Java inputstream to byte array example

An internal counter keeps track of the next byte to be supplied by the read method. Here is our sample program, which first take a byte array from String for testing purpose. This value is always in the range 0 through count. answered Apr 17, 2012 at 8:45. charset. Note: The getBytes () method used in the program converts a string into an array of bytes. Here's a quick test: In the above example, we have created a byte array input stream named input. Read the contents line by line from BufferedReader and append the lines to StringBuilder. flatMap(inputStream -> /* do something with single InputStream */ Description copied from class: InputStream. Compress Data. let's pretend you want to write this data as is to a file. Aug 8, 2021 · 1) Using BufferedReader and InputStreamReader classes. txt"; // Creates an InputStream. This is the classic way of reading the file’s content into a byte array. available()) will return the exact size of the underlying data: Copy. Dec 2, 2010 · @jaco0646 While it's true you only need to implement the single abstract method, the default implementation of the other method is implemented in terms of read(int) and write(int) so it contains a loop: for (int i = 0 ; i < len ; i++) { write(b[off + i]); } For more efficiency, we can pass the byte array through to the the buffer directly and avoid converting to/from int values and making one 7. In the above example, we have created an input stream using the FileInputStream class. Check if the input stream is positioned in the begging. Think about this: if you make the byte array as long as the length of the input stream, and if the file were to be say, 4GB in size, you would be loading all 4GB of that file into RAM, slowing down your computer and potentially causing a system crash. toByteArray(is); Internally this creates a ByteArrayOutputStream and copies the bytes to the output, then calls toByteArray(). It will complain if it's some other implementation of InputStream. The readAllBytes() method reads all the bytes from an InputStream and returns them as a byte array. This class extends the InputStream interface and comes with an overloaded constructor that accepts a byte array as argument: byte[] byteArray = { 'a', 'b', 'c' }; InputStream In the above example, we have created a byte array output stream named output. However, if the InputStream is a BufferedInputStream, the available () method returns the current May 16, 2020 · Natural way to convert an InputStream to byte array is to use plan Java solution based on ByteArrayOutputStream: buffer. Byte Array to InputStream and OutputStream Example Here is our sample program, which first take a byte array from String for testing purpose. Este método devolve um array de bytes que pode ser passado mais adiante para o construtor String para imprimir dados textuais. com Jan 30, 2023 · Method 1: Using read (byte []) or readAllBytes () In the InputStream class, we have a read () method where a byte array can be passed as a parameter to get the input stream data in the form of a byte array. encodeToString(bytes); Now you can use your String. Let’s learn about a few ways of reading data from files into a byte array in Java. Jul 28, 2021 · Earlier we had seen how to convert InputStream to a byte array, In this article, we will see the opposite of that by creating a simple example of converting byte array to InputStream in action. This read () method returns the byte that is read into the form of an integer and if the input stream is ended this method return -1. net. One solution is to read all data from the InputStream into a byte array, and then create a ByteArrayInputStream around that byte array, and pass that input stream into your method. so you end up with a byte[]. Podemos utilizar o método toByteArray() da classe ByteArrayOutputStream para converter todos os dados num array de bytes. In this example, we will use ByteArrayInputStream to read bytes and put them into byteBuffer until the end of the stream initialStream. This is why you read 1024 bytes at a time, to minimize how much memory is being Oct 1, 2023 · In Java, input stream refers to an ordered flow of data in the form of bytes. Applications that are defining a subclass of the Java InputStream class must provide a method, that returns the next byte of input. An implementation of the answer from Kathy Van Stone:. util. zip. – Feb 21, 2024 · The example reads bytes from a PNG image and prints the bytes in hexadecimal format to the console. Using Files. Reads all bytes from this input stream and writes the bytes to the given output stream in the order that they are read. commons. Once done, convert StringBuilder to String using the toString method. In java 8 we have new way to convert it. Exactly. Don’t forget to close the stream once done. Feb 11, 2016 · The example above also implements EncodingAware. write(data, 0, nRead); } buffer. byte[] buffer = new byte[is. To recreate scenario, I have created a static method, which converts