Steinberg WaveLab 3 Operation Manual
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WAVELAB Spectrum Editor 11 – 271 Rendering the Master Section processing The selected region’s time range determines the range that will be ren- dered. If you wish to apply the filtering to the whole file, you should use the “Se- lect whole file length” option from the speed menu. •If you click Render in the Master Section with the Spectrum selection tool selected, the rendering will take place without the Rendering preferences dialog opening. It will “process in place” the selection according to the settings in the Spectrum editor dialog. Speed menu options When the Spectrum selection tool is selected, right-clicking in the Spec- trum display will bring up the following items on the speed menu: Item Description Filter Applies the processing (Surgical processing only). Copy selection to cursorThe selected region is copied at the position of the cursor (the fre- quency range remains the same). Copy source to selectionThe region defined as “source” (see “Copy operations” on page 265), is copied at the position of the selected region. Copy source to destination If a source region has been defined (see “Copy operations” on page 265), this function copies the source region to the destination region. Deselect Deselects the region in all channels. Deselect this channel onlyDeselects the region in the selected channel. Swap channels Shifts the selection to the other channel. This can be useful if you want to restore samples in one channel by using samples from the other channel. Jump to selected regionScrolls the display to the current selection. Zoom selected regionZooms the time axis so that the current region occupies half of the window width. Move region forwardsMoves the region selection forward so that it starts after its current end position on the time axis. Move region backwardsMoves the region selection backwards so that it ends before its cur- rent start position on the time axis.
WAVELAB 11 – 272 Spectrum Editor Move region upwardsMoves the selection up to start after its current end on the frequency axis. Move region downwardsMoves the selection down to end before its current start on the fre- quency axis. Move region upwards 1 octaveMoves the selection up by 1 octave on the frequency axis. Move region down- wards 1 octaveMoves the selection down by 1 octave on the frequency axis. Select until start of file Extends the region selection to the start of the file. Select until end of file Extends the region selection to the end of the file. Set whole file length Extends the region selection to the whole file. Select until highest frequencyExtends the selection to the top of the frequency axis. Select until lowest frequencyExtends the selection to the bottom of the frequency axis. Define as source regionStores the current selection as the “source” region. Define source region from cursor Moves the current selection to the cursor position, and stores the re- sult as the “source” region. Show source region Displays the source region. Define as destination regionStores the current selection as the “destination” region. Define destination region from cursor Moves the current selection to the cursor position, and stores the re- sult as the “destination” region. Show destination regionDisplays the destination region. Item Description
WAVELAB 12 – 274 Batch processing Introduction Batch processing is an extension of the Master Section Render function (see “Rendering” on page 239). The big difference is that the Batch Pro- cessor can work on any number of files, and process different files with different settings. However, it also allows you to do a few other things that are not available with the Render function: • Have any number of processors applied. • Use plug-ins not available in the Master Section, see “About the off-line proces- sors” on page 287. • Batch process Montages and wave files simultaneously. • Work on files that aren’t open, and save the processed files directly to disk. • Change the file format and name of files. Furthermore, the Batch Processor is much more effective than rendering multiple files simultaneously, especially when a large number of files are processed. This is because it is more efficient for the computer to pro- cess the files one after the other, rather than sharing the processing power between a number of files, all processed “simultaneously”. The truth is that the Batch Processor in WaveLab is really fast. However, there are a few things that you can achieve with Render in the Master Section that aren’t available from the Batch Processor. The “Ren- der Region” feature (and the “No tail” and “Skip Mute sections” options) are only available in the Render dialog. The “Render Region” feature is of course an ideal way to render multiple files which in turn can be pro- cessed in the Batch processor. • Note that WaveLab also has a specific batch file encoding function, for batch converting files from one format to another. See “Basic procedure” on page 304. • WaveLab also features powerful Batch renaming functions. This is described in the chapter “Batch renaming” on page 307. An example of the advantages of the WaveLab Batch Processor Great care has been taken to make the WaveLab Batch Processor as ef- fective as possible. We would like to give you an example to prove this. If you are not yet familiar with the Batch Processor, you might not under- stand all the details. Still, this text should give you an insight to the inner workings of this extremely useful and effective part of the program. Let’s say you set things up so that a three minute file should be processed through the following chain of effects:
WAVELAB Batch processing 12 – 275 DC Remover –> Denoiser –> Normalizer (first instance) –> Compressor –> Normalizer (second instance) –> MPEG Compression Of these effects, the DC Remover and the Normalizer(s) are Multi Pass effects. This means that the signal needs to pass each of these effects more than once – in this case twice, first for the effect to analyse the sig- nal (gathering data for the processing) and then again for the actual pro- cessing. This is how WaveLab would handle the processing chain in this example: During the first “pass”, the audio is read from the file and passed through the analysis part of the DC Remover. The other processors don’t need to read the signal at this stage and are skipped. Nothing is written to disk, the only result of this pass is the amount of DC removal required. After only a few seconds of analysis (the DC remover does not need to read the whole file), the process starts over. During pass two, the DC remover processes the signal, but it is not saved to disk (which makes the process fast). It also passes through the first Normalizer for analysis so that the program is aware of how much Normal- ization will be required. The other processors are skipped. Pass 1:= disk domain = RAM Transfer AnalysisDC Remover Read file Pass 2:= disk domain = RAM Transfer Process Analysis Read file DC Remover Normalizer Pass 3: Transfer Process AnalysisProcess Process Process = disk domain = RAM Read file DC Remover NormalizerDenoiserCom- pressorNormalizer
