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In the form designer, click + Add hidden field, then choose audio audit as the field type.

audio audit: audio-record some or all survey administration (invisibly). If you don't specify any options in the appearance column, the first five minutes of every survey will be recorded. However, you have a range of options available:

  • First, if you want to perform the audio audit on only a proportion of forms, enter p=# into the appearance column (e.g., p=50 to audit a random 50% of forms).
  • Then, for those audits that do take place, you can indicate alternative starting points and alternative recording durations. To start recording a certain number of seconds into a survey, enter s=# into the appearance column (where # is the number of seconds into the survey when recording will begin). To start recording at a random point, enter s=#-# instead, where #-# specifies a range within which to randomly select a start time (again, in seconds). To record for a maximum duration other than 300 seconds, enter d=# into the appearance column (where # is the maximum number of seconds to record; recording will stop after the assigned number of seconds ends or at the end of the survey, whichever comes first).
  • To include multiple parameters in the appearance column, separate them with a semicolon [;] (for example, p=10;s=0-1800;d=120 will record 10% of surveys, starting at a random point within the first 30 minutes of the survey, and lasting for 2 minutes).
  • Alternatively, you can begin and end recording at specific questions. Specify s=startfield to begin recording at the field named "startfield" (i.e., when the user first swipes to the startfield question) and d=endfield to stop recording at the end of the field named "endfield" (i.e., when the user first swipes away from the endfield question). For example, p=10;s=resp_name;d=resp_age will record from the beginning of the resp_name question to the end of the resp_age question – but only for a random 10% of surveys.

To learn more about auditing, please see the help topic on collecting high-quality data.

Platform limitations
Only SurveyCTO Collect supports this field type. It's not supported on the web, as web browsers do not support invisible audio recording. More about platform limitations...

In the spreadsheet form definition:

audio auditfieldname 
audio auditfieldnamep=#
audio auditfieldnamep=#;s=#;d=#
audio auditfieldnamep=#;s=#-#;d=#
audio auditfieldnamep=#;s=startfield;d=endfield

Easy to review in the Data Explorer
Tip: if you monitor incoming data with SurveyCTO's built-in Data Explorer, you can easily download and play audio audits when looking at individual submissions.

Multiple audit fields in a single form

If you wish to have more than one audio audit field in a single form, please keep the following limitations and interactions in mind:

  1. If you have multiple time-based audits in the same form, the form will treat them as mutually-exclusive and at most one of the audits will be captured. Which audio audit is captured (if any) will be determined by the probability you specify for each. For example, if you create two time-based audio audits, one with p=20 (that is, it should be captured for 20% of surveys) and one with p=30 (for 30% of surveys): in any given survey, the first audio audit will be captured if a new random draw is between 0 and 0.20, and the second audit will be captured if the random draw is greater than 0.20 and less than or equal to 0.50.

    Each submission's random draw is a number between 0 and 1, representing probability ranges from 0% to 100%. If you specify p=100 for the first time-based audit in your form (that is, the audio audit should be recorded in 100% of surveys), then only that first audit will ever be triggered; no additional time-based audio audits added to your form will ever be captured.

  2. If you have multiple question-based audits in the same form, they will not be treated as mutually-exclusive and all of them can be triggered and captured, even in the same submission. For example, if you create two question-based audits in your form and specify that one audit be captured from Q1 to Q10 with p=100 (that is, the audio should be captured in all surveys) and another audit be captured from Q15 to Q20, also with p=100: both question-based audio audits will be recorded in every submission. If the field ranges of multiple question-based audits overlap, you may record the same audio in multiple audit attachments.
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