ByteScout PDF Extractor SDK - VB.NET - Extract Audio from PDF - ByteScout

ByteScout PDF Extractor SDK – VB.NET – Extract Audio from PDF

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How to extract audio from PDF in VB.NET using ByteScout PDF Extractor SDK

Write code in VB.NET to extract audio from PDF with this step-by-step tutorial

Sample source code below will show you how to cope with a difficult task like extract audio from PDF in VB.NET. ByteScout PDF Extractor SDK: the Software Development Kit (SDK) that is designed to help developers with data extraction from unstructured documents like pdf, tiff, scans, images, scanned and electronic forms. The library is powered by OCR, computer vision and AI to provide unique functionality like table detection, automatic table structure extraction, data restoration, data restructuring and reconstruction. Supports PDF, TIFF, PNG, JPG images as input and can output CSV, XML, JSON formatted data. Includes full set of utilities like pdf splitter, pdf merger, searchable pdf maker. It can extract audio from PDF in VB.NET.

Fast application programming interfaces of ByteScout PDF Extractor SDK for VB.NET plus the instruction and the code below will help you quickly learn how to extract audio from PDF. This VB.NET sample code is all you need for your app. Just copy and paste the code, add references (if needs to) and you are all set! Code testing will allow the function to be tested and work properly with your data.

Free trial version of ByteScout PDF Extractor SDK is available on our website. Documentation and source code samples are included.

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ExtractAudio.VS2005.vbproj
      
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <PropertyGroup> <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> <ProductVersion>8.0.50727</ProductVersion> <SchemaVersion>2.0</SchemaVersion> <ProjectGuid>{7B47AE2F-F68A-456C-A7E3-6FFA0FCF8AED}</ProjectGuid> <OutputType>Exe</OutputType> <AppDesignerFolder>Properties</AppDesignerFolder> <RootNamespace>ExtractAudio</RootNamespace> <AssemblyName>ExtractAudio</AssemblyName> </PropertyGroup> <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> <DebugSymbols>true</DebugSymbols> <DebugType>full</DebugType> <Optimize>false</Optimize> <OutputPath>bin\Debug\</OutputPath> <DefineConstants>DEBUG,TRACE</DefineConstants> <ErrorReport>prompt</ErrorReport> <WarningLevel>4</WarningLevel> </PropertyGroup> <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> <DebugType>pdbonly</DebugType> <Optimize>true</Optimize> <OutputPath>bin\Release\</OutputPath> <DefineConstants>TRACE</DefineConstants> <ErrorReport>prompt</ErrorReport> <WarningLevel>4</WarningLevel> </PropertyGroup> <Import Project="$(MSBuildBinPath)\Microsoft.VisualBasic.Targets" /> <ItemGroup> <Import Include="Microsoft.VisualBasic" /> <Import Include="System" /> <Reference Include="Bytescout.PDFExtractor, Version=1.0.0.12, Culture=neutral, processorArchitecture=MSIL"> <SpecificVersion>False</SpecificVersion> </Reference> <Reference Include="System" /> <Reference Include="System.Data" /> <Reference Include="System.Drawing" /> <Compile Include="Program.vb" /> <Compile Include="Properties\AssemblyInfo.vb" /> </ItemGroup> <ItemGroup> </ItemGroup> </Project>

