Steinberg Cubase 8 Manual
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Export Audio Mixdown The Export Audio Mixdown dialog 941 The Export Audio Mixdown dialog Below you will find detailed descriptions of the different sections of the dialog and the corresponding functions. About the Channel Selection section The Channel Selection section shows all output and audio-related channels available in the project. These channels are organized in a hierarchical structure that allows you to easily identify and select the channels you want to export. The different channel types are listed below each other, with channels of the same type being grouped in a node (e. g. instrument tracks). • You can activate/deactivate channels by clicking on the checkboxes in front of the channel names. •Cubase Pro only: If Channel Batch Export is activated, you can also activate/deactivate all channels of the same type by clicking on the checkbox in front of the channel type entry. •Cubase Pro only: If Channel Batch Export is activated, you can select/deselect several channels in one go using the [Shift] and/or [Ctrl]/[Command] modifiers and then clicking on any of the checkboxes for the highlighted channels. Note that this toggles the activation status of a channel, i. e. all selected channels that were previously activated will be deactivated and vice versa. If your project contains a large number of channels, it might get difficult to find the desired channels in the Channel Selection section. • To simplify the process of selecting several channels, you can filter the display. Simply type in the desired text (e. g. “voc” to show all tracks containing vocals) in the Filter field below the tree view. About the File Location section In the File Location section you can specify a name and a path for the exported files. Furthermore, you can define the naming scheme for the exported files. At the right of the Name and the Path fields there are two pop-up menus with a number of options:
Export Audio Mixdown The Export Audio Mixdown dialog 942 Naming Options • Select “Set to Project Name” to set the Name field to the project name. • Activate the “Auto Update Name” option to add a number to the specified file name every time you click the Export button. Path Options • Select “Choose…” to open a dialog in which you can browse for a path and enter a file name. The file name will automatically be shown in the Name field. • Select an entry from the Recent Paths section to reuse a path specified for a previous export. This section is only shown after an export has been completed. With the “Clear Recent Paths” option you can delete all entries from the Recent Paths section. • Activate the “Use Project Audio Folder” option to save the mixdown file in the project’s Audio folder. Naming Scheme Clicking the “Naming Scheme…” button opens a separate pop-up window. Here, you can choose a number of elements that will be combined to form the file name. Depending on the settings in the Channel Selection section, different elements are available. The elements are defined as follows: Name The name that you entered in the Name field (in the File Location section). Mixer Index The number of the MixConsole channel. Channel Type The type of audio-related channel that is being exported.
Export Audio Mixdown The Export Audio Mixdown dialog 943 Channel Name The name of the exported channel. Project Name The name of the Cubase project. Counter (Cubase Pro only) This is only available for batch export. Use this to include an incrementing number in the generated files names in order to create unique file names. NOTE By combining the available naming elements, you can make sure that all the files of a batch are exported with unique names. If you have set up a naming scheme that would result in identical file names, a warning message appears when you click the Export button. • To add an element, press the “+” button on the far right, and to remove an element from the naming scheme click the corresponding “-” button. You can also remove an element by dragging it out of the Elements section. • To rearrange the sequence, simply click on an element and drag it to a different position. • To choose a different element for a certain position, click on the element name and select a new entry from the pop-up menu. Each element can only be used once in a naming scheme. The pop-up menu therefore shows only those elements that are still available. Below the Elements section, you will find some additional options: Separator Allows you to enter any character sequence to be used as a separator between the naming elements (e. g. a hyphen enclosed in spaces). Leading Zeros This controls how many leading zeros the Counter and Mixer Index components will have. For example, if you set this to “2”, the numbers from 1 to 10 will be written as 001 to 010. Counter Start Value Here you can enter a number that is used as the first Counter value. The field below these options shows a preview of what the resulting file names will look like. NOTE To close the Naming Scheme pop-up window, simply click anywhere outside the pop-up window. The generated name will now also be shown to the right of the “Naming Scheme…” button.
Export Audio Mixdown The Export Audio Mixdown dialog 944 About the File Format section In the File Format section, you can select the file format for your mixdown files and make additional settings that are different for each file type. RELATED LINKS The available file formats on page 946 About the Audio Engine Output section The Audio Engine Output section contains all the settings related to the output of the Cubase audio engine. The following options are available: Sample Rate (uncompressed file formats only) This setting determines the frequency range of the exported audio – the lower the sample rate, the lower the highest audible frequency in the audio. In most cases, you should select the sample rate set for the project, since a lower sample rate will degrade the audio quality (mainly reducing the high frequency content) and a higher sample rate will only increase the file size, without adding to audio quality. Also consider the future usage of the file: If you plan to import the file into another application, for example, you should select a sample rate supported by that application. If you are making a mixdown for CD burning, you should select 44.100 kHz, since this is the sample rate used on audio CDs. Bit Depth (uncompressed file formats only) Allows you to select 8, 16, 24 bit or 32 bit (float) files. If the file is an “intermediate mixdown” that you plan to re-import and continue working on in Cubase, we recommend that you select the 32 bit (float) option. 32 bit (float) is a very high resolution (the same resolution as used internally for audio processing in Cubase), and the audio files will be twice the size of 16 bit files. If you are making a mixdown for CD burning, use the 16 bit option, as CD audio is always 16 bit. In this case, we recommend dithering. Activate the UV-22HR dithering plug-in (see the separate PDF document “Plug-in Reference” for details). This reduces the effects of quantization noise and artifacts from being introduced when converting the audio down to 16 bit. 8 bit resolution should only be used if required, since it results in limited audio quality. 8 bit audio may be suitable in some multimedia applications, etc. Mono Downmix In Cubase Artist, activate this f you want to downmix the two channels of a stereo bus to a single mono file. In Cubase Pro, activate this if you want to downmix all the subchannels of a stereo or surround channel or bus to a single mono file.