an InputStream to String. I'm having problems with reading the byte arrays in the Client. Jul 28, 2021 · 3) Using FileInputStream and JDK. toByteArray() method from the Apache commons-io package as a convenient alternative to the otherwise verbose Java-only approach. available(); byte [] bytes = new byte [size]; inputStream. read(bytes); Code language: Java (java) This solution works for an InputStream of a fixed size. But, directly copied from HERE (with two fixes applied to the original code): /** * Knuth-Morris-Pratt Algorithm for Pattern Matching */ class KMPMatch { /** * Finds the first occurrence of the pattern in the text. Sep 14, 2021 · This section explains how to turn a byte array into an InputStream using standard Java. Dec 20, 2009 · This is a perfectly fine answer. This allows us to seamlessly use Dec 1, 2012 · Applications that need to define a subclass of InputStream must always provide a method that returns the next byte of input. On return, this input stream will be at end of stream. Apr 15, 2013 · 3. length); The write () method compresses the content of the buffer byte array and writes it to the wrapped output stream. getInputStream(); byte[] data = new byte[100]; int count = stream. newChannel(inputstream); ByteBuffer buf = ByteBuffer. try (BufferedReader buffer = new BufferedReader(new InputStreamReader(inputStream))) {. readAllBytes() Use getBlob to read blob data from database and convert blob data to byte[] array in Java blob data to byte[] array. Jan 17, 2022 · The buffer array is filled, then the loop continues, and overwrites the previous content, starting at the beginning of the array – OneCricketeer Commented Jan 17, 2022 at 15:15 Apr 23, 2012 · Person p = new Person(); // some more code here OutputStream os = new FileOutputStream("persons. byte[] readNBytes (int len) Reads up to a specified number of bytes from the input stream. The byte arrays have a fixed length of 4. Jul 15, 2011 · 1. This method accepts a byte array and it reads the contents of the input stream to the given byte array. How to add Apache Commons IO library to your Java project. May 30, 2012 · Commonly Java methods will accept an InputStream. This method blocks until len bytes of input data have been read, end of stream is detected, or an exception is thrown. file package. It can be done as follows: byte array to string conversion: byte[] bytes = initializeByteArray(); String str = new String(bytes); String to byte array conversion: Apr 12, 2023 · The read () method of ByteArrayInputStream class in Java is used to read the next byte of the ByteArrayInputStream. InputStream; import Apr 19, 2015 · I have a TCP Client in Java which communicates with a C# TCP Server and vice versa. IOUtils; InputStream input; byte[] bytes = IOUtils. public static byte[] readFully(InputStream input) throws IOException { byte[] buffer = new byte[8192]; int bytesRead; ByteArrayOutputStream output = new ByteArrayOutputStream(); while ((bytesRead = input. To set the Charset information is optional. You just need to close it before reading the byte array. encode() method expects a byte array, and our image is in a file. Before the main loop the method initialStream. The write () method performs data compression: byte [] buffer = "Sample Text" . Sep 27, 2018 · I would like to suggest you to use java 7 try-with-resources instead of try-catch-finally. A reset () method is invoked which re-positions the stream to the Mar 17, 2024 · Using String. UTF_8); // Or any encoding. I think the best way to connect InputStream to an OutputStream is through piped streams - available in java. If you want bytes from that, just give a ByteArrayOutputStream. To use the Apache Commons IO library in the Gradle build project, add the following dependency into the build. Java provides ByteArrayInputStream to read an array of bytes as an InputStream. In that case, the system’s default charset will be used. nio. putInt(0xAABBCCDD). available() == 0. reset () Repositions this stream to the position at the time the mark method was last called on this input stream. You can't cast an object to something it isn't. public int read () This method reads the next byte of data from the InputStream. g. MimeUtility) when they get the data source encoding. Using FileInputStream Sep 28, 2017 · A slightly modified version of Bk Santiago's answer makes use of reduce() instead of collect(). Sample code does the following: getArrayFromInputStream() - reads all file bytes to byte array. {. It represents an input stream of bytes. Then read chunks of bytes from the InputStream (without using available(), which should almost always never used) and write these chunks to the ByteArrayOutputStream, until the read() method returns -1. This method does not close the input stream. Anyway, always provide character encoding when converting String to bytes and vice-versa. e. So if you are looking at that kind of precision then you might want to use a byte reading (into the ByteArrayOutputStream) and check the byte array for