NCTAudioStudio is a package of 18 ActiveX Controls DLLs helping you in your work with audio data. It can be used in any development environments that support ActiveX automation.

NCTAudioStudio includes the following DLLs:

· NCTAudioFile for reading and writing audio data from and to audio files
· NCTWMAFile for reading and writing audio data from and to WMA audio files
· NCTAudioPlayer for playing audio data
· NCTAudioRecord for recording audio data
· NCTAudioCDGrabber for grabbing music CDs to audio files
· NCTAudioTransform for processing and transforming audio data
· NCTDXTransform for applying preinstalled DirectX filters to the audio file or audio data array
· NCTAudioCompress for compressing and decompressing audio data in memory
· NCTWMABroadcastService dll for broadcasting audio data using HTTP protocol or to push it to a publishing point on a Windows Media server
· NCTDTMFRecognizer for DTMF (Dual Tone Multi Frequency) recognizing
· NCTTextToAudio for conversion text to voice
· NCTAudioInformation for editing tags in audio files
· NCTWaveChunksEditor for editing information "chunks" in an audio file with The Radio Industry's Traffic Data WAVE File Standard specification
· NCTAudioLibrary for organization of audio files at your local disks
· NCTAudioDesign for designing audio application
· NCTAudioDisplay for visual representation of left and right channels of audio data in process of playback or record
· NCTAudioVisualization for visual representation of audio data in process of playback or record
· NCTAudioVisualizationEx for visual representation of audio data in process of playback or record


Here are some key features of "NCTAudioStudio ActiveX DLL":

· Read and write audio data to and from audio files, including compressed (NCTAudioFile, NCTWMAFile)
· Perform different operations with audio files (conversion, merging and so on) (NCTAudioFile)
· Edit info tags in audio file (NCTAudioInformation)
· Record (NCTAudioRecord) and playback (NCTAudioPlayer) audio data in real-time mode
· Control Mixer Devices in playback (NCTAudioPlayer) and record processes (NCTAudioRecord) in real-time mode
· Grab music CDs to audio files (NCTAudioGrabber, NCTAudioFile)
· Transform audio data (NCTAudioTransform)
· Design audio application (NCTAudioDesign)
· Create data base for your audio files (NCTAudioLibrary)
· Convert text from text file or string to voice (wav file or audio data) (NCTTextToAudio)
· Display audio signal or its spectrum in process of playback or record (NCTAudioVisualization, NCTAudioDisplay)
· Compress and Decompress audio data in memory (NCTAudioCompress);
· Create your own, unique audio formats based on well-known compression algorithms (NCTAudioCompress)
· Broadcast audio via your network or the Internet.


The following audio formats are supported:

· Uncompressed WAV PCM;
· Compressed WAV (GSM, ADPCM, DSP and others);
· MP3 (MPEG 1/2 Layer 3, including VBR);
· MP2 (MPEG 1/2 Layer 2);
· VOX (Dialogic ADPCM);
· RAW audio (PCM, A-Law, U-Law);
· WMA (Windows Media Audio 9);
· AVI (audio stream);
· Ogg Vorbis (ver 1.0);
· MPC (MusicPack);
· G.726, G.723, G.721;
· AIFF (Apple);
· AU (UNIX).


Requirements:

· Sound card
· Microphone (optional)


Limitations:

· The only limitation of our ActiveX controls is the NCT Company logo screen.