Alvas.Net

Christmas... It's a perfect time to make a Gift! Two in one till 31..

Wed, 16 Nov 2022 00:00:00 GMT

Christmas... It's a perfect time to make a Gift!

Two in one till 31.12.2022! Buying Alvas.Audio you get Alvas.Audio for .NET Core for free!

Alvas.Audio new version has been published. New AudioCompressionMan..

Mon, 25 Nov 2019 00:00:00 GMT

Alvas.Audio new version has been published. New AudioCompressionManager.ConvertMultistep method allows multistep conversions the audio data from the specified old format to the new format. Also were added:

Web c# and vb.net examples
Drivers c# and vb.net examples

Alvas.Net is happy to announce a new product for .NET Core 3.0 for W..

Tue, 12 Nov 2019 00:00:00 GMT

Alvas.Net is happy to announce a new product for .NET Core 3.0 for Windows: Alvas.Audio.Core v2019.0 is published.

Its capabilities already are almost identical to the capabilities of the good old Alvas.Audio for .NET framework.

Alvas.Audio for .Net Core 3.0 for Windows code name "Natali" beta ve..

Thu, 7 Nov 2019 00:00:00 GMT

Alvas.Audio for .Net Core 3.0 for Windows code name "Natali" beta version has been published. Alvas.Audio.Core capabilities already are almost identical to the capabilities of the good old Alvas.Audio.

WPF c# and vb.net examples
Effects c# and vb.net examples
CDA c# and vb.net examples

Please download here.

Alvas.Audio for .Net Core 3.0 for Windows code name "Julia" beta ver..

Sun, 3 Nov 2019 00:00:00 GMT

Alvas.Audio for .Net Core 3.0 for Windows code name "Julia" beta version has been published. Alvas.Audio.Core capabilities already are almost identical to the capabilities of the good old Alvas.Audio. Please download here.

Alvas.Audio for .Net Core 3.0 for Windows code name "Valentina" beta..

Tue, 29 Oct 2019 00:00:00 GMT

Alvas.Audio for .Net Core 3.0 for Windows code name "Valentina" beta version has been published. Visual Basic .Net examples has been added. Please download here.

Alvas.Audio for .Net Core 3.0 for Windows beta version is published...

Thu, 24 Oct 2019 00:00:00 GMT

Alvas.Audio for .Net Core 3.0 for Windows beta version is published. Please download here.

Christmas... It's a perfect time to make a Gift! Two in one till 31..

Mon, 21 Oct 2019 00:00:00 GMT

Christmas... It's a perfect time to make a Gift!

Two in one till 31.12.2019! Buying Alvas.Audio you get Alvas.Audio for .NET Core 3.0 for free!

Alvas.Audio for .Net Core 3.0 for Windows is coming soon

Fri, 11 Oct 2019 00:00:00 GMT

Alvas.Audio for .Net Core 3.0 for Windows is coming soon

Halloween, Christmas... It's a perfect time to make a Gift! We are ..

Sat, 27 Oct 2018 00:00:00 GMT

Halloween, Christmas... It's a perfect time to make a Gift!

We are happy to offer you a discount on

Alvas.Audio Lifetime Single and Lifetime Team licenses. Please enter coupon code
- "lifetime62" and get 62% discount. Valid till 31 December 2018.
- "lifetime50" and get 50% discount. Valid till 31 January 2019.
Alvas.Audio Single and Team licenses. Enter "plus1year" and get +1 year free updates(up to 42% discount). Valid till 31 January 2019.

Alvas.Audio new version has been published. What's new: Improved s..

Wed, 16 May 2018 00:00:00 GMT

Alvas.Audio new version has been published.
What's new: Improved support for mp3 format.

How to use ReadDataInBytes method?

Fri, 30 Dec 2016 00:00:00 GMT

string fileName = "test.wav"; IAudioRea..

Is it possible to convert into .FLAC files with Alvas.Audio?

Wed, 14 Dec 2016 00:00:00 GMT

string inFile = @"c:\work\flac\1.wav"; Sox.Convert(@"C:..