when the content start (either by converting the same into a string or by checking for the byte code equivalent of Content-Length etc) . import java. file. Feb 19, 2010 · I'm trying to read an image from an URL (with the Java package java. 8 compiler! Thats the reason, why I cant use in. representing an input stream of bytes. Sep 17, 2020 · 4). toString(); return str; } May 4, 2015 · The IOUtils type has a static method to read an InputStream and return a byte[]. getBytes (String charsetName) – encodes using the named charset. – WhiteFang34. Spring does not provide any default implementation for code, but it does provide one for A ByteArrayOutputStream can read from any InputStream and at the end yield a byte[]. mail. Use a ByteArrayOutputStream rather than an ArrayList. This is the index of the next character to be read from the buf array. このメソッドはバイト配列を返し、それを String コンストラクタに渡し Description copied from class: InputStream. write(person); // write person object to the stream. Reads the requested number of bytes from the input stream into the given byte array. But this method has a shortcoming that it can read the data at most the size of the array passed as a parameter. Here is an example to create an A minor. May 27, 2015 · ServletInputStream servletInputStream = (ServletInputStream) inputStream; if the inputStream you are trying to cast is actually a ServletInputStream already. readAllBytes() public String readString(DataInputStream in) throws IOException { String str; byte[] bytes = in. Method & Description. isEqualTo(11); 4. private static byte[] getBytes(InputStream inputStream) throws IOException {. 02. I did it when I get OutputStream from HttpServletResponse and it is CoyoteOutputStream. In the above example, we have created a buffered input stream named buffer along with FileInputStream. Whereas a ByteArrayInputStream contains an internal buffer that contains bytes that may be read from the stream. FileInputStream file = new FileInputStream("input. private static final int PIPE_BUFFER = 2048; // 2 -Create PipedInputStream with the buffer. In other words, the ByteArrayInputStream class can turn a byte array into an InputStream. Use the IOUtils. 2. In general, try to find an existing library that does what you want, and the Apache commons libraries have loads of handy methods. ByteArrayOutputStream output = new ByteArrayOutputStream(); To write the data to the output stream, we have used the write() method. Syntax: Specified By: This method is Apr 19, 2024 · In this tutorial, we’ll take a look at how to convert a byte array to MultipartFile. Consider the following example. 59. //dont know what to write here str = bytes. If it is less than count, then buf[pos] is the next byte to be supplied as input; if it is equal to count, then the next read or skip operation will require more bytes to be read from the contained input stream. "Everything" works fine, except that the content isn't being entirely read from the stream (the image is corrupt, it doesn't contain all the image data) The byte array is being persisted in a database (BLOB). Jan 8, 2024 · Base64. This is the classic way of reading the file's content into a byte array. toByteArray(input); It gives you a one-liner. Nov 15, 2019 · The Java ByteArrayInputStream class, java. Example 2: Convert InputStream to Byte Array using Output Stream Jan 29, 2010 · The simplest way is to create a new ByteArrayOutputStream, copy the bytes to that, and then call toByteArray:. Oct 12, 2023 · Java の write() メソッドを使って Inputstream をバイト配列に変換する. String encoded = Base64. 2. close(); // close the stream. Then call toByteArray () on your ByteArrayOutputStream. Until you close it the output will be incomplete. Edit 1: That is, if the other method also needs to An InputStreamReader is a bridge from byte streams to character streams: It reads bytes and decodes them into characters using a specified charset. txt"); To read data from the input. Apr 25, 2011 · The code using try-with-resources: // take the copy of the stream and re-write it to an InputStream PipedInputStream in = new PipedInputStream(); new Thread(new Runnable() { public void run { // try-with-resources here // putting the try block outside the Thread will cause the // PipedOutputStream resource to close before the Runnable finishes try (final PipedOutputStream out = new Apr 28, 2014 · There would be a slight difference in time couple of ms. The input stream is linked with the file input. See full list on baeldung. Jan 8, 2024 · We provide an array of bytes to the constructor, then the stream iterates through it, byte by byte, in a similar fashion to the example from the previous section: String msg = "Hello World"; int bytesCount = processInputStream(new ByteArrayInputStream(msg. Oct 12, 2023 · Converter InputStream em Byte Array utilizando o método toByteArray() em Java. long. This is a line of text inside the file. Jan 19, 2010 · I'm assuming you mean that 'use' means read, but what i'll explain for the read case can be basically reversed for the