FastPlay

A fast, accessible audio player for Windows with support for tempo/pitch shifting, effects, and screen reader accessibility.

Features

• Tempo, pitch, and rate adjustment with multiple algorithms (SoundTouch, Rubber Band, Speedy)
• Audio effects (reverb, echo, EQ, compressor, stereo width, center/vocal cancel)
• Recording/encoding to MP3, OGG, FLAC
• Internet radio streaming with favorites
• YouTube audio playback
• Screen reader support via Universal Speech
• Hotkey support
• Chapter navigation for audiobooks

Prerequisites

• Visual C++ Build Tools (or Visual Studio with C++ workload)
  • Download from Visual Studio Downloads → "Tools for Visual Studio" → "Build Tools for Visual Studio"
  • Install the "Desktop development with C++" workload

Dependencies

BASS Audio Libraries

Download from un4seen.com and place the following in the lib/ folder:

Libraries (.lib files for x64):

• bass.lib
• bass_fx.lib
• bass_aac.lib
• bassmidi.lib
• bassenc.lib
• bassenc_mp3.lib
• bassenc_ogg.lib
• bassenc_flac.lib

DLLs (place in lib/ folder):

• bass.dll
• bass_fx.dll
• bass_aac.dll
• bassmidi.dll
• bassenc.dll
• bassenc_mp3.dll
• bassenc_ogg.dll
• bassenc_flac.dll

SQLite

Download the SQLite amalgamation and place sqlite3.c in the src/ folder.

Universal Speech (optional, for screen reader support)

Clone UniversalSpeechMSVCStatic, build it with c.bat, then place bin-x64\UniversalSpeechStatic.lib in the lib/ folder.

Rubber Band (optional, for high-quality pitch shifting)

Download Rubber Band Library v4.0.0 and extract to deps/rubberband-4.0.0/.

Speedy/Sonic (optional, for fast tempo algorithm)

Place the following in deps/:

• deps/speedy/ - Speedy library source
• deps/sonic/ - Sonic library source
• deps/kissfft/ - KissFFT source

Building

Open a command prompt and run:

build_new.bat

Build Options

Disable screen reader support:

build_new.bat no-speech

Disable Rubber Band:

build_new.bat no-rubberband

Combine options:

build_new.bat no-speech no-rubberband

Running

After building, run FastPlay.exe. DLLs are loaded from the lib/ subfolder.

Project Structure

FastPlay/
├── src/              # Source files
├── include/          # Header files
├── lib/              # BASS libraries and DLLs
├── deps/             # Third-party dependencies (Rubber Band, Speedy, etc.)
├── build_new.bat     # Build script
├── FastPlay.rc       # Resource file
└── FastPlay.exe      # Output executable

License

This project uses the following third-party libraries:

• BASS and related libraries (commercial/free for non-commercial use)
• SQLite (public domain)
• Rubber Band Library (GPL)
• Universal Speech (MIT)