Alvas.Audio new version has been published. New methods were added:..

Sun, 27 Nov 2016 00:00:00 GMT

Alvas.Audio new version has been published.
New methods were added:

AudioCompressionManager.Mp3ToMono method converts Mp3 Stereo into Mono
AudioCompressionManager.WaveToMono method converts Wave Stereo into Mono

Is it possible to convert mp3 or wav stereo files into mono files (to reduce file size) with Alvas.Audio?

Fri, 25 Nov 2016 00:00:00 GMT

Mp3ToMono(@"d:\down\stereo.mp3"); WavToMono(@"d..

Alvas.Audio new version has been published. New classes and methods..

Sat, 30 May 2015 00:00:00 GMT

Alvas.Audio new version has been published.
New classes and methods were added:

PcmReader is wrapper around IAudioReader for reads and uncompress to PCM (Pulse-code modulation) audio data from the stream.
AudioCompressionManager.GenerateTone method generates tone with specified ToneType (Sine, Square, Sawtooth, Triangle)

Is there a way to join 2 mp3 files into a single one using Alvas.Audio?

Fri, 30 May 2014 00:00:00 GMT

JoinMp3("out.mp3", "in1.mp3","in2.mp3"); sta..

Do you have an example of converting aif to mp3 in C#?

Tue, 15 Apr 2014 00:00:00 GMT

string fileName = @"e:\down\sample.aif"; AiffReader ar = new ..

How to move Ogg file to Wav file with Ogg Vorbis data in C#?

Thu, 10 Apr 2014 00:00:00 GMT

Download and install Ogg Vorbis ACM Codec static void..

How to convert any media file to wav in C#?

Wed, 9 Apr 2014 00:00:00 GMT

static void ToWav() { string fileN..

How to convert audio file to Ogg Vorbis file?

Wed, 9 Apr 2014 00:00:00 GMT

string fileName = @"e:\Down\male.wav"; Sox.Convert(@"c:..

How to convert a uncompressed wave file in PCM format to a wav file compressed in GSM 6.10 Audio Codec?

Wed, 9 Apr 2014 00:00:00 GMT

static void ToWavWithGsm() { strin..

How to convert media file to WMA file?

Wed, 9 Apr 2014 00:00:00 GMT

string fileName = @"e:\Down\test.wmv"; DsConvert.ToWma(..

Alvas.Audio new version has been published. Includes two versions o..

Fri, 4 Apr 2014 00:00:00 GMT

Alvas.Audio new version has been published.

Includes two versions of the library:

Alvas.Audio.dll (compiled under .Net 2.0)
Alvas.Audio40.dll (compiled under .Net 4.0)

New classes and methods were added:

DsConvert.ToWma method converts input audio file to WMA (Windows Media Audio) file
CdDrive class for control CD / DVD devices
CdReader class reads audio data from specified CD Audio track
CdInfo class describes CD-DA (Compact Disc Digital Audio)
TrackInfo class describes CD (Compact Disc) track

Do you have an example on how to play a song 2 seconds before the actual playing song in VB.Net?

Tue, 11 Mar 2014 00:00:00 GMT

Private plex As PlayerEx = New PlayerEx() Sub Play2Se..

I need to create a web application than can convert any audio file entered into a specific format (.wav 8khz mono 16bit PCM maximum file size 65kB). Can Alvas.Audio do this? Is it able to set the maximum file size?

Tue, 11 Mar 2014 00:00:00 GMT

static void ToPcm8khzMono16bit65kB(string fileName) ..

I want to convert MP3 files to WAV (PCM) files on a Window 2008 Server. Is that possible with you library without enabling the Windows feature 'Desktop Experience'?

Thu, 6 Mar 2014 00:00:00 GMT

1) Please download and install X Codec Pack 2) Use code below ..

DsReader does not work in 64-bit mode.

Sun, 9 Feb 2014 00:00:00 GMT

To solve this problem you need to change the settings of the proje..

How to play a WAV file inside of a console application in c#?

Mon, 3 Feb 2014 00:00:00 GMT

class Program { static PlayerEx pl = new Playe..

