◎網路媒體RAIN是使用從上午6點到午夜12點之間的美國本地平均活躍登入時長（AAS，Average Active Sessions）來做追蹤。值得注意的是，在「平均聆聽時間」的項目中，Pandora比起Spotify的用戶擁有實質性的領先優勢，但這兩個巨頭都輸給AccuRadio；AccuRadio為2.36小時，Pandora為0.55小時，Spotify為0.40小時。
◎Triton Digital第一次在三月份的排名報告中納入了一個智能音箱的圖表，它辨識哪些廣播格式是透過智能音箱播放的，並按總收聽時間的百分比排列。市場開發部總裁John Rosso表示「隨著智能音箱的市場滲透率持續上升，我們看到利用智能音箱聆聽廣播電台內容的情況穩步增長。觀察不同格式的整體消費情況會很有趣，特別是新聞談話節目和Top 40 CHR（當代熱門音樂電台），隨著越來越多的廣播公司採用播客和其他隨選收聽節目的形式，聽眾在烹飪或打掃等家庭活動時使用智能音箱聆聽這些內容的情況也來越多。」
Spotify held its slight lead over Pandora in March stream listening, an advantage established in January after three years of chasing. Aside from that metrics rivalry, the Top 20 group in Triton Digital's Webcast Metrics report gained one percent in overall listening compared to February.
As always, RAIN uses Average Active Sessions (AAS) domestically (U.S. only), in the 6:00am to midnight — a lens we have used to track this report since 2009.
Worth noting: In the Average Time Spent Listening column, Pandora holds a substantial lead over Spotify users — and both giants sit at the feet of AccuRadio in this department:
AccuRadio: 2.36 hours
Pandora: 0.55 hours
Spotify: 0.40 hours
Only four pureplay streamers are in Triton's Top 20, those three plus iHeartRadio (which furnishes online-only playlists, podcasts, and broadcast streams).
Following are the trendlines for March leaders:
Year-over-year, overall webcast listening gained 11%. Leaders in that department were Hubbard and NPR (excluding Beasley and Entercom, whose YoY gains were boosted by acquisitions).
What? Yes, Triton Digital has included a smart speaker graphic in the March Ranker report, for the first time. It identifies which radio formats were played through smart speakers, by percentage of total listening hours. (Broadcast streams only.) This from John Rosso, President, Market Development:
"As the market penetration of smart speakers continues to rise, we are seeing a steady increase in the consumption of broadcast radio content on smart speakers. It'll be interesting to watch how the overall consumption of the different formats, especially News/Talk and Top 40 CHR, change month over month moving forward, as more and more broadcasters embrace podcasting and other on-demand programming that can be consumed via smart speakers during in-home activities such as cooking or cleaning."