Steinberg Wavelab Elements 8 Manual
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Loops About Looping Seemingly Unloopable Audio 281 Loop Tone Uniformizer Dialog This dialog allows you to create sounds that loop from audio that seems unloopable. These are normally sounds that constantly decay in level or continuously change in timbre. In the Audio Files workspace, select Process > Loop Tone Uniformizer. The Loop Tone Uniformizer dialog consists of the following tabs: Uniformizers Tab This tab allows you to specify the methods that are used to even out the sound that you want to loop. For slice mixing, you must experiment to see how many slices are needed. Generally, the more slices you use, the more natural the sound will be. Slice Mixing Cuts the loop in slices, which are then mixed together to uniformize the sound. For slice mixing, you need to determine the number of slices. Only experimentation can tell how many slices are needed, but generally, the more slices you have, the more natural the sound (to a certain extent). However, the program puts a restriction on the number of slices, so that each one is never shorter than 20 ms. For example, if you specify eight slices, the loop is cut up into eight sections of equal length. These sections are then overlapped and mixed together as one sound which is repeated eight times. This new piece of audio replaces all audio inside the loop in a smart way so that no harmonic cancelation due to phase offsets occurs.
Loops About Looping Seemingly Unloopable Audio 282 Slice Mixing - Number of slices The more slices you have, the more the sound changes. Chorus smoothing This processor uses a method known as phase vocoding to filter the harmonics. This method is recommended for looping ensemble and choir sounds and can drastically change the timbre. Chorus smoothing - Timbre Governs the amount by which the timbral characteristics of the sample should be evened out. The higher the value, the more pronounced the effect. Chorus smoothing - Chorusing Determines the depth of the chorus effect. Chorus smoothing - Enhance Warmth Creates a smoother, warmer sounding effect. Chorus smoothing - Stereo Expansion Increases the width of the sample in the stereo sound image. Pre-Crossfade Tab This tab allows you to crossfade the end of the loop with the start of the newly processed section so that transition into the newly looped section is smoother during playback. Use the envelope drag points or value sliders to adjust the cross fade. You need to use this feature since the Loop Tone Uniformizer itself changes the timbre only inside the loop. This means that the transition into the loop is not as smooth as expected unless you apply crossfading.
Loops About Sample Attributes 283 Crossfade audio before loop with audio of end of loop Enables crossfading, which is applied when you click Apply. Length Determines the section length of the audio file to be used in the crossfade. Generally, you want the post-crossfade to be as short as possible, with an acceptable result: • A long crossfade produces a smoother loop. However, more of the waveform is processed, which changes its character. • A shorter crossfade affects the sound less, but the loop is not as smooth. Shape (from equal gain to equal power) Determines the shape of the crossfade. Generally, use low values for simple sounds and high values for complex sounds. About Sample Attributes Sample attributes allow you to define settings for an audio sample before loading it into a hardware or software sampler. Sample attributes do not process the sample, they just provide the file properties that the receiving sampler can use. This includes information about the pitch of the sample, which can be detected automatically, the key range that the sample should span, and the velocity range to occupy. For WAV and AIFF files, this information is stored in the header of the file. By default, there are no sample attributes in an audio file. NOTE Depending on your sampler and the protocol that you use for communicating, the sample attributes may not be supported. Editing Sample Attributes PROCEDURE 1.In the Audio Files workspace, open the Sample Attributes window. 2. In the Sample Attributes window, select Create.
Loops About Sample Attributes 284 3. Optional: If you want to automatically detect the pitch of an audio selection, select an audio range, and select Detect from audio selection. 4. Specify the sample attributes. 5. Save the audio file to store the sample attributes settings in the audio file. The sample attribute is only saved in WAV and AIFF files. Sample Attributes Window In this window, you can create sample attributes for an audio sample. In the Audio Files workspace, select Workspace > Specified tool windows > Sample Attributes. Create/Remove Creates/Removes sample attributes for the active audio file. Tune - Key Specifies which key plays back the sound at its basic pitch. Tune - Detune Specifies whether the sample should be played back at a slightly different pitch. The range is ±50 % of a semitone, which translates into a quarter tone in each direction. Detect from audio selection Detects the pitch from an audio selection. Make sure that the audio selection contains a clearly defined pitch. Key range - High/Low Specifies the key range for the sample if the sample is part of a multi-sample key map. Velocity range - High/Low Specifies the velocity range for the sample if the sample is part of a multi-sample key map with velocity-switchable samples.