Alvas.Audio new version has been published. Added Sox class that ca..

Tue, 28 Jan 2014 00:00:00 GMT

Alvas.Audio new version has been published.

Added Sox class that can convert various formats of computer audio files in to other formats. Now supports:

aifc
aiff
au, snd
hcom (Mac FSSD files with Huffman compression)
voc (Creative Technology Sound Blaster format)
wav
gsm (GSM 06.10 (full-rate) lossy speech compression)
lpc10 (Low bandwidth, robotic sounding speech compression)
ogg, vorbis (Xiph.org's ogg-vorbis lossy compression)
wv (WavPack lossless, lossy, and hybrid audio compression)

Alvas.Audio new version has been published. Added new classes that ..

Wed, 18 Sep 2013 00:00:00 GMT

Alvas.Audio new version has been published.

Added new classes that allow you to change the parameters of audio filters in real time:

DmoParam is base class for DMO (DirectX Media Object) paremeter
DmoBoolParam class for DMO boolean parameter.
DmoEnumParam class for DMO enumerated parameter.
DmoIntParam class for DMO integer parameter.
DmoFloatParam class for DMO float parameter.

How to convert multiple audio files at a time in C#. Would that be the best way to handle multi-threading?

Wed, 18 Sep 2013 00:00:00 GMT

// Multiple encoding Wav PCM -> Mp3 private st..

Is there a way to force use a specific audio codec?

Tue, 17 Sep 2013 00:00:00 GMT

The code below shows driver(codec) details for each compatible f..

How to convert from one audio format to another?

Mon, 16 Sep 2013 00:00:00 GMT

To convert from one audio format to another, we can use the GetCom..

Alvas.Audio new version has been published. New classes were added:..

Tue, 16 Jul 2013 00:00:00 GMT

Alvas.Audio new version has been published.

New classes were added:

CafReader class for reading audio data from CAF (Core Audio Format) streams.
CafWriter class for writing audio data to CAF (Core Audio Format) streams.

Alvas.Audio new version has been published. New classes were added:..

Sun, 5 May 2013 00:00:00 GMT

Alvas.Audio new version has been published.

New classes were added:

AiffReader class for reading audio data from AIFF (Audio Interchange File Format) streams.
AiffWriter class for writing audio data to AIFF (Audio Interchange File Format) streams.

Alvas.Audio new version has been published. New features: Insert..

Sun, 6 Nov 2011 00:00:00 GMT

Alvas.Audio new version has been published.

New features:

Insert/overwrite recorging modes for RecordPlayer class
Supports insert/overwrite modes for WaveWriter and WaveReadWriter classes
Returns max volume for specified audio format and data
Returns audio data queue length for PlayerEx
Clears audio data queue for PlayerEx
Console example
Windows Service example

Console and multithreaded recording and playback

Sat, 23 Jul 2011 00:00:00 GMT

Question: How to use RecorderEx and PlayerEx in console application ..

Vox audio file format

Sat, 16 Jul 2011 00:00:00 GMT

Question: I found that your vox converter doesn't handle vox file..

Removes DC offset.

Sun, 12 Jun 2011 00:00:00 GMT

DC offset is an offsetting of a signal from zero. It occurs when h..

Converts Mp3 Joint Stereo to mono.

Sun, 12 Jun 2011 00:00:00 GMT

Question: Have you got any issues with "Joint-Stereo" MP3's? I ha..

Resampling and noise.

Sun, 12 Jun 2011 00:00:00 GMT

Very often we have to change the sampling rate, number of channels..

Audio Readers.

Sun, 12 Jun 2011 00:00:00 GMT

Audio Readers is a hierarchy of Alvas.Audio classes that implement..

Audio and File formats.

Sat, 28 May 2011 00:00:00 GMT

Audio file formats can be with a header, without header and with h..

Asp.Net Audio Converter

Fri, 27 May 2011 00:00:00 GMT

Converts audio files with Alvas.Audio in Asp.Net application as ea..

Alvas.Audio and WPF.

Wed, 11 May 2011 00:00:00 GMT

To use Windows Forms controls in Windows Presentation Foundation(WPF..