WAVELAB 12 – 276 Batch processing During pass three, the signal is processed by the DC Remover, the first Normalizer, the Denoiser and Compressor and is analysed by the second Normalizer. Again, nothing is saved to disk, the only purpose of this pass is to gather information about how much normalization will be required. Time for pass four. Now all information has been gathered so that all the real processing and disk writing can take place during one single pass. Thanks to the unique WaveLab technology, the process finishes much faster than if the file had been read and written to disk by each processor. Furthermore, rounding errors are reduced to a minimum since the audio never leaves the “32 bit domain” (no temporary file is created). This in- creases the overall sound quality even further! Opening the Batch Processor “Use Master Section” (on the Options menu) must be active for batch pro- cessing to be available! There are three basic ways of opening the Batch Processor: • From the Tools menu. This gives you a “clean slate” to start with. You can open as many Batch Processor windows as you like. • From the Render dialog (see “Rendering” on page 239). This takes the current settings in the Master window and converts them into a process list (a sequence). • By using the Auto Split function - see “The Auto Split dialog” on page 342. For the Batch Processor button to be available in the Render dialog, “Whole file” must be selected and “No tail” must be disabled! Pass 4: Transfer Process Process Process Process Process Process Transfer = disk domain = RAM Read file DC RemoverNormalizer DenoiserCom- pressorNormalizer MPEG Encod-Write file
WAVELAB Batch processing 12 – 277 Overview of the Window The Batch Processor window The window is divided into four tabs: The Input tab This is used to set up the files to process. Here you use various tools and functions to assemble lists of files and documents. From the Input tab you can also open the process list, which allows you to specify exactly what type of processing should be performed on the files. The Output tab This is used to specify where the resulting files should be stored, how they should be named and in what format they should be. The Schedule tab This is used to set up priorities and post-processing options. The Presets tab You can create presets of batch settings made on the Input, Output and Schedule tabs. See “Presets” on page 65 for details.
WAVELAB 12 – 278 Batch processing The Input tab – Assembling a list of files The functions described in this section are also available on a speed menu (accessed by right-clicking in the file list). Creating batches You are not only able to process one batch of files, but many. Each batch contains a number of files, and all the files in a batch will be processed iden- tically. However, each batch can use a totally different set of processors. •To create a batch, click the button “Create batch folder” at the top of the list. In addition, if there is no batch at all, one will be created automatically when you add the first file, see below. •To remove a batch, select it and click the Remove button (the red cross). All the files in the batch will be removed from the list as well. The “Create batch folder” button. In this example, there are three batches.
WAVELAB Batch processing 12 – 279 Renaming and setting attributes for a batch To rename a batch, proceed as follows: 1.Select the batch in the list and click on the name icon (the “A”). Alternatively you can hold down [Alt] and double click directly on the batch. 2.Enter the desired name in the dialog. Entering a number instead of a name has a special meaning. This will change the name of the batch to the default name “Batch X”, where X is the number you typed. All the other batches with default names will be renumbered accordingly. 3.If desired, specify an output path for the batch. This is an advanced option that in many cases will not be necessary. You will only need to specify a path here if you want to process a number of batches at the same time and want some of the batches to store their output files in a different directory. See “Setting up file lo- cations and names” on page 292 for details. Setting the order of batches Batches will be processed in the order they appear in the list. If you want a certain batch to be processed first, put it at the top of the list. There are several ways to set the order of batches: •You can move a batch up and down by using the arrow buttons. •You can drag and drop a batch to change the order. Adding and removing files from a batch • Regardless of which method you choose from below, you should first select the batch to which you want to add the files, by clicking on it. This will ensure that the files are added to the right batch. If you forget this, you can always drag files to the right batch later, see “Moving files between batches” on page 282. Adding open documents To add a document that is already open to the list, select it from the doc- ument pop-up menu.
WAVELAB 12 – 280 Batch processing Note that this also works with documents in open Basic Audio CDs and Au- dio Montages. This way you can add and batch process all files that “belong” to a Basic Audio CD or an Audio Montage. Open documents are represented by blue and white miniature window icons. You cannot process files that have never been saved (“Untitled” files). How- ever, you can process files that have previously been saved, but are now open for editing. Adding one or more files via a dialog 1.Click the Add file button. 2.In the file dialog that appears, locate and select the desired files and click Open. Files are represented by yellow icons. Please remember that you can use [Shift] and [Ctrl] in the file dialogs to select as many files as you wish, from the same folder. …brings up the docu- ment pop-up menu. The document button… A file on disk An open document The Add File button.