1. Adobe Premiere Play Button Missing
2. Adobe Premiere Pro Won't Play Video
3. Premiere Pro Video Won't Play
4. Adobe Premiere Video Doesn't Play
5. Adobe Flash Player

There is no sound during playback (preview) in Adobe Premiere Pro on Windows or Mac OS.

To fix this problem, you must first determine which clips have no sound during playback.

Perform the following steps (which create a test clip of color bars with a 1-kHz tone) to determine which clips are missing sound during playback.

In the Project panel, double-click Bars and Tone. The Bars and Tone clip opens in the Source Monitor.

If Bars and Tone clip doesn't open in the Source Monitor, then drag the clip to the Timeline.

Click the Play button in the Source Monitor (or play the clip from Timeline). If you do not hear the tone, then go to Sound is missing from all clips. If you do hear the tone, then go to Sound is missing from some clips.

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If sound is missing from all clips in all projects, then do the following tasks in order:

Your computer could have more than one device that can play back audio (e.g., an internal speaker, external speakers, or headphones). Set your preferred device as the system default sound playback device, and then verify that its volume is not muted or set low.

Use the Control Panel to check your default audio device and its volume setting. If you need additional help using the Control Panel to check these settings, use the following Microsoft Help links:

Adobe Premiere Play Button Missing

Open an Adobe Premiere Pro project that contains audio clips, video clips with audio, or a Bars and Tone clip.

Choose Premiere Pro > Preferences > Audio Hardware.

Choose an audio device:

Premiere Pro: Choose the audio device you want to use from the Adobe Desktop Audio menu (Premiere Pro) or Default Output menu (Premiere Pro CC 2015). Or click the Settings button to open the Settings dialog box, and choose your default audio device.

Premiere Pro CS6: Choose the audio device that you want to use from the Default Device menu.

Play a clip. If you still do not hear sound, then go back to Step 2 and try a different audio device.

Open an Adobe Premiere Pro project that contains audio clips, video clips with audio, or a Bars And Tone clip.

In the Default Device (Premiere Pro CS6) or Device Class (Premiere Pro) pop-up menu, choose an ASIO driver (if one is listed).

Otherwise, choose Premiere Pro WDM Sound (Premiere Pro CS6) or MME (Premiere Pro)

Enable your preferred device:

Premiere Pro: Click the Default Output menu and choose a device.

Premiere Pro CS6: Click the Output tab, then click the box to the left of the device name. Click OK to close the Audio Hardware Settings window.

For best results, enable the device that you chose as the system default playback device in Task 1.

Play a clip. If you still do not hear sound, then go back to Step 2 and try a different driver.

Note:

For more information on Premiere Pro audio drivers and audio hardware preferences, see Audio hardware preferences.

If you don't hear sound after completing the tasks above, then the driver for your computer's sound card could be out-of-date. Many sound card manufacturers frequently update their software drivers. Contact the manufacturer of your sound card or the manufacturer of your computer for an updated driver, or download one from the manufacturer's website. When you have updated the driver, repeat the solutions above.

If no ASIO driver is installed and one is available for your sound card, then download and install the ASIO driver.

If sound is missing only from certain clips or only from clips in a certain project, then do the following tasks in order:

In the Timeline panel, look at the box at the far left or far upper left of each audio track's header. If no speaker icon appears in this box, then the track is disabled. To enable a disabled audio track, click in the box. A speaker icon appears.

In the illustrated example below, the speaker icon (circled) indicates that the Audio 1 track is enabled. On the right side, the empty box indicates that the Audio 1 track is disabled:

Use the Audio Mixer or Timeline panel to determine if an audio track is muted or has low volume, and to increase the volume if necessary.

Premiere Pro: Do one of the following:

• Open the Audio Mixer, choose Window > Audio Clip Mixer > [Sequence Name] or Window > Audio Track Mixer > [Sequence Name].
• In the Timeline panel, look at the box at the left.

If the M next to any of the tracks is highlighted, the audio is muted. Click M to turn sound on.

Premiere Pro CS6: To open the Audio Mixer, choose Window > Audio Mixer > [Sequence Name]. Check for muted or low-volume tracks.

Verify that individual clip's volume is not muted or low. For instructions, see Adjust track volume with keyframes (CS6) or Monitor clip volume and pan using Audio Clip Mixer.

Also verify that individual clips are not disabled. For instructions, see Enable or disable a clip.

If you completed the steps above and you still don't hear sound, the problematic clips could have been encoded with an incompatible codec. Codecs are algorithms for compressing audio and video data. Many different codecs exist. Sometimes, Adobe Premiere Pro can't decode files that were encoded with a poorly designed codec or a codec that is not installed on your computer.