Alvas.Audio new version has been published. New features: Suppor..

Mon, 4 Apr 2011 00:00:00 GMT

Alvas.Audio new version has been published.

New features:

Supports x64 mode on 64-bit operating systems.
WaveformVisualizer draws picture of the sound amplitude-time representation (Waveform).
Removes DC offset. DC offset is an offsetting of a signal from zero. Occurs when hardware, such as a sound card, adds DC offset to a recorded audio signal.
AuReader reads an audio data from the .AU and .SND streams.
ToFormat method converts audio data to the specified audio format.
Normalize method raises the volume so that the highest sample level reaches a maximum level.
Swaps stereo channels.
Inverts the audio signal to 180 degrees. All positive values in the wave form are replaced by negative and vice versa.
Frees memory previously allocated for audio format.
Creates 32-bit IEEE Float audio format.
Performs resampling audio data from and to 8/16/24/32-bit integer PCM and 32-bit IEEE Float audio formats.
Windows Presentation Foundation (WPF) example

Alvas.Audio new version has been published. New features: Suppo..

Sun, 9 Jan 2011 00:00:00 GMT

Alvas.Audio new version has been published.

New features:

Support audio filters such as Chorus, Compressor, Distortion, Echo, Flanger, Gargle, I3DL2Reverb, ParamEq, WavesReverb.
Helper for converting Mp3 file to Wav file with PCM (Pulse-code modulation) data
Helper for decoding audio data in PCM (Pulse-code modulation).
Helper for decoding audio data in PCM (Pulse-code modulation) 16 bit
Create fade in/out effect
Create silence
Allows to work SoundLevelMeter and RecordPlayer together

How to save audio to mp3 on Silverlight 4.

Sun, 28 Feb 2010 00:00:00 GMT

As you know Silverlight 4 supports access to the microphone. Besides..

ID3 tags for Wave files.

Mon, 15 Feb 2010 00:00:00 GMT

ID3 (Identify a MP3) is metadata container most often used for MP3 a..

What is ACM driver?

Mon, 15 Feb 2010 00:00:00 GMT

Audio Compression Manager (ACM) is the Windows multimedia framework ..

How can be one audio file mixed to another?

Mon, 15 Feb 2010 00:00:00 GMT

Question: I have multiple audio tracks with nothing but music. I ha..

Alvas.Audio new version has been published. New features: Write..

Mon, 1 Feb 2010 00:00:00 GMT

Alvas.Audio new version has been published.

New features:

Writes ID3 tag version 1 from MPEG Layer3 streams.
Writes INFO metadata(similar mp3 tags) from Wave streams.
Checks audio signal silence.

What is compressed audio format?

Thu, 7 Jan 2010 00:00:00 GMT

Audio compression is a kind of data compression developed to reduc..

What is a PCM format?

Wed, 30 Dec 2009 00:00:00 GMT

PCM (Pulse-code modulation) is an uncompressed audio format. We ge..

What is a Wav-file?

Tue, 29 Dec 2009 00:00:00 GMT

WAVE (WAV) is a container format for recording the digitized audio s..

Alvas.Audio new version has been published. New features: Reads..

Wed, 4 Nov 2009 00:00:00 GMT

Alvas.Audio new version has been published.

New features:

Reads ID3 tag version 1 from MPEG Layer3 streams.
Reads INFO metadata(similar mp3 tags) from Wave streams.
Gets the format list for specified format tag and driver.
Player class can plays Wave file data from array.

Alvas.Audio new version has been published. New features: DsRead..

Thu, 19 Mar 2009 00:00:00 GMT

Alvas.Audio new version has been published.

