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Music: Adjustments

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Our exploration of forScore’s audio playback features continues today with a look at the ways you can adjust how a track is played. This can take two forms: speed adjustments (how slowly or quickly the song plays) and pitch adjustments (which key the song sounds like it’s in). Whether you can do either, and to what extent, depends a little bit on some of the nitty gritty details of iOS’ system APIs, but the rules are straightforward.

As we saw in previous posts in this series, audio can come from different sources. If you’ve linked the current score to an audio file that’s stored locally in the app’s Documents directory, or if you’re working with a recording, then forScore handles playback itself and you’ll have access to pitch adjustment as well as the complete range of speeds—from 25% up to 200% of the track’s original speed.

If you used the system’s shared Music library to pick a song, then how much control you’ll have depends on whether or not the system gives forScore read-only access to the audio file itself. This is usually the case, but if a track uses DRM or has not been downloaded to your device and playback is streamed, then forScore won’t be able to make pitch adjustments and your speed options will be limited to 50%, 75%, or 100% of the track’s original speed.

Pitch adjustments can transpose a track by up to an octave in either direction with granular control of both semitones and cents. Use the sliders to make quick changes to either, and tap the plus and minus buttons on the right-hand side of the adjustments panel to make smaller, precise changes.

These adjustments don’t change your audio tracks at all, they just change how you hear them when playing them with forScore. The adjustments can be reversed at any time, so feel free to use them as often as you like.

Music: Looping

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Continuing our series on forScore’s audio playback features, today we turn from music sources to actual usage. Once you’ve got your recordings or tracks associated with a score, you’ll want to work with them. The play, pause, and back buttons are fairly straightforward, as is the volume control slider, but there’s much more you can do.

One common example is looping: when you’re learning or practicing a specific portion of a song, it can be helpful to listen to that segment repeatedly rather than having to hear the whole track or manually seek backwards to the right spot each time. To do this, tap the loop button (two curved arrows) and you’ll see the loop points appear above and below the seek slider. The top/left loop indicator shows where your loop will begin, and the bottom/right indicator marks where it will end. Drag these indicators left or right as needed and press play. The track will begin at the beginning of your loop, and will restart back there once it reaches the end of the loop.

If you press play while the current time is set to before or after the loop points, forScore will start you off at the beginning of your loop. Otherwise, you can drag the seek slider to any time in between those points (and press play if not already) and forScore will play from that point. Press the back button while looping to return to the beginning of the loop instead of returning to the beginning of the song like it normally would.

When you’re ready to return to normal playback mode, tap the loop button again. Your loop points are saved automatically, so even though they disappear you’ll be able to reactivate loop mode at any time and pick up right where you left off.

Music: Recordings

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Over the past two weeks we’ve seen how forScore can help you associate audio tracks with specific pieces of sheet music in your library and control playback without leaving the app. First, we discussed linking a score with a track in your iPad’s centralized Music library, then we explored importing and linking a score with an audio file stored in the app’s documents directory instead. There’s one final source of audio, however: recordings.

Recordings are a lot like standard audio files, but instead of importing them through iTunes or by copying them in from other apps, recordings are created within forScore. Choose “record” from the tools menu to show the recording interface which temporarily hides the media box. Tap the microphone icon to start recording, tap again to stop and save or discard the results. The list icon shows all of the recordings you’ve made while viewing the current score, and the close button dismisses the recording interface.

Unlike audio files, which are available for linking to any one or more scores or bookmarks in your forScore library, only recordings made while viewing the current score are shown in the Recordings list (or in the Metadata panel’s audio picker). If you open the Metadata panel and swipe from right to left over a recording in the audio list, you’ll be deleting that recording instead of simply disassociating it from the current piece.

Whether you’re looking to review your own performances or share them with colleagues, forScore’s built-in recording capabilities are a quick and easy way to do so.

Music: Audio Files

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Last week we began our discussion of forScore’s media playback features with a look at associating scores in your library with audio tracks in the iPad’s shared system library. That’s just one source of music, but there’s another: today we’ll be discussing how to do something similar with audio files that copied to forScore’s Documents directory rather than having been purchased through the iTunes store or synced from your computer’s iTunes library.

As a quick recap, associating a score with an audio track is done through the metadata panel. Select the “audio” tab in the lower section of this panel and tap the circled notes icon to choose an item from the system’s music library. Next to that button, though, there’s a similar icon with a document or page shape. That button allows you to choose an audio track that’s stored in forScore’s Documents directory, and virtually everything else about it is the same.

So how do you get audio tracks into the Documents directory? The same way you add PDFs to forScore: copied from your computer using iTunes’ file sharing panel, by using forScore’s services panel to download them from a cloud service like Dropbox, or by importing files from other apps that support the “open in…” function. Once you’ve linked up an audio file, you can control playback just like you would have in last week’s example.

Whether you use the iPad’s shared music library or you copy files over manually really depends on where your music is. If you already bought a track through iTunes, or if you’re using Apple Music to stream songs from the cloud, using the system library is the easiest (and sometimes only) way to access that track. If you’ve already got an MP3 file on your computer or you’re looking for a public domain recording you can download and reference in a hurry, using an audio file is likely going to be an easier method. It’s all up to you, so just pick what makes the most sense in each case and mix and match sources as much as you like.

Music: System Library

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Sometimes it helps to be able to play music while using forScore, and not just have music playing, but also to be able to make it easier to control playback and get the right song ready at the right time. Whether you need some accompaniment while you practice, a backing track on stage, or just need to hear something to help you learn it, audio tracks are the answer.

With forScore, you can do all of these things: associate each score or bookmark in your library with one or more audio tracks so you don’t have to find them every time, and control playback, loop a specific section, change the speed and pitch of the track, and even record yourself and play it back later—all without leaving the app. There’s a lot you can do, so over the next few weeks we’ll be taking a look at different parts of forScore’s media system, starting with the different sources of music you can access.

The first and most common source of music is the iPad’s shared system library, or the Music library (with a capital “M” because it’s the same library you access through the Music app). When you sync music to your iPad through iTunes, or buy a track through the iTunes store on your device, this is where those tracks end up. Developers like us can request read-only access to this information in order to provide additional features. In the lower section of the metadata panel, select the “audio” tab and press the circled note icon (it looks like the iTunes icon). Browse by artist, album, genre, composer, playlist, or view all songs. When you find the track you’d like to use, just tap it. Keep browsing to add other tracks, then tap “Done” to close the media picker.

Once you’ve done that, you’ll see the media box along the bottom of the screen—it appears and disappears along with the navigation bar when you tap the center of the screen. Press play to start your song, drag the seek bar back and forth to go to a specific point in the song, and use the pause and back buttons as needed to control playback. If you have more than one track set up, swipe left or right over the album artwork to change the current song.

Those are the basics, but we’ll be back next week and beyond with much more!

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