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June 27, 2007 9:26 AM PDT

Apple's iPhone audio gaffes

by David Carnoy

Belkin's flexible iPhone headphone adapter

(Credit: iLounge)

A couple of small--but I think somewhat serious--issues regarding the audio output of the iPhone have been percolating on the Web for the last week or so. The issues involve the iPhone's headphone/headset jack and the phone's ability to output stereo sound via Bluetooth.

Let's start with the headphone jack. In Walt Mossberg and Katherine Boehret's iPhone review for the Wall Street Journal, they state, "The headphone jack, which supports both stereo music and phone calls, is deeply recessed, so you may need an adapter for existing headphones." Why the port would be so deeply recessed is a mystery, but in case you missed it, the folks over at iLounge had a blurb on a $11 Belkin iPhone adapter the other week to deal with the issue. Who wants an adapter protruding from the side of your cell phone just so you can use that pair of good earbuds you already own?

On the Bluetooth front, rumors that the phone would not support stereo Bluetooth streaming popped up around the Web as soon as it was revealed that there was no A2DP support, but it's now been confirmed that the iPhone only offers mono Bluetooth audio output (essentially for headset use). This means you won't be able to wirelessly stream tunes from the iPhone to one of the many new and improving Bluetooth stereo headphones or Bluetooth speakers. Fans of the cordless headphone concept (I am one) should be a little upset over this because most so-called multimedia phones offer stereo Bluetooth audio output.

At this point, it's unclear whether Apple will be able to add stereo Bluetooth output to this generation of iPhone, but I certainly hope it does soon, especially as many folks are speculating that next-generation iPods will have some sort of wireless streaming feature built into it.

Hunkered down in New York City, Executive Editor David Carnoy covers the gamut of gadgets and writes his Fully Equipped column, which carries the tag line "The electronics you lust for." He's also the author of "Knife Music," a novel. E-mail David. Follow David on Twitter.
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Add a Comment (Log in or register) Showing 1 of 2 pages (28 Comments)
iPod speaker docks are screwed too
by audiodonald June 27, 2007 10:11 AM PDT
Mossberg also mentioned that "while the iPhone uses the standard iPod port on the bottom edge, it doesn't recognize all car adapters for playing music, only for charging". People might get upset if they just sunk $300 into a Bose SoundDock thinking it would work with the iPhone. Especially considering that there's no logical reason why it shouldn't work. Bummer.
Reply to this comment
iPod speaker docks are screwed too
by audiodonald June 27, 2007 10:11 AM PDT
Mossberg also mentioned that "while the iPhone uses the standard iPod port on the bottom edge, it doesn't recognize all car adapters for playing music, only for charging". People might get upset if they just sunk $300 into a Bose SoundDock thinking it would work with the iPhone. Especially considering that there's no logical reason why it shouldn't work. Bummer.
Reply to this comment
Car jack not home speakers
by fotoram June 27, 2007 10:36 AM PDT
Mossberg mentioned "Car Adapter" not home speakers. Since the iPhone is also
an iPod, it will work with a sound dock. The problem with car adapters are their
ability to send a wireless signal to your car stereo, while the Sound Dock
connection is a straightforward connection.
Reply to this comment
Car jack not home speakers
by fotoram June 27, 2007 10:36 AM PDT
Mossberg mentioned "Car Adapter" not home speakers. Since the iPhone is also
an iPod, it will work with a sound dock. The problem with car adapters are their
ability to send a wireless signal to your car stereo, while the Sound Dock
connection is a straightforward connection.
Reply to this comment
Stereo Bluetooth is not good enough, even for iPod
by phlubbub June 27, 2007 10:58 AM PDT
Sure, David, you might like the "concept" of wireless headphones, but have you
actually tried them? I just spent quality time with a set of Motorola S9s, arguably
a better pair of Bluetooth headphones, paired with an LG Muziq, one of the
newest music phones around. It was a horrible, frustrating experience. Audio
quality, at best, was good, but reception issues interrupted songs every few
seconds. Simply unacceptable. Apple is right to avoid A2DP, the technology isn't
fully formed.
Reply to this comment
by alfiskewl July 12, 2008 2:15 PM PDT
I'm a super-loyal BlackBerry nut, but decided I was going to get the new iPhone as a second phone, and was literally 15 minutes away from walking out the door to pick up a new iPhone when I found out the iPhone wouldn't work with my Rokr headset, so... negative on that purchase, Ghostwriter.

