
Get in the KNOW
on LA Startups & Tech
XHow LA-Based Super Hi-Fi Hopes to Change Streaming Audio Using AI
Sam primarily covers entertainment and media for dot.LA. Previously he was Marjorie Deane Fellow at The Economist, where he wrote for the business and finance sections of the print edition. He has also worked at the XPRIZE Foundation, U.S. Government Accountability Office, KCRW, and MLB Advanced Media (now Disney Streaming Services). He holds an MBA from UCLA Anderson, an MPP from UCLA Luskin and a BA in History from University of Michigan. Email him at samblake@dot.LA and find him on Twitter @hisamblake

- Super Hi-Fi's AI transports the skills of a trained radio DJ to digital music playlists. Spotify's former head of research Tristan Jehan recently joined as an advisor
- Founded in 2018 by veterans of the digital music business, the company's customers include iHeartMedia, Sonos, Peloton and Octave Music Group
- Its leaders envision a new audio listening experience — where everyone has a personalized, curated playlist, with artful, AI-generated sequences and layers of music, voice clips (e.g. news and podcasts), and branded messaging that drives new revenues to the music industry
Before the beat from "Baby Got Back" that underpins Nicki Minaj's "Anaconda" fades to silence at the song's end, a sound clip pops up, right on rhythm and with a similar energy, telling the listener what streaming service they're listening to. A new track seamlessly takes the baton from the Minaj song before the brief branded message concludes, and continues the upbeat mood as a music bed for a rapid sequence of audio clips – first a voice imploring listeners to get hyped, then a word from Kanye about his interview with Beyoncé, a snippet from that interview, and another in-the-spirit advert – before blending into the intro of the next song, Kanye's "Stronger": all of it interwoven as if it were a single track produced in a recording studio.
It is the automation of this art, once the preserve of skilled radio DJs, that Super Hi-Fi is bringing to the digital music industry. In doing so, the L.A.-based company thinks it can help music services and artists make more money, and give listeners a new and improved way of experiencing audio.
Super Hi-Fi's customers include iHeartMedia,
Founded in 2018 by a group of digital music business veterans, with customers that include iHeartMedia and Sonos, SHF recently announced that Tristan Jehan – a pioneer of applying AI and machine learning to music, most recently as head of Spotify's research team – has joined the company as an advisor.
Streaming, which has been powered in part by Jehan's work on recommendation algorithms, may have saved the music industry from piracy-fueled devastation, but Super Hi-Fi's founders believe companies like Spotify, Apple and Amazon have missed the mark in some important ways.
"We think digital services forgot that the primary user interface is your eardrums, not your eyeballs," Zack Zalon, Super Hi-Fi's chief executive, told dot.LA.
As a result, a listener cannot readily distinguish one service from another, he said. Visual branding can help, but especially as smart speakers grow more popular, listeners will have an increasingly difficult time knowing whether they are tuned in to Spotify, Apple Music, Pandora or any other service.
Zalon and Brendon Cassidy, another co-founder and Super Hi-Fi's chief technology officer, both built digital radio services for CBS, AOL, Yahoo and Cricket Wireless. They contrast the uniformity of streaming services to broadcast radio stations. Two stations in the same city, focusing on the same type of music, still tend to have their own personality, they say.
"It's not just the music," Zalon said. "It's the space between the songs that the radio stations are filling and (thereby) connecting with listeners in an emotional way."
Beyond differentiating the source of the sound, SHF believes that using the space between songs — as radio stations do — can transform the listening experience. Leaving aside stitching in voice clips and layering in all other kinds of audio, they say that even sequencing songs together is fraught with issues.
The two most common types of transitions that digital services use between songs are crossfading and brief pauses.
Pauses create dead air, which iHeartMedia's chief product officer Chris Williams told dot.LA is the "enemy of radio," because it takes listeners out of their flow and puts them in a position to make a decision: namely, whether to keep listening or not. "I want to minimize that," Williams said.
