Audio Unit Player vs step player

This app is a music player that can process the following effects in real time. - Time stretch (0.5-2.0 double speed) - Pitch shift (-1 ~ +1 octave) - 31 band equalizer - Reverb - AUv3 (Audio Unit v3) host [Use cases] - Karaoke's training. (Can be changed speed units of 10%, pitch shift in semitones easily) - Can playback at reduced tempo to copy phrase for guitar or bass, the keyboard instrument. - Can playback by changing the pitch to play by changing the key in the band performance (Developer himself has experience). [Function] - Perform time stretch (50 - 200%) / pitch shift (-12 - +12) in real time. - 31 bands EQ (Hz: 20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1k, 1.25k, 1.6k, 2k, 2.5k, 3.15k, 4k, 5k, 6.3k, 8k, 10k, 12.5k, 16k, 20k). - EQ preset (Abundant Built-in Presets / Custom Presets). - Reverb: Adjustable decay time (Low freq, High freq) / 13 presets - Reverb preset (Built-in Presets / Custom Presets) - Can be used as an AUv3 host. - A-B loop playback. - Center Cancel / Center Emphasis. - Lch, Rch each mute. - Quick fast forward, rewind (specify the number of seconds). - Check and set current position graphically in wave view. - Supports Auto-Lock ON/OFF. - Supports background playback. - Supports export (file writing) function (Each effect (speed/pitch/EQ) value set for each song is also reflected. The range specified in the loop section is output.) In addition to loading "music" data included in the standard music app, it also supports the function to import audio files from other apps ("Voice Memos" etc.). [How to import from "Voice Memos"] 1. Start the app "Voice Memos" and tap the mark "..." of the file to be imported from the list. 2. Tap "Share" on the sheet displayed from the bottom. 3. Tap "More" found by scrolling the displayed list of sharing destination apps to the right. 4. Select "AU Player" if available. The file is copied to this app. ================================================ [Note 1] This application will not be able to read songs of the following formats. - Songs from Apple Music, iCloud, iTunes Match - Songs that are protected by digital copyright (DRM) [Note 2] Depending on the state of your device, your custom AUv3 effects may not appear in the list. As a solution, you can solve the problem by starting "GarageBand" once and restarting this app. ================================================

step_player（ステッププレイヤー）は、歌の練習に特化したシンプルな音楽再生アプリです。 テンポを変えずに、曲のキー（音の高さ）だけを半音単位で自由に変更できます。原曲のキーが自分の声域に合わない時、キーを上下させて歌いやすい高さで練習できます。 【主な機能】 ・キー変更（±6半音）：テンポはそのまま、ピッチのみを半音単位で調整 ・曲選択：端末のミュージックライブラリから曲を選んで再生 ・ファイル取り込み：ボイスメモアプリ等で録音した音声ファイルをFilesアプリ経由で取り込んで再生・キー変更練習が可能 ・ミニプレイヤー：他の画面を見ながら再生状態を確認・操作 ・前後スキップ：秒数を自由に設定できる早送り・巻き戻し ・シンプルな操作画面：再生・一時停止・シークバーによる位置調整 【こんな方におすすめ】 ・カラオケや弾き語りの練習で、自分の声域に合わせてキーを変えたい方 ・ボイスメモで録音した弾き語り・カラオケ音源を使って練習したい方 ・テンポを変えずにキーだけ調整できるアプリを探している方 【ご利用にあたって】 ・本アプリはローカル再生を採用しているため、Apple Music等のストリーミング（クラウド）楽曲はキー変更の対象外です。端末にダウンロード済みの楽曲、またはFilesアプリ経由で取り込んだ音声ファイルをご利用ください。 ・ミュージックライブラリへのアクセス許可が必要です。