--- title: "Voice Spectrogram Logger - Reviews, Revenue and Downloads in Japan | Apple App Store" description: "特徴 1. 20 - 2500Hzの範囲で、声紋(スペクトログラム)を表示します。 グラフのスケールは、ピンチイン／アウトで自由に変えられます。 横置きにも対応しています。 2. 感度スライダーで、スペクトログラムの色合いを、簡単に調整できます。 「設定」タブで基準値の変更、平均・二乗平均を使うことでも調整可能です。 3. ログのスイッチをONにすると、スペクトログラムをpngファイルとして" --- # Voice Spectrogram Logger — Japan > 声紋分析 ![Voice Spectrogram Logger App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/d3/85/ab/d385abe5-d623-6a45-eaaa-51b7de0ed60c/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.png/400x400bb.png) **Developer:** [Yukiko Iwai](https://apptail.io/developer/yukiko-iwai-gbb) **Category:** Education **Rating:** 3.3/5 (4 ratings) **Price:** Free **Bundle ID:** jp.co.jrcybernet.voice **Store:** Apple App Store **Country:** Japan **Version:** 1.9 (released 2025-12-23) **Original Release:** 2017-09-14 **App Store Link:** [Download on Apple App Store](https://apps.apple.com/jp/app/app/id1277134462) **AppTail Page:** [https://apptail.io/app/voice-spectrogram-logger-Zcpe/japan](https://apptail.io/app/voice-spectrogram-logger-Zcpe/japan) ## Voice Spectrogram Logger Description 特徴 1. 20 - 2500Hzの範囲で、声紋(スペクトログラム)を表示します。 グラフのスケールは、ピンチイン／アウトで自由に変えられます。 横置きにも対応しています。 2. 感度スライダーで、スペクトログラムの色合いを、簡単に調整できます。 「設定」タブで基準値の変更、平均・二乗平均を使うことでも調整可能です。 3. ログのスイッチをONにすると、スペクトログラムをpngファイルとして記録します。 履歴タブから過去のスペクトログラムを呼び出し、メールで送信できます。 4. データ通信OFFの状態でも、使用できます。 バックグラウンドでの動作をサポートしています。 5. 技術仕様は以下の通りです。 Sample rate: 44.1kHz Bit depth: 32bit float FFT window function: Blackman FFT samples: 4096 ## Voice Spectrogram Logger Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/aa/ba/66/aaba6697-7bc6-825b-f89b-9115ca61a936/pr_source.png/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/0b/6a/7f/0b6a7f77-b493-0a4f-13bb-8065cf4fbb6e/pr_source.png/2688x1242.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/e0/84/0e/e0840eb3-1cdd-81ea-2907-b9c6c186b04b/pr_source.png/1242x2688.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/93/0e/a1/930ea125-4edc-5a78-d563-d711e5b58e2b/pr_source.png/1242x2688.png) ## Voice Spectrogram Logger Rating Breakdown in Japan - 5 stars: 2 (50%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 1 (25%) - 1 stars: 1 (25%) ## Voice Spectrogram Logger In-App Purchases | Item | Price | |------|-------| | 広告非表示 | ¥600.00 | ## Voice Spectrogram Logger Discovered Keywords - spectrogram ## Voice Spectrogram Logger Available In - [Japan](https://apptail.io/app/voice-spectrogram-logger-Zcpe/japan) - [China](https://apptail.io/app/voice-spectrogram-logger-Zcpe/china) - [United States](https://apptail.io/app/voice-spectrogram-logger-Zcpe/united-states) - [Austria](https://apptail.io/app/voice-spectrogram-logger-Zcpe/austria) - [Australia](https://apptail.io/app/voice-spectrogram-logger-Zcpe/australia) - [Azerbaijan](https://apptail.io/app/voice-spectrogram-logger-Zcpe/azerbaijan) - [Belgium](https://apptail.io/app/voice-spectrogram-logger-Zcpe/belgium) - [Bulgaria](https://apptail.io/app/voice-spectrogram-logger-Zcpe/bulgaria) - [Brunei](https://apptail.io/app/voice-spectrogram-logger-Zcpe/brunei) - [Brazil](https://apptail.io/app/voice-spectrogram-logger-Zcpe/brazil) - 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