285 Importing Audio CD Tracks You can read audio tracks from regular CDs and save them as a digital copy in any audio format on your hard disk. Although WaveLab Elements supports a large number of CD drives, there are some restrictions you need to be aware of: • There are a number of different protocols for retrieving audio from a CD-ROM/CD-R drive. WaveLab Elementssupports as many of these methods as possible, but there are no guarantees that it works with any particular drive. This applies for CD-Text and ISRC. • Observe and respect any copyright notices on the CDs from which you are importing tracks. When importing tracks, they are named “Track XX” by default, where XX is a number starting at 01. The numbering scheme can be changed. NOTE Importing audio CD tracks is technically more complicated than reading files from a CD-ROM or hard disk, because audio sectors can be hard to detect. Some CDs which do not conform completely to the CD standard may cause problems, especially when being copy protected.
Importing Audio CD Tracks Import Audio CD Dialog 286 Import Audio CD Dialog In this dialog, you can import one or more tracks from an audio CD. In any workspace, select File > Import > Audio CD. Menus Functions - CD Info Displays the CD length and the UPC/EAN code, if available. Functions - Extract ISRC codes Reads the ISRC codes and displays them in the track list. Depending on your CD drive, this can take a while. Functions - Examine CD-Text Opens the CD-Text dialog where you can view the CD-Text. Not all CD drives support CD-Text. Functions - Extract CD-Text Extracts the CD-Text and displays a summary in the track list. Rename tracks - Name Renames the tracks according to the selected renaming scheme. Rename tracks - Search track names on the internet (FreeDb) Searches track names from an internet database. If the album is found, the CD track list is updated. Convert - Convert to audio montage (all) Extracts all audio CD tracks and uses them to create an audio montage. Convert - Convert to audio montage (selected tracks) Extracts the selected audio CD tracks and uses them to create an audio montage.
Importing Audio CD Tracks Import Audio CD Dialog 287 Actions Tab Source Select the CD drive from which you want to import audio CD tracks. Speed Here, you select the writing speed. The highest speed depends on the capabilities of your writing device and of the media present in the device. Refresh If you insert a CD while the Import Audio CD dialog is open, you need to click this button to show the contents of that CD in the list. Eject optical medium Ejects the medium of the selected drive. Track list Shows the tracks on the CD. Range - Start/Length Use the Range Start and Length fields to define a start point and length if you want to import only a section of a track. Output - Where Here, you define an output location.
Importing Audio CD Tracks Import Audio CD Dialog 288 Output - File Format Here, you define an output file format. Select All Selects all CD tracks in the track list. Play Plays back the selected CD track. Options Tab Trim silence If this option is activated, silence between imported tracks is removed. Only digital silence is removed, that is, samples with a zero level. Automatically refresh on CD change If this option is activated, WaveLab Elements checks for the presence of a new CD in the drive several times a second. If a new CD is found, the track list display is refreshed. Automatically extract ISRC codes If this option is activated, ISRC codes are automatically extracted when a CD is inserted. Automatically extract CD-Text If this option is activated, CD-Text is automatically extracted when a CD is inserted.
Importing Audio CD Tracks Import Audio CD Dialog 289 Automatically search track names on the internet If this option is activated, track names are automatically searched on the internet when a CD is inserted. Grab pause before first track, if any If this option is activated, when a section of audio is located before the first track, it is extracted together with the first track. This usually corresponds to a hidden bonus track. Use a Japanese CD-Text decoder If this option is activated, CD-Text is interpreted as Japanese the next time it is extracted. Create Peak File If this option is activated, a peak file is created together with the rendered files. Show times with CD frame units If this option is activated, times are shown in CD frame units. There are 75 CD frames per second. Playback through Master Section If this option is activated, the audio track signal goes through the Master Section when playing back. Convert titles and CD-Text to meta-data If this option is activated when importing tracks into an audio format supporting meta-data (for example, MP3 and WMA), the titles of the tracks and the CD-Text are automatically added to the file header. Ultra-Safe Mode (slow) If this option is activated, each CD track is read several times until the same result is found (checksums are used). Specify the number of times that a track should be read with the same result before it is saved to disk. Real audio before and after tracks You can ensure that entire tracks are imported properly by defining how much audio should be read before and after a CD track.
Importing Audio CD Tracks Importing Audio CD Tracks 290 Importing Audio CD Tracks PROCEDURE 1.Insert a CD into the CD-ROM/CD-R device. 2. Select File > Import > Audio CD. 3. In the Source section, select the drive from which you want to read, as well as the read speed. 4. Optional: Rename the files and adjust the numbering scheme. The tracks must have unique names if you want to import them all. 5. Optional: On the Options tab, in the Read audio before and after tracks section, define how much audio should be read before and after a CD track. 6. In the track list, select the tracks that you want to import. 7. Optional: If you have only selected one file, in the Range section, you can define a Start and Length, to import just a part of the track. 8. In the Output section, click the folder icon, and select an output location. You can also drag one or more CD tracks onto an audio montage track. 9. In the Output section, click the file format field, and select a file format for the imported audio files. 10. Click Save. RESULT The tracks are retrieved.