Each reviewer works nine-hour shifts, processing as many as 1,000 audio clips per shift. In some cases, the recordings are rather boring and consist of simply mining “accumulated voice data for specific utterances such as ’Taylor Swift’.” If employees need “help parsing a muddled word,” they might share the audio files in a chatroom with other employees.
Bloomberg’s report also makes mention of Apple’s efforts in regards to Siri. The report explains that while Apple has “human helpers,” the recordings lack personally identifiable information. After six months, data is stripped of its random identification information, but could be stored for longer periods to improve voice recognition.
The full report from Bloomberg is absolutely worth a read and can be found here.