As for crossfading – which Zalon said tends to be applied uniformly across tracks, such as a six-second blend of the end of one song with the start of the next, irrespective of the songs' particulars – it doesn't always work. Williams said crossfading can be done without jarring the user or disrespecting the songs about 50% of the time, and ever less so as longer song lead-ins give way to snappy intros aimed at grabbing listeners' attention from the first note.
"Crossfades create crashes," he said.
A radio DJ, by contrast, is trained to avoid these issues.
"The techniques of trained radio DJs are pretty complicated," Zalon said. "Super Hi-Fi is AI that has all the skills of a trained radio DJ."
This AI is designed to help customers like iHeart provide listeners with custom playlists that artfully blend one song with the next – no matter which song it is – and incorporate additional sonic elements like branded logos, interview clips, voice segments and more to eliminate dead air while respecting the artistry of the underlying songs, and to potentially drive streaming revenues back up to or beyond the levels that CDs generated in their peak.
How Does It Work?
As Super Hi-Fi's first customer, iHeartMedia helped the company fine tune its AI model and algorithms.
"Their pool of some of the world's best music programmers and on-air DJs became in a way like our QA partners," Zalon said.
By now Super Hi-Fi has "fingerprinted" iHeart's entire music catalog – tens of millions of tracks, Williams said – to identify the songs' underlying characteristics: features like volume, rhythm, mood, vocal texture, tempo and more. Lots more.
"The data we have on the music takes up more file space than the music itself," Zalon said.
Super Hi-Fi's AI has also fingerprinted each of iHeart's 700 styles of sonic logo; there's a country version of the "You are listening to iHeart…", a hip-hop version, a reggae version, and so on.
So, too, with any audio file that any customer may want to include in a playlist.
"The real power of the AI is to understand all the content with enough depth to make pretty much any output decision that any service might want," Zalon said.
Results have been good for iHeart. Williams reported that since they've rolled out Super Hi-Fi across their streaming services, the company has seen listening durations double.
"That increases ad impressions," he said. "There are clear business upside reasons beyond aesthetically creating a better experience...and [achieving] clear differentiation [from competitors]."
The Next Song
After having recently reeled in Sonos and its new streaming service as a customer, Super Hi-Fi has its sights set on bigger streaming fish. Jehan may help them get to Spotify, and they'll also look to Apple Music.
Chief business officer John Bolton told dot.LA that Spotify's expansion into podcasts makes them a prime candidate to benefit from Super Hi-Fi's service. He pointed to their "Your Daily Drive" product – a mix of music they know listeners like and relevant news – and said he could see that sort of playlist growing to include podcast snippets, the weather, and various other forms of audio, all tailored to the listener's preferences and location.
"If we see this happen at scale you'll start to see listening experiences become something very different," said Bolton, who helped found Super Hi-Fi after leaving ByteDance, which acquired his social media-meets-music startup Flipagram.
Streaming platforms may well be working on their own blended-audio AI solutions, but Williams says iHeart has benefited by getting in with Super Hi-Fi early.
"Two years from now everyone should have this solution or some version but we'll have already taken this to the next step, so it gives me the opportunity to get ahead," he said.
Music lawyer Ed Buggé, partner at L.A.-based entertainment law firm Hertz Lichtenstein & Young, thinks Super Hi-Fi "could be an attractive target for digital streaming platforms (DSPs) as they look to differentiate their platform offerings."
Spotify's former chief economist agreed. Will Page said a major audio streamer could look to Super Hi-Fi as a way to stand out in a market of look-alike services competing for the same customers.
"All these services offer the same 60 million tracks for the same $9.99 price point. With so much similarity, the value of distinctiveness goes up," he said. "The end game could see it being acquired by a DSP."
More than Music
Even if Super Hi-Fi doesn't lure the big catches in streaming, it can serve other verticals, including digital fitness. Peloton is already a customer.
"They wanted something different," Zalon said. "They want to make sure there's no loss of energy between songs; there's nothing worse than having music drop off in the middle of a workout. So we've been working with them on the roadmap to use the AI to help create an exercise experience that never loses its energy." In addition to blending songs, this will include voice-over instructions from Peloton's instructors.