Definitely a deal-breaker. The S9 does have intermittent audio until you get the best positioning for it figured out; I have the armband (works great in that), and also have found that if I put my BlackBerry Curve upside down in my pocket (front) that I get no skips. I love it... until Apple makes it work, it's just not "cool" enough to spend my money on.
Stereo Bluetooth is not good enough, even for iPod
by phlubbub June 27, 2007 10:58 AM PDT
Sure, David, you might like the "concept" of wireless headphones, but have you
actually tried them? I just spent quality time with a set of Motorola S9s, arguably
a better pair of Bluetooth headphones, paired with an LG Muziq, one of the
newest music phones around. It was a horrible, frustrating experience. Audio
quality, at best, was good, but reception issues interrupted songs every few
seconds. Simply unacceptable. Apple is right to avoid A2DP, the technology isn't
fully formed.
Reply to this comment
Like it or not, A2DP is here to stay!
by minimach June 27, 2007 7:13 PM PDT
On reading of the 'cool' iPhone not supporting A2DP is the last straw for me to decide not to get it. Frankly i think Apple is misrepresenting it by touting that its iPhone is a wireless marvel. In fact, its such a backdated phone without the 3.5G support and now Bluetooth A2DP. Bluetooth A2DP is such a standard nowadays on all new released phones! Come on Apple! And for the writer that says A2DP is not a stable technology, i beg to differ. I own two devices to uses it, one's a Dopod C720W phone and other's a ipod dongle. They work perfectly fine with my Stereo Bluetooth headset!
Reply to this comment
Like it or not, A2DP is here to stay!
by minimach June 27, 2007 7:13 PM PDT
On reading of the 'cool' iPhone not supporting A2DP is the last straw for me to decide not to get it. Frankly i think Apple is misrepresenting it by touting that its iPhone is a wireless marvel. In fact, its such a backdated phone without the 3.5G support and now Bluetooth A2DP. Bluetooth A2DP is such a standard nowadays on all new released phones! Come on Apple! And for the writer that says A2DP is not a stable technology, i beg to differ. I own two devices to uses it, one's a Dopod C720W phone and other's a ipod dongle. They work perfectly fine with my Stereo Bluetooth headset!
Reply to this comment
question about iphone and a2dp / stereo bluetooth
by glen engelmann June 27, 2007 8:29 PM PDT
who is it that confirmed that the iphone does not have a2dp support or stereo
bluetooth? i think i remember that steve jobs said that the iphone would have
stereo bluetooth when he introduced the iphone at macworld. any info ont this
would be appreciated. thanks.
Reply to this comment
question about iphone and a2dp / stereo bluetooth
by glen engelmann June 27, 2007 8:29 PM PDT
who is it that confirmed that the iphone does not have a2dp support or stereo
bluetooth? i think i remember that steve jobs said that the iphone would have
stereo bluetooth when he introduced the iphone at macworld. any info ont this
would be appreciated. thanks.
Reply to this comment
A2DP is a perfected technology already
by sbee June 27, 2007 9:56 PM PDT
@ the person who discounts A2DP tech since it doesn't work for him- I own a Motorola S9 and it gives me amazing uninterrupted audio from my Window Mobile 6 device. A lot of Windows Mobile devices (for some reason) force joint stereo in bluetooth mode. A simple registry change makes it stream full stereo in a flawless way. Don't knock the tech because you can't use it.
Lack of A2DP is yet another glaring example of features left out in the iPhone. It will definitely be acceptable to those enticed by shiny, thin, metallic things but not to anyone who knows their gadgets.
Reply to this comment
A2DP is a perfected technology already
by sbee June 27, 2007 9:56 PM PDT
@ the person who discounts A2DP tech since it doesn't work for him- I own a Motorola S9 and it gives me amazing uninterrupted audio from my Window Mobile 6 device. A lot of Windows Mobile devices (for some reason) force joint stereo in bluetooth mode. A simple registry change makes it stream full stereo in a flawless way. Don't knock the tech because you can't use it.
Lack of A2DP is yet another glaring example of features left out in the iPhone. It will definitely be acceptable to those enticed by shiny, thin, metallic things but not to anyone who knows their gadgets.
Reply to this comment
A2DP Missing in iPhone - Confirmed by Apple Suppor
by ITgeek June 30, 2007 3:10 PM PDT
I just got off the phone with Apple Support and they confirmed that I could
not use my Motorola HT820 Bluetooth headset with the iTunes portion of the
iPhone, because the iPhone does not support A2DP. They told me that the
iPhone Bluetooth will work with a stereo Bluetooth headset in phone mode
only.