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ExtractAudio.VS2008.vbproj
      
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="3.5"> <PropertyGroup> <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> <ProductVersion>9.0.30729</ProductVersion> <SchemaVersion>2.0</SchemaVersion> <ProjectGuid>{7B47AE2F-F68A-456C-A7E3-6FFA0FCF8AED}</ProjectGuid> <OutputType>Exe</OutputType> <AppDesignerFolder>Properties</AppDesignerFolder> <RootNamespace>ExtractAudio</RootNamespace> <AssemblyName>ExtractAudio</AssemblyName> <OldToolsVersion>2.0</OldToolsVersion> <TargetFrameworkVersion>v3.5</TargetFrameworkVersion> </PropertyGroup> <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> <DebugSymbols>true</DebugSymbols> <DebugType>full</DebugType> <Optimize>false</Optimize> <OutputPath>bin\Debug\</OutputPath> <DefineConstants>DEBUG,TRACE</DefineConstants> <ErrorReport>prompt</ErrorReport> <WarningLevel>4</WarningLevel> </PropertyGroup> <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> <DebugType>pdbonly</DebugType> <Optimize>true</Optimize> <OutputPath>bin\Release\</OutputPath> <DefineConstants>TRACE</DefineConstants> <ErrorReport>prompt</ErrorReport> <WarningLevel>4</WarningLevel> </PropertyGroup> <Import Project="$(MSBuildToolsPath)\Microsoft.VisualBasic.Targets" /> <ItemGroup> <Import Include="Microsoft.VisualBasic" /> <Import Include="System" /> <Reference Include="Bytescout.PDFExtractor, Version=1.0.0.12, Culture=neutral, processorArchitecture=MSIL"> <SpecificVersion>False</SpecificVersion> </Reference> <Reference Include="System" /> <Reference Include="System.Data" /> <Reference Include="System.Drawing" /> <Compile Include="Program.vb" /> <Compile Include="Properties\AssemblyInfo.vb" /> </ItemGroup> <ItemGroup> </ItemGroup> </Project>

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ExtractAudio.VS2010.vbproj
      
<?xml version="1.0" encoding="utf-8"?> <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0"> <PropertyGroup> <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> <ProductVersion> </ProductVersion> <SchemaVersion>2.0</SchemaVersion> <ProjectGuid>{7B47AE2F-F68A-456C-A7E3-6FFA0FCF8AED}</ProjectGuid> <OutputType>Exe</OutputType> <AppDesignerFolder>Properties</AppDesignerFolder> <RootNamespace>ExtractAudio</RootNamespace> <AssemblyName>ExtractAudio</AssemblyName> <OldToolsVersion>3.5</OldToolsVersion> <TargetFrameworkVersion>v4.0</TargetFrameworkVersion> </PropertyGroup> <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> <DebugSymbols>true</DebugSymbols> <DebugType>full</DebugType> <Optimize>false</Optimize> <OutputPath>bin\Debug\</OutputPath> <DefineConstants>DEBUG,TRACE</DefineConstants> <ErrorReport>prompt</ErrorReport> <WarningLevel>4</WarningLevel> </PropertyGroup> <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> <DebugType>pdbonly</DebugType> <Optimize>true</Optimize> <OutputPath>bin\Release\</OutputPath> <DefineConstants>TRACE</DefineConstants> <ErrorReport>prompt</ErrorReport> <WarningLevel>4</WarningLevel> </PropertyGroup> <Import Project="$(MSBuildToolsPath)\Microsoft.VisualBasic.Targets" /> <ItemGroup> <Import Include="Microsoft.VisualBasic" /> <Import Include="System" /> <Reference Include="Bytescout.PDFExtractor, Version=1.0.0.12, Culture=neutral, processorArchitecture=MSIL"> <SpecificVersion>False</SpecificVersion> </Reference> <Reference Include="System" /> <Reference Include="System.Data" /> <Reference Include="System.Drawing" /> <Compile Include="Program.vb" /> <Compile Include="Properties\AssemblyInfo.vb" /> </ItemGroup> <ItemGroup> </ItemGroup> </Project>

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Program.vb
      
Imports Bytescout.PDFExtractor Class Program Friend Shared Sub Main(ByVal args As String()) ' Create Bytescout.PDFExtractor.MultimediaExtractor instance Dim extractor As New MultimediaExtractor() extractor.RegistrationName = "demo" extractor.RegistrationKey = "demo" ' Load PDF document ' (!) We do not provide the sample document, please load your own. extractor.LoadDocumentFromFile(".\audio.pdf") Dim i As Integer = 0 ' Initialize sound clips enumeration If extractor.GetFirstAudio() Then Do Dim outputFileName As String = "audio" & i & extractor.GetCurrentAudioExtension() ' Save sound clip to file extractor.SaveCurrentAudioToFile(outputFileName) i = i + 1 Loop While extractor.GetNextAudio() ' Advance sounds enumeration End If ' Cleanup extractor.Dispose() End Sub End Class

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