Music engineered for the phone call
Every phone system destroys music.
Narrowband composes music born inside codec constraints
so your hold experience finally sounds as good as your brand.
The Problem
Customer service wait times have increased 60% over two decades. Hold music is the first thing your customers hear — and on every phone system, it sounds terrible.
What a phone codec does to music
G.711 µ-law codec — the most common telephony standard
The Physics
Phone codecs crush audio to 300–3,400 Hz. Bass vanishes. Cymbals become static. Rich orchestration turns into warbling distortion.
The Frustration
You've invested in CX. But the first 10 minutes of every support call is garbled Vivaldi that actively raises cortisol.
The Principle
Your customers are captive listeners. They deserve better than acoustic punishment for calling you.
Hear the Difference
Toggle between codec simulations to hear what your customers actually hear.
Full-range arpeggio with bass & shimmer
Composed inside the 400–2,800 Hz range: survives the codec intact
Audio synthesized in-browser via Web Audio API. Production samples use real instruments.
The Narrowband Approach
Other providers compose for high-fidelity playback,
then assume the audio survives the codec.
It never does.
Narrowband designs for the codec from the first note.
Codec Encoding
Bandpass 300–3,400 Hz
Lossy Compression
Speech-optimized vocoder
Noise Cancellation
Music treated as interference
Transcoding
Cumulative loss at each hop
Frequency range
400–3,000 Hz primary content. Nothing outside the band to lose.
Instruments
Sine & triangle waves, midrange piano, warm guitar, vibraphone, soft mallet percussion.
Dynamics
Pre-compressed to prevent codec clipping. Consistent, predictable output.
Stereo field
Mono only. Phone audio is mono — stereo panning is discarded.
Loop design
Seamless 8+ minute loops. No audible repeat point. No listener fatigue.
Tone Profiles
Different hold scenarios demand different emotional responses. Each profile is composed for a specific outcome.
Slow, warm midrange pads with minimal dynamics.
Use Case
Long waits and sensitive customers
Goal
Reduce perceived wait time, lower agitation
Synthesized preview — production audio uses real instruments
How It Works
Pick from our library of codec-native profiles — or commission a custom brand score composed to your identity.
Pre-rendered for G.711, G.729, PCM, and MP3. Drop-in ready for every phone system. No conversion needed.
Lower hang-up rates, reduced perceived wait time, and a brand that sounds intentional on every call.
No licensing headaches. Ever.
Playing music on hold is legally a public performance. Narrowband handles all PRO compliance — ASCAP, BMI, SESAC, and GMR — so you don't have to.
The Transformation
Without Narrowband
With Narrowband
Without
Garbled, distorted audio that raises cortisol
With Narrowband
Clean, intentional music designed for the codec
Without
Customers hang up after 3 minutes
With Narrowband
Lower abandonment rates, longer hold tolerance
Without
Generic default that sounds like every other company
With Narrowband
A brand signature that carries through every touchpoint
Without
PRO licensing risk you don't know about
With Narrowband
Full ASCAP, BMI, SESAC, GMR compliance included
The Cost of Waiting
Bad hold music isn't neutral.
It's a low-grade hostile acoustic environment,
driving away the people you most need to retain.
60%
increase in customer service hold times over 20 years
$165B
annual cost of the annoyance economy to Americans
3–15 min
average hold time — all spent listening to mangled audio
Get Started
Schedule a call. We'll set up a time to demo Narrowband on a real phone line.