New features: DsReader class for playback any audio files and decode theirs to PCM using DirectShow filters. Standard supports

MP3 Format Sound: .mp3
Windows Media Audio: .wma
AIFF (.aif .aifc .aiff)
AU (.au .snd)
MIDI (.mid .midi .rmi)
Windows Media Video: .wmv
Advanced Systems Format: .asf
Motion Picture Experts Group: .mpeg
Audio-Video Interleaved: .avi
WAV: wav

Use X Codec Pack to expand the list of supported formats to

Matroska (.mka)
MPEG (.mpa .mp2 .m1a .m2a)
MPEG4 (.m4a .aac)
Musepack (.mpc)
RealMedia (.rm .rmvb .ra .ram)
3GP (.3gp .3gpp .3g2 .3gp2)
FLAC (.flac)
Ogg Vorbis (.ogg)
WavPack (.wv)
Monkey's Audio (.ape)
True Audio (.tta)
Apple Lossless Audio Codec (.alac)
AMR (.amr)
Trackers (.xm .s3m .it .mod .umx)
and much more...

Alvas.Audio for .Net code name "Helena" 65b1 beta has been released...

Wed, 4 Mar 2009 00:00:00 GMT

Alvas.Audio for .Net code name "Helena" 65b1 beta has been released.

New features: DsReader class for playback any audio files and decode theirs to PCM using DirectShow filters. Standard supports

MP3 Format Sound: .mp3
Windows Media Audio: .wma
AIFF (.aif .aifc .aiff)
AU (.au .snd)
MIDI (.mid .midi .rmi)
Windows Media Video: .wmv
Advanced Systems Format: .asf
Motion Picture Experts Group: .mpeg
Audio-Video Interleaved: .avi
WAV: wav

Use X Codec Pack to expand the list of supported formats to

Matroska (.mka)
MPEG (.mpa .mp2 .m1a .m2a)
MPEG4 (.m4a .aac)
Musepack (.mpc)
RealMedia (.rm .rmvb .ra .ram)
3GP (.3gp .3gpp .3g2 .3gp2)
FLAC (.flac)
Ogg Vorbis (.ogg)
WavPack (.wv)
Monkey's Audio (.ape)
True Audio (.tta)
Apple Lossless Audio Codec (.alac)
AMR (.amr)
Trackers (.xm .s3m .it .mod .umx)
and much more...

Direct link: http://alvas.net/Download/Alvas.Audio.65b1.zip

Alvas.Audio new version has been published. New features: Recor..

Tue, 3 Feb 2009 00:00:00 GMT

Alvas.Audio new version has been published.

New features:

RecordPlayer class for recording and playback.
WaveReadWriter, Mp3ReadWriter, RawReadWriter and IAudioReadWriter classes to read/write data from/to the audio stream.
MergeStereo methods for merging 2 audio mono into one stereo.
Doesn't use unsafe code.

Due to high demand Alvas.Audio lifetime license with free updates fo..

Sat, 24 Jan 2009 00:00:00 GMT

Due to high demand Alvas.Audio lifetime license with free updates for all of the following releases appeared.
For more details please see order page.

Alvas.Audio for .Net code name "Anna" 61b1 beta has been released. ..

Fri, 23 Jan 2009 00:00:00 GMT

Alvas.Audio for .Net code name "Anna" 61b1 beta has been released.

New features:

Dictophone class with record/play, forward/backward possibility.
AudioCompressionManager.MergeStereo methods for merges 2 mono streams to one stereo.
Much more.

Direct link: http://alvas.net/Download/Alvas.Audio.61b1.zip

Alvas.Audio new version has been published. New features: Added..

Thu, 4 Dec 2008 00:00:00 GMT

Alvas.Audio new version has been published.

New features:

Added support for recording and playback in WAV format with 32 bits floating point format (WAVE_FORMAT_IEEE_FLOAT).
Added support for recording and playback in WAV format with 24 and 32 bits PCM format with more than two channels.
Can use PlayerEx and RecorderEx in the console applications and Windows Services.

Alvas.Audio new version has been published. New classes were added:..

Sat, 12 Jul 2008 00:00:00 GMT

Alvas.Audio new version has been published.

New classes were added:

AcmConverter class converts audio data from one format to another.
AudioReader/AudioWriter are base classes for stream audio readers/writers.
Mp3Reader/Mp3Writer are classes for reading/writing audio data from/to MP3 streams.
AviReader is a class for reading audio data from Avi streams.
RawReader/RawWriter are classes for reading/writing audio data from/to headerless streams. Slinear, Gsm, A-law, mu-law etc.