You can download third-party codecs from codec publishers' websites. If the codec used to create the clips isn't available as a QuickTime component, use other software to transcode them with a different audio-encoding format. (Try MPEG Streamclip or QuickTime Player with the QuickTime Pro upgrade.) Then, import the transcoded files into Adobe Premiere Pro.

To troubleshoot codec issues (on both Windows and Mac OS), see Troubleshoot file formats and codecs.

Sometimes, when you import the footage the footage may missing audio or video. To know more about this issue, see the KB article, No sound during playback.

Adobe Premiere Pro Won't Play Video

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If you have issues with slow rendering, try changing the Renderer.

Select File > Project Settings > General > Renderer and change the setting to Mercury Playback Engine GPU Acceleration.

Note:

If the Mercury Playback Engine GPU Acceleration option is dimmed or not available, then check if there is any update available for your GPU drivers.

Delete the preview files and check if the preview works. You can delete render files within Premiere Pro, or by navigating to the folder where they are saved, and deleting them from that location.

If you have preview issues, try deleting the preview files.

Select the sequence and click Sequence > Delete Render Files.

Premiere Pro Video Won't Play

Note:

This option might be greyed out if the timeline is not rendered.

Click File > Project Settings > Scratch Disks. Look for the location specified for Audio/Video Previews. Navigate to that location in macOS Finder or Windows Explorer, and delete the preview files from that location.

Note:

If you delete previews you need to rebuild them manually (Sequence > Render In to Out), otherwise the playback might become choppy.

Why am I getting choppy playback and poor performance?

Many issues that are related to playback and performance are linked to the Media Cache and Media Cache Database. Media Cache contains the.CFA and.PEK files that are generated by Premiere Pro while importing clips for the first time in Project bin. Clearing cache files can help in solving such issues. Follow these steps to clear the cache files.

Select Edit > Preferences > Media Cache on Windows or Premiere Pro > Preferences > Media Cache on macOS.

With Premiere Pro closed, navigate to the location of the Media Cache Files and Media Cache Database and delete the files manually. After you delete the files, empty the trash. For information on how to free up hard disk space by removing cached media files, see Managing the media cache database.

What can I do to optimize the playback performance?

Adobe Premiere Video Doesn't Play

Reduced performance could occur because of two issues:

Adobe Flash Player

Read on to understand how to identify the cause of the issue and troubleshooting guidance.

To check if an effect is responsible for the reduced performance, disable the audio/video effects applied on a sequence to ease the processing load. You can then enable these effects again when you export.

Use Global fx mute button in the Program Monitor to mute all effects at once. Or, disable the effects individually from the Effect Controls panel.

For more information, see Remove Audio/Video effects in Premiere Pro.

Check the MediaCore folder to verify whether the installed plug-ins are compatible with Premiere Pro 2019.

For Windows, the files are at:

C:ProgramFilesAdobeCommonPlug-ins7.0MediaCore.

For macOS, the files are at:

Macintosh HD⁩/ ⁨Library⁩/⁨Application Support⁩/Adobe⁩/⁨Common⁩/⁨Plug-ins⁩/⁨7.0⁩/MediaCore.

Move the plug-ins temporarily from this location to any other folder and check if Premiere Pro is working properly without the third-party plug-ins. If the issue is resolved, then update the plug-ins, or contact the plug-in vendor for a compatible version.

What can I do if I think my hardware setup is not optimal?

Check the System Compatibility Report (Help > System Compatibility Report) in Premiere Pro and see if there are any hardware compatibility issues. Alternatively, check the Premiere Pro System requirements page.

If the system is not able to process the media and the effects applied in real time, it may result in reduced performance. In such cases, try the Proxy Workflow in Premiere Pro to use the proxy functionality and switch between native and proxy formats to get the job done faster.

Sometimes you may face issues where the playback doesn’t work after hitting the play button. Usually, such issues occur due to Audio Hardware not being configured properly.

Select Edit> Preferences> Audio Hardware, to check the computer audio device and the Device Class settings (ASIO/MME for Windows OS or CoreAudio for macOS) that is used by Premiere Pro for audio playback and recording. For more information, see Audio Hardware preferences.

Check for external audio devices in the Default Input/Output and try to disable them. For example, you can disable external mic, Webcam, third-party audio playback devices such as AJA or BlackMagic, USB MICs, or monitor speakers.

On Windows machines, try to disable all the devices except Realtek listed under Sound Control panel.

On macOS, try to create an aggregate device by selecting built-in input/output devices and then select that aggregate device as Default Input/Output under Audio Hardware preferences of Premiere Pro.

Once the third-party audio devices and interfaces are disabled, check if the playback is restored.

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