write case. txt file, we have implemented these two methods. You can't clone it, and how you are going to solve your problem depends on what the source of the data is. InputStream is; byte[] bytes = IOUtils. Don't forget to close the stream once done. Dec 10, 2008 · @AshishBurnwal The ZipOutputStream is what performs the actual compression and encoding. java. It is important to say, that I must use Java 1. read(buffer)) != -1) { output. How about: ByteArrayOutputStream baos = new ByteArrayOutputStream(); workbook. This method reads one byte at a time from the stream. String file = "c:\temp\data. At first, create a helper class, which creates a DataSource from an InputStream: public class InputStreamDataSource implements DataSource { private InputStream inputStream; public InputStreamDataSource(InputStream inputStream) { this. Files class from the java. getBytes () The String class provides three overloaded getBytes methods to encode a String into a byte array: getBytes () – encodes using platform’s default charset. We use the read() method to read the content from an input stream. byte[] b = new byte[64000]; //lets make a 440hz tone for 1s at 32kbps, and 523. Then once the entire data is in a byte array, an AudioInputStream can be formed Nov 3, 2022 · 0. getEncoder(). Data read from the file: This is a line of text inside the file. Doing it using an InputStream on the other hand, you should be able to get all the bytes. 4k 30 163 209. write(baos); byte[] xls = baos. internet. Harry Joy. MutlipartFile is an interface provided by Spring to receive files in multiple request chunks, so we need some implementation to instantiate a MultipartFile object. * To read an array of bytes from file, use. InputStream input = new FileInputStream("input. To convert byte [] into Byte [] you basically need to do foreach loop and convert each byte into Byte or you can use apache lang3 utils. array(); Of course, if you're doing this repeatedly and concatenating all the results together (which is common when you're doing this kind of thing), allocate a So, from what I have understand, I have the standard Java InputStream type that is an abstract class that is is the superclass of all classes representing an input stream of bytes (so something like as I done in the past). No. Jul 23, 2012 · ByteArrayOutputStream stream = new ByteArrayOutputStream(); OutputStream outStream = stream; If you see the docs for ByteArrayOutputStream you will find that it extends OutputStream. pdf. getBytes()); Data read from the file: This is a line of text inside the file. To convert to a byte array you will have to use serialization still: ByteArrayOutputStream baos = new ByteArrayOutputStream May 8, 2011 · 13. When using Guava library, first we have to wrap byte array with ByteSource object that contains openStream() method which returns InputStream: Feb 28, 2014 · The AudioInputStream typically strips the first bytes from an input stream (because they contain formatting data) and then only provides the frames or samples of that stream. Unfortunately, if you try to do this, JavaSound hands you the following error: Apr 28, 2014 · Byte Array to InputStream and OutputStream. We need to use BufferedReader and Collectors. toByteArray() utility method from the Apache commons-io library: import org. txt"); BufferedInputStream buffer = new BufferedInputStream(file); Jul 3, 2011 · 1. 1. allocate(4). *. We’re using the IOUtils. int size = inputStream. Its simple to convert byte array to string and string back to byte array in java. Create a ByteArrayInputStream around the byte array to read from it. Converting With Java 8 – BufferedReader. io. gradle file. io. Sample Code. toByteArray(); In order to get a full excel file out, you must call the write (OutputStream) method. First, let’s encode a Aug 10, 2021 · It is always advisable to mention the character set while converting the String to a byte array using getBytes method. obtained from getResource(String)). (You can create file so dont create file temp). so all you need to do is converting byte [] into Byte []. toByteArray(is); Here you can use Base64 to convert Byte Array to String. ExampleLive Demoimport java. deleteObject("bucket", "key"); int len) Reads the requested number of bytes from the input stream into the given byte array. this could represent any kind of data which may need special types of conversions (character, encrypted, etc). This flow of data can be coming from various resources such as files, network prog Oct 2, 2009 · No, there is no built-in method to do that. Example: Another way to do this, if the data is actually PCM, is to set the AudioFormat parameters manually. One popular example of this, I have seen is an older version of Apache commons-codec, whi le converting byte array to the hex string. writeContent() - writes content to a new file, in my example pdf_sample2. If you just want to read arrays of bytes from the socket, do this: InputStream stream = socket. Example. Therefore, we need to first convert the file to an InputStream and then read the stream, byte-by-byte, into an array. 