Alvas.Audio new version has been published. New features: Conve..

Mon, 31 Mar 2008 00:00:00 GMT

Alvas.Audio new version has been published.

New features:

Convert audio wave stream to mp3 stream
Convert Dialogic .vox (adpcm) stream to Mp3 stream
Insert and mix audio data into main audio data with specified offset multiple times
Split stereo audio stream to two mono streams
Reverse audio wave stream
Create audio format for MPEG Layer3 audio data
Sign library with strong name. Now audio library can be added to GAC

Alvas.Audio new version has been published. New features: Chang..

Mon, 26 Nov 2007 00:00:00 GMT

Alvas.Audio new version has been published.

New features:

Change the speed of audio data
Join several pieces of audio in a single
Cut a piece of the audio stream
Insert a piece in the audio stream
Remove a piece of the audio stream
Create audio format from the byte array

Alvas.Audio new version has been published. New features: encod..

Wed, 6 Jun 2007 00:00:00 GMT

Alvas.Audio new version has been published.

New features:

encode and decode Dialogic .vox (adpcm) format data;
play, record and convert RAW headerless format (SLINEAR etc);
change source line volume for recording;
change different volume for stereo mixer line;
change volume for PlayerEx.

Alvas.Audio new version has been published. New! Mixer controls set..

Thu, 18 Jan 2007 00:00:00 GMT

Alvas.Audio new version has been published.

New! Mixer controls set up:

select source line for recording;
change source line volume for recording;
additional controls adjustment. For example, "Mic Boost";
change master volume for playback;
playback muting.

Alvas.Audio new version has been published. Some new features were ..

Thu, 9 Nov 2006 00:00:00 GMT

Alvas.Audio new version has been published.
Some new features were added:

Now PlayerEx can play mixed audio data.
PlayerEx can detect that playing process is complete.

Also some bugs were fixed.

Alvas.Audio new version has been published. Some new features were ..

Mon, 9 Oct 2006 00:00:00 GMT

Alvas.Audio new version has been published.
Some new features were added:

To get the format list for specified WaveFormat.
To get audio stream duration in milliseconds.
To change Wave stream to MP3 stream if Wave stream contains 'MPEG Layer 3' data
To show the dialog box that enables the user to select the waveform-audio format.
To get the WaveFormat for specified format handle.
To get the format for the conversion from the specified format and specified format tag.
To get the format list for the conversion from the specified format.

Alvas.Audio new version has been published. New Features Record ..

Mon, 18 Sep 2006 00:00:00 GMT

Alvas.Audio new version has been published.
New Features

Record audio data:
1. pause and resume recording;
2. get the current sound position;
Play audio data:
1. play uncompressed audio data (PCM);
2. play compressed audio data: IMA ADPCM, Microsoft ADPCM, CCITT A-Law, CCITT u-Law, GSM 6.10, MPEG Layer-3 (mp3) and others;
3. play data from the stream (file stream, memory stream);
4. pause and resume playing;
5. get the current sound position;
6. play data from any player installed in the system (multiple sound cards).
Convert the audio data from one to another audio format.
View the level of the input sound signal.

Alvas.Audio new version allow sound recording in PCM, IMA ADPCM, Mic..

Sat, 7 Jan 2006 00:00:00 GMT

Alvas.Audio new version allow sound recording in PCM, IMA ADPCM, Microsoft ADPCM, CCITT A-Law, CCITT u-Law, GSM 6.10, MPEG Layer-3 (mp3) and other wave file format.

Alvas.Audio new version has been published. Some bug-fixes and impro..

Sun, 27 Mar 2005 00:00:00 GMT

Alvas.Audio new version has been published. Some bug-fixes and improvements.

Alvas.Net is happy to announce a new product for .Net: Alvas.Audio ..

Sun, 4 Apr 2004 00:00:00 GMT

Alvas.Net is happy to announce a new product for .Net:
Alvas.Audio - components collection that allows Your applications to play and record sound.