Retail music is another area the company's targeting. Octave Music Groups, which operates Apple Music for Business and manages the music that customers hear at Starbucks, along with many other bars, restaurants and stores throughout North America and Europe, is another Super Hi-Fi customer.
Just as a radio station manager works with a DJ to set ground rules for branding the station through its sonic choices – running a branded message every 15 minutes, a news break every 30, and keeping segues tight but breezy, for example – each customer works with Super Hi-Fi to customize the AI to fit its desired style.
In exchange for this AI-plus-support service, Super Hi-Fi receives a licensing fee. The company would not disclose its prices or finances, though Bolton said Super Hi-Fi has not raised any outside funding.
He thinks using AI to bring a new level of real-time curation, presentation and personalization can attract more advertising and subscription revenues to the music industry. That's all the more important in an era when live performance has evaporated.
"We have a big, bold vision and tech that can transform playlists into listening experiences that we think will eventually make the industry much more money and provide a much better product for consumers," he said.
---
Sam Blake primarily writes about media and entertainment for dot.LA. Find him on Twitter at @hisamblake and email him at samblake@dot.LA
- Sonos backs LA Podcast Studio QCODE with $6.4M Investment - dot.LA ›
- Rock the Bells' James Cuthbert on Building Hip Hop's Legacy - dot.LA ›
Sam primarily covers entertainment and media for dot.LA. Previously he was Marjorie Deane Fellow at The Economist, where he wrote for the business and finance sections of the print edition. He has also worked at the XPRIZE Foundation, U.S. Government Accountability Office, KCRW, and MLB Advanced Media (now Disney Streaming Services). He holds an MBA from UCLA Anderson, an MPP from UCLA Luskin and a BA in History from University of Michigan. Email him at samblake@dot.LA and find him on Twitter @hisamblake
Subscribe to our newsletter to catch every headline.
Snapchat’s New Controls Could Let Parents See Their Kids’ Friend Lists
Christian Hetrick is dot.LA's Entertainment Tech Reporter. He was formerly a business reporter for the Philadelphia Inquirer and reported on New Jersey politics for the Observer and the Press of Atlantic City.
Snapchat is preparing to roll out enhanced parental controls that would allow parents to see who their teenagers are chatting with on the social media app, according to screenshots of the upcoming feature.
Snap’s parental controls.
Courtesy of Snap.
Snapchat is planning to introduce Family Center, which would allow parents to see who their children are friends with on the app and who they’ve messaged within the last seven days, according to screenshots provided by Watchful, a product intelligence company. Parents would also be able help their kids report abuse or harassment.
The parental controls are still subject to change before finally launching publicly, as the Family Center screenshots—which were first reported by TechCrunch—reflect features that are still under development.
Santa Monica-based Snap and other social media giants have faced mounting criticism for not doing more to protect their younger users—some of whom have been bullied, sold deadly drugs and sexually exploited on their platforms. State attorneys general have urged Snap and Culver City-based TikTok to strengthen their parental controls, with both companies’ apps especially popular among teens.
A Snap spokesperson declined to comment on Friday. Previously, Snap representatives have told dot.LA that the company is developing tools that will provide parents with more insight into how their children are engaging on Snapchat and allow them to report troubling content.
Yet Snap’s approach to parental controls could still give teens some privacy, as parents wouldn’t be able to read the actual content of their kids’ conversations, according to TechCrunch. (The Family Center screenshots seen by dot.LA do not detail whether parents can see those conversations).
In addition, teenage users would first have to accept an invitation from their parents to join the in-app Family Center before those parents can begin monitoring their social media activity, TechCrunch reported.
Christian Hetrick is dot.LA's Entertainment Tech Reporter. He was formerly a business reporter for the Philadelphia Inquirer and reported on New Jersey politics for the Observer and the Press of Atlantic City.