Export Audio Mixdown The Export Audio Mixdown dialog 945 To avoid clipping, the following summing rules are applies: Stereo: The panning law as defined in the Project Setup dialog is applied. Surround (Cubase Pro only): The channels are summed and then divided through the number of channels used (in case of a 5.1. channel = (L+R+C+LFE+Ls+Rs)/6). Split Channels Activate this if you want to export all subchannels of a multi-channel bus as separate mono files. L/R Channels Activate this if you want to export only the left and right subchannels of a multi-channel bus into a stereo file. Real-Time Export Activate this if you want the export to happen in realtime, in which case the process will take at least the same time as regular playback. Some VST plug-ins, external instruments and effects require this in order to have enough time to update correctly during the mixdown – consult the plug-in manufacturers if uncertain. Cubase Pro only: When Realtime Export is activated, the exported audio will be played back via the Control Room. Depending on the CPU and disk speed of your computer, it may not be possible to export all channels simultaneously if Real-Time Export is activated. If an error occurs during the realtime export, the program will automatically stop the process, reduce the number of channels and start again. Afterwards the next batch of files is exported. This is repeated as often as needed to export all selected channels. Due to this splitting of the export process in “runs”, the realtime export might take longer than the actual playback would. RELATED LINKS Dithering on page 379 About the Import into Project section In this section you will find several options for importing the resulting mixdown files back into the existing or into a new project: • If you activate the Pool checkbox, the resulting audio file will automatically be imported back into the Pool as a clip. Use the Pool Folder option to specify in which Pool folder the clip will reside. • If you activate the Audio Track option as well, an audio event that plays the clip will be created and placed on a new audio track, starting at the left locator. If you activate the Audio Track option, the Pool option will automatically be activated as well, and deactivating the Pool option also deactivates the Audio Track option.
Export Audio Mixdown The available file formats 946 • If you activate the “Create New Project” option, a new project is created that contains one audio track for each of the exported channels, as well as the signature and tempo track of the original project. Note that if this is activated, the Pool and Audio Track options are disabled. The tracks will have the corresponding mixdown file as audio event. The track names will be identical with the export channel names. Note that the new project will be the active project. NOTE The Create New Project option is only available if you have selected an uncompressed file format and the Use Project Audio Folder option is deactivated. RELATED LINKS Importing Media on page 513 About the Import Options dialog If you activate any of the options in the “Import into Project” section, the Import Options dialog will open for each exported channel when the export is complete. RELATED LINKS Importing Media on page 513 About the Post Process section In the Post Process section, you can select a process that you want to execute after mixing down your audio file. • If WaveLab 7.0.1 or higher is installed on your computer, you can select “Open in WaveLab” to open you mixdown file in this application after export. • You can select “Upload to SoundCloud” to launch SoundCloud, connect to your user account, and upload your mixdown. The available file formats • AIFF files •AIFC files •Wave files • Wave 64 files •Broadcast Wave files •FLAC files •MP3 files
Export Audio Mixdown The available file formats 947 • Ogg Vorbis files • Windows Media Audio Pro files (Windows only) IMPORTANTIMPORTANTIMPORTANTIMPORTANT Note that the Wave 64 file format is the only format that allows you to export files with a resulting size of more than 2 GB. NOTE Most of the settings described below for AIFF files are available for all file types. Where this is not the case, you will find additional information in the corresponding section. RELATED LINKS AIFF files on page 948 AIFC files on page 949 Wave files on page 949 Wave 64 files on page 949 Broadcast Wave files on page 949 FLAC files on page 950 MPEG 1 Layer 3 files on page 950 Ogg Vorbis files on page 950 Windows Media Audio Pro files (Windows only) on page 951 MP3 Export (Cubase Artist only) This version of Cubase Artist provides a function for exporting your audio mixdown as MP3 files. This function is limited to 20 trial encodings or a trial period of 30 days from the installation date (whichever ends first). After this period, the function will be disabled until you purchase the MP3 encoder for Cubase Artist. • When the MP3 format is selected and you click the Export button, a window opens showing you how many trial encodings you have left. You can upgrade to an unlimited MP3 export function by clicking the “Go to Online Shop” button in the dialog. This will take you to Steinberg’s online shop where you can purchase the upgrade. Note that a working internet connection is required.