25hz. This method may block indefinitely reading from the input stream, or writing to the output stream. Jan 5, 2024 · 3. If it is the end of the file, then it returns -1. txt. Java 8 brings a new lines () method to the BufferedReader. Apr 18, 2014 · If You try ByteArrayOutputStream bos=(ByteArrayOutputStream)outputStream then throw ClassCastException. Here is an example of how you can use the readAllBytes() method to convert an InputStream to May 7, 2012 · 26. asInputStream()) ). * int read (byte b []) method of Java DataInputStream class. available()]; is. Many of those same methods will also accept an URL (e. stream on Objects of type T. Output. Besides the buffer byte array, write () includes two more parameters, offset, and Mar 28, 2024 · Java InputStream class is the superclass of all the io classes i. Returns an int as the next byte of data. we need to know when to use 'new' in the right way. write(buffer, 0, bytesRead); } return output Aug 16, 2010 · Read from input stream and write to a ByteArrayOutputStream, then call its toByteArray() to obtain the byte array. URL) to a byte[]. InputStream; public class Apr 23, 2013 · Yes. Each invocation of one of an InputStreamReader's read () methods may cause one or Apr 17, 2012 · 23. Let’s see how we can make use of it to convert an InputStream to a String: String originalString = randomAlphabetic(DEFAULT_SIZE); InputStream inputStream = new ByteArrayInputStream (originalString. txt"); // open file as a stream. io package, as follow: // 1- Define stream buffer. getBytes(); gzipOs. However with a ByteArrayInputStream it is simpler: String s = new String(bytes, StandardCharsets. toByteArray(); } } In this example, we created ByteArrayOutputStream and write to it blocks of read data from the InputStream. Aug 23, 2015 · Old answer: You can use ByteChannels and read into a ByteBuffer: ReadableByteChannel c = Channels. read(byte[]): Reads some number of bytes from the input stream and stores them into the buffer array b. inputStream = inputStream; } @Override public InputStream getInputStream() throws IOException { return Example of using plain Java to convert an InputStream to a byte []. You can read the whole file to a byte array using ByteArrayOutputStream. Just create a byte array, read the input stream, then create the output stream. * This method reads bytes from input stream and store them in array of bytes. Otherwise, as implementation: I do not think that you need to write to the result stream while you are reading, unless you process this exact stream in another thread. Here is the code to read a file into a byte array using FileInputStream class in Java: 01. read(data); The variable count will contain the number of Jul 28, 2021 · Sometimes we need to convert InputStream to byte array in Java, or you can say reading InputStream as a byte array, In order to pass output to a method that accepts byte array rather than InputStream. The ByteArrayInputStream class is a subclass of the InputStream class, so you can use a I´m using TCP- sockets and streams to send / receive data. In this Java tutorial, we learn how to read the InputStream object as a byte array using IOUtils utility class of Apache Commons IO library. If you mean you want to delete the object from s3, that's as easy as: s3. public int read (byte [] r, int off, int len) This method reads upto len number of bytes starting from off from the input stream into an array. Mar 6, 2020 · How to convert an input stream to byte array in java - The InputStream class in Java provides read () method. Jun 28, 2012 · 2. Note: This approach converts “\r” or “\r\n Dec 14, 2022 · In Java, reading a file to byte array may be needed in various situations. os. This method blocks until input data is available, end of file is detected, or an exception is thrown Apr 27, 2020 · 3) Using FileInputStream and JDK. ByteArrayInputStream, of the Java IO API enables you to read data from byte arrays as streams of bytes. toObject(byteArray); There is nice way to do this is using IOUtils to convert the InputStream into a Byte Array something like. *; public class Zipper. Since Java 9, InputStream provides a method called transferTo with the following signature: public long transferTo(OutputStream out) throws IOException As the documentation states, transferTo will: Reads all bytes from this input stream and writes the bytes to the given output stream in the order that they are read. Jan 25, 2022 · In given below example, InputStreamReader will read the characters from the input stream fis, that in turn reads the bytes from the file data. getBytes (Charset charset) – encodes using the provided charset. IOException; import java. The charset that it uses may be specified by name or may be given explicitly, or the default charset may be used. すべてのデータをバイト配列にまとめるには、 ByteArrayOutputStream クラスの write() メソッドを利用することができます。. . Convert byte array to InputStream using Guava. Then, we access and return those