A2DP is a well established and proven technology. I have used my HT820
headset with my iPod, with an attached iMuffs Bluetooth Transceiver and my
Motorola phone for more than a year and the sound is crystal clear. There is
no static or other unexpected characteristics, since the Bluetooth adaptor
attaches to the digital dock connector. The only glitch is that after a phone
call ends, I have to press the Play button twice, to start up the iPod where it
paused, when the phone rang. I can live with that. But, not having something
as basic and proven as A2DP on something that is supposed to be the most
advanced phone/mp player ever built, is a serious flaw. I am seriously
considering returning my iPhone, for this reason alone.

Also, the plug for my noise canceling headphones does not fit into the
recessed jack on the iPhone. However, with a fine file, I was able to reduce the
diameter of the headphone plug, ever so slightly, so that it will now fit into
the recessed jack on the iPhone. At least, if I should decide to keep the
iPhone, I will be able to use my noise canceling headphones when I fly, which
is the only time I use them, anyway.

I just have to decide if I am going to keep my iPhone for more than a day.
Reply to this comment
A2DP Missing in iPhone - Confirmed by Apple Suppor
by ITgeek June 30, 2007 3:10 PM PDT
I just got off the phone with Apple Support and they confirmed that I could
not use my Motorola HT820 Bluetooth headset with the iTunes portion of the
iPhone, because the iPhone does not support A2DP. They told me that the
iPhone Bluetooth will work with a stereo Bluetooth headset in phone mode
only.

A2DP is a well established and proven technology. I have used my HT820
headset with my iPod, with an attached iMuffs Bluetooth Transceiver and my
Motorola phone for more than a year and the sound is crystal clear. There is
no static or other unexpected characteristics, since the Bluetooth adaptor
attaches to the digital dock connector. The only glitch is that after a phone
call ends, I have to press the Play button twice, to start up the iPod where it
paused, when the phone rang. I can live with that. But, not having something
as basic and proven as A2DP on something that is supposed to be the most
advanced phone/mp player ever built, is a serious flaw. I am seriously
considering returning my iPhone, for this reason alone.

Also, the plug for my noise canceling headphones does not fit into the
recessed jack on the iPhone. However, with a fine file, I was able to reduce the
diameter of the headphone plug, ever so slightly, so that it will now fit into
the recessed jack on the iPhone. At least, if I should decide to keep the
iPhone, I will be able to use my noise canceling headphones when I fly, which
is the only time I use them, anyway.

I just have to decide if I am going to keep my iPhone for more than a day.
Reply to this comment
Stereo Bluetooth iPhone Work Around CONFIRMED !!!
by ITgeek June 30, 2007 4:58 PM PDT
IT WORKS ! ! !

After almost 24 hours, it only moments ago occurred to me that the iMuffs
(MA110) Bluetooth transceiver that I have been using on my old iPod might
work on my iPhone, so... I tried it.

Voilla!

When I plugged it in, the iPhone asked if I wanted go into airplane safe mode
and I touched "No". About 14 seconds later (that's normal), I heard the
connection tone in my HT820. I am now listening to the Beach Boys over my
HT820 Bluetooth headset and I just got off of a phone call, using the same
headset. I can use the controls on the HT820, to Play, Pause, Skip, Back, FF
and REW. In other words, I have stereo Bluetooth sound and remote Bluetooth
control over iTunes.

It's a shame that Apple can't figure out a way to do the same thing, internally.
At least the iMuffs dongle is very small. I have used it for this long. I guess
that I can keep using it until Apple gets their Bluetooth act together. I just
have to get a different case, that will fit the iMuffs adaptor better.

I'm sorry that it took me so long to think of this and get it posted. But then,
when you're as smart as I am, it's hard to remember everything you know. ;-)
Reply to this comment
Motorola Bluetooth® Stereo Headphones HT820
by danielstillson July 8, 2007 2:36 PM PDT
SO THE Motorola Bluetooth® Stereo Headphones HT820 works for the iphone right?
Stereo Bluetooth iPhone Work Around CONFIRMED !!!
by ITgeek June 30, 2007 4:58 PM PDT
IT WORKS ! ! !

