voice training application

use the voice properly The main purpose is for a corporate training in order to produce correct voice, NOT for musicians or instruments. Features we need are 1) volume, 2) scale, and 3) record/play functions. (see the examples in below) One of the important requirements is that you provide us with source code and some helps for setting up development environment in our side if needed. We will give you further requirments or details later. ======================================= Developmen Environment: Java SE Development Kit (JDK6) Eclipse Android SDK Host PC for the development: Windows7 Android versions: Android 2.3 / 3.2 / 4.0 Network connection during the execution: NO System tool：Disable sleep feature of the device Storage： Permit write permission to user memory Recording： Permit audio recording =========================================== [Training 1 procedure] 1) Play sound (narration) (e.g. lets practice for proucing a sound) ↓ 2) Record user's voice ↓ 3) Check range of the sound volume (Range A) 0 db - x1 db (Range B) x1 db - x2 db (Range C) x2 db - ↓ 4) Play the narration for each result (Range A) Cannot listen. Please try again (Range B) Please try again with a bit more energy. (Range C) Excellent! [Training 2 - scale of sound] 1) Play a narration (e.g. Practice to produce C ↓ 2) Record the user's voice ↓ 3) Check sol-fa C D E F G A B ↓ 3) Play the narration for each result e.g You produced "F". [Training 3 - record and play] 1) Play a narration. e.g. "Let's listen to your own voice" ↓ 2) [Start recording] button -> record user's voice ↓ 3) [Stop recording] button -> Stop recording the user's voice. Replace [Start recording] button to [Record again] button ↓ 4) [Play] button -> play the recorded user's voice ↓ 5) [Record again] button -> record user's voice