier Transform) specification •••

Frame size: 8192

Overlap: 75%

Smoothing Window: Blackman-Harris

Double precision calculation

RTA Audio(圖3)-速報App

Hardware acceleration

支援平台:iPhone, iPad