This Startup Wants to Make Testing for ADHD and Dyslexia as Common as Going to an Optician
Keerthi Vedantam is a bioscience reporter at dot.LA. She cut her teeth covering everything from cloud computing to 5G in San Francisco and Seattle. Before she covered tech, Keerthi reported on tribal lands and congressional policy in Washington, D.C. Connect with her on Twitter, Clubhouse (@keerthivedantam) or Signal at 408-470-0776.
Here’s how Jack Rolo describes his childhood: He was good at chess, and bad at spelling. He was good at math, and bad at reading. Rolo went on to study physics at Durham University in his native England—and despite often struggling in his courses, it wasn’t until after he graduated that he was diagnosed with dyslexia, a common language processing disorder that affects reading.
Rolo’s experiences informed his founding of Polygon, a Santa Monica-based diagnostics startup that emerged from stealth on Friday with $4.2 million in funding, and the goal of better diagnosing dyslexia, ADHD and other learning-related disabilities. The funding includes a $3.6 million seed round led by Spark Capital, as well as $600,000 in pre-seed funding led by Pear VC.
“It really is a product I wish I'd had access to at an earlier age myself,” Rolo told dot.LA.
After moving to California to earn his MBA degree at UC Berkeley, Rolo met his co-founder Meryll Dindin, who now serves as Polygon’s chief technology officer. Together, they’ve built a platform that aims to partner with schools to test children for a myriad of disabilities that may affect academic performance. (The startup claims it’s already teamed with schools in California, but did not disclose which.) Rolo says he envisions that these assessments become as ubiquitous as vision and hearing exams: that every student, regardless of age, background or academic performance, will be tested.
As is, testing for disorders like ADHD and dyslexia often depends on parents, teachers or pediatricians observing a child, detecting something amiss and intervening. There are problems with this method; for instance, girls are chronically underdiagnosed with ADHD because it presents itself differently than it does for boys. Teachers juggling crowded classrooms may not be able to perceive why a specific child is falling behind. And Black and Latino children are often overlooked when it comes to diagnosing disabilities.
“Common roots of referral are teachers, and typically that's flagged because they'll see the student failing,” Rolo said. “That's part of the problem—that this then becomes almost a wait-to-fail approach, when ideally you want to pick these things up proactively.”
Polygon employs full-time psychologists who evaluate students through a telehealth platform. After undergoing a range of standardized assessments and interviewing their parents and teachers, a student who is diagnosed will receive an "Individualized Education Program," a schooling curriculum tailored toward their disabilities.
Assessments start at $995, which Polygon says is up to five times cheaper than traditional disability testing alternatives. The company plans on driving that cost down further by collecting a large data sample of assessments and building machine learning technology to “pre-screen” students; those who are flagged would then undergo more extensive testing.
“Ultimately, what we're trying to move toward is a model quite similar to the optician, where everyone gets the evaluation,” Rolo said. “Yes, assessments are still not accessible for all families just yet—but this is the beginning, and we hope to drive this cost down way further over time.”
Polygon said the new funding will go toward expanding beyond California and growing its network nationally.
- Kernel Raises $53M in Quest for Brain-Reading Machines - dot.LA ›
- Found CEO Sarah Jones Simmer on How Her Cancer Diagnosis ... ›
- HYCOR Biomedical Raises $20M to Expand Allergy Testing - dot.LA ›
Keerthi Vedantam is a bioscience reporter at dot.LA. She cut her teeth covering everything from cloud computing to 5G in San Francisco and Seattle. Before she covered tech, Keerthi reported on tribal lands and congressional policy in Washington, D.C. Connect with her on Twitter, Clubhouse (@keerthivedantam) or Signal at 408-470-0776.
ZipRecruiter CEO Ian Siegel on How the Job Market Has Shifted
Spencer Rascoff serves as executive chairman of dot.LA. He is an entrepreneur and company leader who co-founded Zillow, Hotwire, dot.LA, Pacaso and Supernova, and who served as Zillow's CEO for a decade. During Spencer's time as CEO, Zillow won dozens of "best places to work" awards as it grew to over 4,500 employees, $3 billion in revenue, and $10 billion in market capitalization. Prior to Zillow, Spencer co-founded and was VP Corporate Development of Hotwire, which was sold to Expedia for $685 million in 2003. Through his startup studio and venture capital firm, 75 & Sunny, Spencer is an active angel investor in over 100 companies and is incubating several more.
