Read Aloud

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  Logos allows you to have your computer read your book to you with a computer generated voice. Not all books will have this function. Logos uses your computer’s operating system (e.g. Windows or Mac’s OS X) to actually output the voice, so it is not Logos which controls which voice that is used or the speed that the voice reads the text. Also Logos does not directly read from original languages like Aramaic, Hebrew, or Greek (but with Greek you can buy an additional resource, see below).

Starting Read Aloud

  You can start/stop Read Aloud feature from the resource’s menu (see image below) OR use keyboard shortcut (PC = Ctrl + R, Mac = Cmd + R).

PC Mac

  1. Click on the resource’s icon to open the resource’s menu.
  2. In the drop down menu click on Read aloud. Logos will start reading from your resource. Make sure that you do not have your volume muted.
  • You should position your resource’s starting point at the top of its window before starting Read Aloud
  • You should not scroll while Read Aloud is running, this stops the reading.
  • You can stop Read Aloud by using keyboard shortcut Ctrl + R on PC, Cmd + R on Mac OR use resource menu to Stop reading aloud OR close Read Aloud audio player.

Read Aloud Player

  When Read Aloud is active (started), audio player appears on right side of toolbar. When Read Aloud is stopped (or X clicked to close audio player), audio player disappears.

PC (paused) Mac (playing)

Can pause and resume Read Aloud using audio player on toolbar.

Page turning

Read Aloud reads a page as found in the paper version of your book (for many resources anyway). So if you scroll or try to change the page as viewed on the screen Logos will stop and when you start Read Aloud again it will start at the top of that page (print version). You can turn On page numbering in Visual Filter Menu so that you can see where the paper version page numbers are located. Then if you size you resource’s window so that it fits the paper version’s page you will see Logos change the page being viewed when the Read Aloud feature finishes a page from the paper version.

(click on image to enlarge it)

  • Notice the page numbers in the above image. This shows where pages are divided in the paper version.
  • To show the paper version’s page numbers:


  1. Click on the Visual Filter Menu icon.
  2. In the drop down menu click on Show page numbers to check it.

Changing the Voice or Speed

  To change the voice or the reading speed you will need to do this through controls in your computer’s operating system.

Windows Vista/7/8

  Windows Control Panel has Text to Speech. Your control panel may look different than these images:

Vista Text to Speech Windows 7 Ease of Access * Speech Recognition
  1. Open the Window’s Control Panel, locate Text to Speech then click it (Vista is double click, Windows 7 is single click).
  2. When the Speech Properties window opens make sure Text to Speech tab is selected.

  3. From here you can change which voice that you want to use. You may need to press the Preview button to hear it.
  4. From here you can change the speed at which the voice reads. You may need to press the Preview button to hear it.
  5. When you are satisfied with the voice and its speed, click the OK button.
  6. Now in Logos if you had a resource open prior to the above steps, you will probably need to close that resource and reopen it for the above changes to take effect.
  7. On your keyboard press the key combination Ctrl R (first make sure your resource is the active panel). Logos will start to read from your resource using the changes you made.

Note: Windows Vista/7 includes one SAPI5 voice: Microsoft Anna. Forum has Read Aloud voice discussion

Mac OS X Leopard (10.5) and Snow Leopard (10.6)

  System Preferences has Speech that has Text to Speech settings that are copied by Logos when program launched.

  1. Open System Preferences – click on Apple Logo to display menu – click System Preferences

  2. Click Speech

  3. Click Text to Speech

  4. Click System Voice to choose which voice you prefer – click Play button for sample speech
  5. Click in Speaking Rate selector to change voice speed (or drag indicator to desired speaking rate) – click Play button for sample speech

  6. Launch Logos and open desired resource for reading (or open a layout, then click in resource to focus for reading). If Logos is already open, close and relaunch, then choose resource for reading.
  7. On your keyboard press key combination Cmd R (if USB PC keyboard connected to Mac, press Windows R) to start OR stop reading. Optionally, can click resource menu to start OR stop reading.

Note: Apple’s Mac OS X includes many voices plus OS X Lion has more high quality free voices

Read Aloud Greek from Logos

  You can buy a resource from Logos which will allow Read Aloud to work from the NA27 according to this post Can Logos Read Aloud in Hebrew & Greek?.

Tip: to hear the lemma form of a word, you can use the Right click menu (see item #8 under Lemma).

Third party Voices or Tools

  You can find several posts which discuss third party vendors which offer different voices for your operating system or different tools which can work with your operating system.

Selecting a voice on 64 bit Windows Computers like Windows 7

For those who are running Logos on Windows 7 64-bit and do not like the default Microsoft Anna voice, here is how to select and use other voices (e.g. Paul and Kate from Neospeech / Nextup):

Run C:\Windows\sysWOW64\speech\SpeechUX\SAPI.cpl

This brings up a window that looks just like the Text to Speech window in Control Panel, except that your third-party vendor’s voices will also show up there and can be selected as Windows 7’s default voice. You will have to restart Logos for the new voice to take effect.

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