iSynth 是款 monophonic 的合成器 App。

iSynth 模擬了類比合成器的聲音，作者專門為現場演出做了優化設計，內建了兩顆震盪器（OSC）、LFO、ADSR 和 LPF，除此之外還支援 iOS 的 AirPlay，可以透過無線的技術，讓 iSynth 演奏的聲音傳送到有支援 AirPlay 的裝置上，但比較令人遺憾的是 iSynth 居然沒有支援 CoreMIDI，這應該是比較令人失望的。

老樣子下面的影片連結有興趣的朋友可以點進去看看

http://www.youtube.com/watch?v=QgOiQi8e4M4&feature=player_embedded

iSynth 目前售價是 $1.99 USD，價格算蠻實惠可以下載用用。

iSynth App Store

iSynth 特色：

Dual Oscillator:
- Generating square, triangle, saw tooth and reverse saw tooth waves.
- Octave selector
- Lag processor
- Cross-Fader
- Oscillator fine-tuning
- Oscillator synchronization

LFO Filter:
- Supporting square, triangle, saw tooth and reverse saw tooth waves.
- Filter, vibrato and tremolo modulation

ADSR Volume Envelope Generator:
- Control attack, decay, sustain and release

ADSR Filter Envelope Generator:
- Control attack, decay, sustain and release

Low Pass Filter:
- Frequency cutoff from 10 kHz

Arpeggio Modul:
- Up to five notes
- Select between up, down, up/down and random playing

Keyboard:
- Switch between 4 octaves

Patches:
- Shiped with default patches
- Save unlimited user defined patches
- Share your patches with others via iTunes filesharing

AirPlay:
- Stream directly from iSynth to any AirPlay compatible device