Export Audio Mixdown The available file formats 948 AIFF files AIFF stands for Audio Interchange File Format, a standard defined by Apple Inc. AIFF files have the extension .aif and are used on most computer platforms. For AIFF files the following options are available: Insert Broadcast Wave Chunk This allows you to include information about the date and time of creation, a timecode position (allowing you to insert exported audio at the correct position in other projects, etc.) along with author, description, and reference text strings in the exported file. Some applications may not be able to handle files with embedded info – if you get problems using the file in another application, deactivate the option and re-export. Edit button By clicking this button, the Broadcast Wave Chunk dialog opens, where you can enter additional information that will be embedded in the exported files. If you activate the Use this Timecode checkbox in this dialog, the timecode position that is specified in the Timecode field will be used instead of the timecode position that is automatically derived from the left locator. NOTE In the Preferences dialog (Record–Audio–Broadcast Wave page) you can enter default text strings for author, description, and reference that will automatically be displayed in the Broadcast Wave Chunk dialog. Insert iXML Chunk This allows you to include additional project-related metadata, for example, project name, author, and project frame rate in the exported file. Some applications may not be able to handle files with embedded info. If you get problems using the file in another application, deactivate the option and re-export. NOTE In the Project Setup dialog you can find the Author and Company fields that you can use to include the corresponding data in the iXML chunk. These fields are also available in the Preferences dialog (General–Personalization page). Insert Tempo Definition This option is only available if Insert iXML Chunk is activated. When Insert Tempo Definition is activated, tempo information from the tempo track or the Definition tab of the Sample Editor is included in the iXML chunk of exported files. This is useful if you want to use the files in other projects where they need to adapt to the project tempo.
Export Audio Mixdown The available file formats 949 AIFC files AIFC stands for Audio Interchange File Format Compressed, a standard defined by Apple Inc. These files support compression ratios as high as 6:1 and contain tags in the header. AIFC files have the extension “.aifc” and are used on most computer platforms. AIFC files support the same options as AIFF files. Wave files Wave files have the extension “.wav” and are the most common file format on the PC platform. Wave files support the same options as AIFF files and have one additional option: • Don’t Use Wave Extensible Format The Wave Extensible format contains additional metadata, such as the speaker configuration. It is an extension to the normal Wave format that some applications may not be able to handle. If you get problems using the Wave file in another application, activate this option and re-export. Wave 64 files Wave 64 is a proprietary format developed by Sonic Foundry Inc. In terms of audio quality, Wave 64 files are identical to standard Wave files, but in the file headers Wave 64 files use 64- bit values for addressing where Wave files use 32-bit values. The consequence of this is that Wave 64 files can be considerably larger than standard Wave files. Wave 64 is therefore a good file format choice for really long recordings (file sizes over 2 GB). Wave 64 files have the extension “.w64”. Wave 64 files support the same options as AIFF files. Broadcast Wave files Broadcast Wave files are Wave files with additional meta data. To create a Broadcast Wave file, select either Wave or Wave 64 as the file format and activate the Insert Broadcast Wave Chunk option. Click Edit if you wish to edit the chunk information, otherwise the defaults as specified in the Preferences dialog (Record–Audio–Broadcast Wave page) will be used. Broadcast Wave files have the extension “.wav”. Broadcast Wave files support the same options as Wave files.
Export Audio Mixdown The available file formats 950 FLAC files Free Lossless Audio Codec files are audio files that are typically 50 to 60 % smaller than regular Wave files, for example. FLAC is an open source format. Use the Compression Level fader to select the compression level for the FLAC file. Since FLAC is a lossless format, the level has more influence on the encoding speed than on the file size. MPEG 1 Layer 3 files MPEG 1 Layer 3 files have the extension “.mp3”. By use of advanced audio compression algorithms, MP3 files can be made very small, yet maintaining good audio quality. In the File Format section, the following options are available for MPEG 1 Layer 3 files: Bit Rate fader By moving this fader, you can select a bit rate for the MP3 file. As a rule, the higher the bit rate, the better the audio quality and the larger the file. For stereo audio, 128 kBit/s is often considered to result in “good” audio quality. Sample Rate pop-up menu On this pop-up menu you can select a Sample Rate for the MP3 file. High Quality Mode option When this is activated, the encoder will use a different resampling mode, which can give better results depending on your settings. In this mode, you cannot specify the Sample Rate, but only the Bit Rate for the MP3 file. Insert ID3 Tag option This allows you to include ID3 Tag information in the exported file. Edit ID3 Tag button When you click this, the ID3 Tag dialog opens, in which you can enter information about the file. This additional information will be embedded as text strings in the file, and can be displayed by most mp3 playback applications. Ogg Vorbis files Ogg Vorbis is an open source, patent-free audio encoding and streaming technology, offering compressed audio files (extension “.ogg”) of small size, but with comparatively high audio quality. In the File Format section you will find only one setting: the Quality fader. The Ogg Vorbis encoder uses variable bit rate encoding, and the Quality setting determines between which limits the bit rate will vary. Generally speaking, the higher the Quality setting, the higher the sound quality but also the larger the files.