On this episode of Office Hours, host Spencer Rascoff talked with ZipRecruiter CEO and founder Ian Siegel about how he built his company, the lessons he's learned along the way and how he's seen the pandemic drastically reshape the job market—probably for good.
Siegel moved to L.A. to be a writer in Hollywood. But he quickly realized he hated it. Instead, he moved into the fledgling online division at Warner Bros., From there, he found himself working at a series of VC-backed startups that became successful. As a result, he became known in the industry as an expert in taking online businesses that had plateaued and figuring out a way to help them grow. He said he hated every minute of it.
“What you are in that situation is you're an agent of change. And what I learned is you can be good at that, but no one likes you because everybody fears change.”
Instead, Siegel worked up the courage to start his own business.
“Why do I let people pay me such a small amount of money to turn around these businesses?,” he asked himself. “If I'm so good at this, why don't I just start my own and build it right from the very beginning. And that's what ultimately gave me the conviction to go launch ZipRecruiter.”
His time working at young startups too small to have their own HR departments gave Siegel the idea. After posting the same job position across multiple websites and printing out every single resume submitted, he realized he was facing a problem technology is built to solve.
“I just wanted a magic button that I could push. And it would send a job to all job boards at once, and then all the candidates from all those different sites would go into one easy to review list. That's exactly what we built with the first version of ZipRecruiter,” said Siegel.
Over time, ZipRecruiter’s mission has changed, he said, from a company aimed at solving a single pain point to a company trying to reinvent how the labor market functions. That, he added, is orders of magnitude more difficult, because “you are retraining America or potentially the world on a new way to do something.”
“And now you are knife fighting in the jungle, you are trailblazing,” he added. “I don't worry about how anybody in the current ecosystem operates. I'm truly fundamentally trying to change the labor market in the United States right now.”
Siegel said he’s seen the job market drastically change over the past couple years, as the pandemic accelerated the move to remote work and hybrid and remote positions surged. Fewer than 2% of jobs on ZipRecruiter had the words “remote” in them before COVID-19 stuck. Now, 60% of applicants say they’re seeking remote or hybrid work, and 12% of the jobs listed on the site offer a remote option—and that number is growing.
That reality has changed how he runs his own business.
“What I've done at ZipRecruiter is accept change,” Siegel said. “We are fully embracing remote. I believe remote is not only here to stay, it's a huge benefit.”
That, he says, is because employees and employers both save time on driving and grooming. They save money on gas and parking. The office, he added, will still have a purpose, but it will probably be more for building culture, and less for work.
"It'll be a much smaller space entirely designed around fun," he said. "No one will ever go in there every day purely for the purpose of doing their job, probably ever again."
One of the lessons Siegel said he’s learned as a serial entrepreneur is to make sure the work you pick is meaningful to you.
“It turns out every business takes the same amount of time, which is all your time,” he said. “So be thoughtful about how you spend it. Pick work that's meaningful for you. Pick work that has scale opportunity to it and that you're going to be excited to go into every day,”
- What ZipRecruiter Sees for the Economy's Eventual Rebound - dot.LA ›
- ZipRecruiter Lays Off 39% of Staff - dot.LA ›
Spencer Rascoff serves as executive chairman of dot.LA. He is an entrepreneur and company leader who co-founded Zillow, Hotwire, dot.LA, Pacaso and Supernova, and who served as Zillow's CEO for a decade. During Spencer's time as CEO, Zillow won dozens of "best places to work" awards as it grew to over 4,500 employees, $3 billion in revenue, and $10 billion in market capitalization. Prior to Zillow, Spencer co-founded and was VP Corporate Development of Hotwire, which was sold to Expedia for $685 million in 2003. Through his startup studio and venture capital firm, 75 & Sunny, Spencer is an active angel investor in over 100 companies and is incubating several more.