compressed, encoded bytes from that underlying stream to return them. getBytes())); assertThat(bytesCount). Note that big-endian is the specified default, and the methods are "chainable", and the position argument is optional, so it all reduces to: byte[] result = ByteBuffer. It takes the bytes from the array and produces a compressed stream of bytes that are fed to the ByteArrayOutputStream. May 16, 2020 · Convert InputStream to ByteBuffer using plain Java. They communicate by sending over byte arrays. The number of bytes actually read, possibly zero, is returned. apache. Well, you still can do Arrays. Apr 19, 2024 · Here's an example of how you can convert a byte array to an InputStream in Java: byte [] byteArray = // your byte array InputStream inputStream = new ByteArrayInputStream (byteArray); In this example, we use the ByteArrayInputStream class, which extends InputStream, to create an InputStream from the byte array. Here is the code to read a file into a byte array using FileInputStream class in Java: public static byte[] readFile (String file) throws IOException { File f = new File( file); // work only for Sep 4, 2008 · Java 9. answered May 4, 2011 at 4:45. reduce(new InputStream() { public int read() { return -1; } }, (s: InputStream, d: DataBuffer) -> new SequenceInputStream(s, d. You use ByteArrayInputStream when you have an array of bytes, and you want to read from the array as if it were a file. Apr 21, 2024 · 2. void. This method does not close either stream. Nov 1, 2012 · Not sure what you mean by "get it removed", but IOUtils will close the object's input stream when it's done converting it to a byte array. The cast to OutputStream is unnecessary. What's the most popular/straightforward way of converting array of bytes to InputStream object? Thanks in advance. Dec 1, 2011 · DataInputStream din = new DataInputStream(fin); /*. 3. When for example the server sends: [2, 4, 0, 2] [2, 4, 0, 0] The client output is: Connecting to port :10000 . * It returns number of bytes read. Description copied from class: InputStream. The following example uses the ByteArrayInputStream to create an input stream from a byte array "content". read(buf); This read method is attempting to read as many bytes as there is remaining space in the buffer. Very similar, but doesn't require an extra class: Java: body. If the default character set of the platform you are using is ASCII, and if the String is encoded in UTF-8 encoding, characters will be lost during the conversion as given in the below example. *; import java. For a ByteArrayInputStream available() yields the total number of bytes. ByteArrayInputStream input = new ByteArrayInputStream(array); Here, the input stream includes all the data from the specified array. flush(); byte[] byteArray = buffer. Create BufferedReader from InputStream using InputStreamReader. read(buffer); With the read method, we read the bytes into the array of bytes. To read data from the input stream, we have used the read() method. With Apache Commons it is very simple to convert InputStream to byte[], static byte[] toByteArray(InputStream input) but I can't find the opposite method. In this example, we will learn to convert an input stream into the byte array in Java. Then the InputStreamResource (used in the previous tutorial) is a specific Resource implementation of the InputStream. Feb 9, 2013 · The problem is that you are not closing the GZIPOutputStream. InputStream to Byte Array Conversion Using Java 8. For example, passing the information through the network and other APIs for further processing. We have also used the write() method on a FileOutputStream object to write the byte array content in the file. This can prevent the InputStream from being closed by third part libraries (for example java. In that majority of cases, I would recommend passing the stream directly to the method of interest. You need to reorder the finally blocks to achieve this. allocate(numBytesExpected); int numBytesActuallyRead = c. Your conclusions are sound, take a look at the documentation for InputStream. byte[] byteArray = new byte[100]; Byte[] byteObjectArray = ArrayUtils. write (buffer, 0, buffer. try (InputStream is = new FileInputStream(fileName)) { We use FileInputStream to read bytes from an image file. The current position in the buffer. BufferedInputStream; import java. UPDATE: as long as you have the byte array, as @Peter pointed, you have to convert to ByteBuffer. May 16, 2020 · In this example we use ByteArrayInputStream object to create an instance of the InputStream type. The number of bytes actually read is returned as an integer. To convert an InputStream to a byte array in Java, you can use the readAllBytes() method of the java. arrays. public PipedInputStream inPipe = new PipedInputStream(PIPE_BUFFER); Aug 31, 2016 · Given an InputStream called in which contains audio data in a compressed format (such as MP3 or OGG), I wish to create a byte array containing a WAV conversion of the input data. wc me os dt yg ld cw ib ag hk