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Signal Generator: Audio Test Tone Utility

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Signal Generator is an app that produces audio test tones. The basic app produces sine waves, and it can be extended and customized (via in-app purchases) to produce white noise, pink noise, frequency sweeps, and (on iPhone 4 and better) square waves, sawtooth waves, and triangle waves.

• Tone Generator. The basic app includes a sine wave generator that generates signals from 20 Hz to 20 kHz, with a 44.1 kHz sample rate, 16-bit samples, and 96 dB of dynamic range. Frequency control via logarithmic knob or keyboard input.

• Pro Tone Generator. (Optional in-app purchase). Extends the frequency range down to 1 Hz, and adds stereo control and buttons to increment the frequency in steps. On iPhone 4 and better, alias-reduced classic waveforms are available. Square waves, sawtooth waves, and triangle waves are generated with aliasing kept to -54 dB or less.

• Noise Generator. (Optional in-app purchase). Produces white noise, pink noise, and brown noise. Pink noise falls off at 3 dB per octave (±1 dB). Brown noise falls off at 6 dB per octave.

• Frequency Sweeps. (Optional in-app purchase). Adjustable start and stop frequencies. Linear or logarithmic sine wave frequency sweeps. Single shot sweeps, repeating upward sweeps, and upward/downward sweeps.

This app can be used to:

• Test Speakers and Headphones
• Balance your Home Theater System
• Tune Your Car Audio System
• Mask Environmental Noise
• Burn In Headphones
• Tune Musical Instruments
カテゴリー
ユーティリティ
リリース
2012/8/1
更新
2015/7/8
バージョン
1.7.3
言語
英語
サイズ
6.3 MB
条件
iPhone、iPod touch および iPad 互換 iOS 4.3 以降が必要
このバージョンの新機能
Fixed a crash that would occur during start up under certain conditions. Fixed the sweep mode button forgetting its last state.
スクリーンショット
  • http://a2.mzstatic.com/jp/r30/Purple5/v4/ed/de/fc/eddefc5e-f1eb-96f1-5fa2-4a0cbddea724/screen1136x1136.jpeg
  • http://a5.mzstatic.com/jp/r30/Purple1/v4/8e/5a/9b/8e5a9b42-7887-a0ac-d51c-985b596508fa/screen1136x1136.jpeg
  • http://a2.mzstatic.com/jp/r30/Purple3/v4/2d/40/9d/2d409dd6-b140-61bb-c066-e90b790510c3/screen1136x1136.jpeg
  • http://a1.mzstatic.com/jp/r30/Purple3/v4/1c/16/15/1c1615ff-bf65-29e0-92f8-7e790517b459/screen1136x1136.jpeg
  • http://a5.mzstatic.com/jp/r30/Purple5/v4/e0/d3/47/e0d34764-3236-2b7e-0d1c-f191dfac9306/screen1136x1136.jpeg


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