After almost 24 hours, it only moments ago occurred to me that the iMuffs
(MA110) Bluetooth transceiver that I have been using on my old iPod might
work on my iPhone, so... I tried it.

Voilla!

When I plugged it in, the iPhone asked if I wanted go into airplane safe mode
and I touched "No". About 14 seconds later (that's normal), I heard the
connection tone in my HT820. I am now listening to the Beach Boys over my
HT820 Bluetooth headset and I just got off of a phone call, using the same
headset. I can use the controls on the HT820, to Play, Pause, Skip, Back, FF
and REW. In other words, I have stereo Bluetooth sound and remote Bluetooth
control over iTunes.

It's a shame that Apple can't figure out a way to do the same thing, internally.
At least the iMuffs dongle is very small. I have used it for this long. I guess
that I can keep using it until Apple gets their Bluetooth act together. I just
have to get a different case, that will fit the iMuffs adaptor better.

I'm sorry that it took me so long to think of this and get it posted. But then,
when you're as smart as I am, it's hard to remember everything you know. ;-)
Reply to this comment
Motorola Bluetooth® Stereo Headphones HT820
by danielstillson July 8, 2007 2:36 PM PDT
SO THE Motorola Bluetooth® Stereo Headphones HT820 works for the iphone right?
But just how lame to not support Bluetooth stereo?
by JetCityJoe July 3, 2007 10:51 PM PDT
I guess it's good to know there's a workaround for the lack of stereo Bluetooth headphones - but really, what's the excuse???

After all, I could only justify the outrageous cost of my iPhone by telling myself "Hey, it's a smartphone and next-gen iPod, all in one!!" But come to find out that unlike other up-to-date phones (Samsung's Blackjack comes to mind), the iPhone's lack of A2DP support means I'm still stuck with clunky wired headphones for my music.

What's really hard to understand about this is that it seems the software on the iPhone *already* supports stereo Bluetooth. If you go to Settings > General > About > Legal (okay, I was enthralled with my new toy...), there's legalese about the Bluemagic software by Open Interface. And, if you go to that company's website (http://www.oi-us.com/), they trumpet their support for stereo Bluetooth. So it seems the capability should be on the iPhone, but for some reason Apple doesn't enable it.

A real bummer - as much as I love the iPhone's UI, the music side is really important to me. I'm reconsidering my decision to not buy the Samsung Blackjack (which is also feature-rich, and support A2DP...)
Reply to this comment
But just how lame to not support Bluetooth stereo?
by JetCityJoe July 3, 2007 10:51 PM PDT
I guess it's good to know there's a workaround for the lack of stereo Bluetooth headphones - but really, what's the excuse???

After all, I could only justify the outrageous cost of my iPhone by telling myself "Hey, it's a smartphone and next-gen iPod, all in one!!" But come to find out that unlike other up-to-date phones (Samsung's Blackjack comes to mind), the iPhone's lack of A2DP support means I'm still stuck with clunky wired headphones for my music.

What's really hard to understand about this is that it seems the software on the iPhone *already* supports stereo Bluetooth. If you go to Settings > General > About > Legal (okay, I was enthralled with my new toy...), there's legalese about the Bluemagic software by Open Interface. And, if you go to that company's website (http://www.oi-us.com/), they trumpet their support for stereo Bluetooth. So it seems the capability should be on the iPhone, but for some reason Apple doesn't enable it.

A real bummer - as much as I love the iPhone's UI, the music side is really important to me. I'm reconsidering my decision to not buy the Samsung Blackjack (which is also feature-rich, and support A2DP...)
Reply to this comment
CNET editors' review
by danielstillson July 8, 2007 3:23 PM PDT
CNET editors' review
Excellent
8.0
out of 10

The good: The Apple iPhone has a stunning display, a sleek design, and an innovative multitouch user interface. Its Safari browser makes for a superb Web surfing experience, and it offers easy-to-use apps. As an iPod, it shines.

The bad: The Apple iPhone has variable call quality and lacks some basic features found in many cell phones, including stereo Bluetooth support and 3G compatibility. Integrated memory is stingy for an iPod, and you have to sync the iPhone to manage music content.

The bottom line: Despite some important missing features, a slow data network, and call quality that doesn't always deliver, the Apple iPhone sets a new benchmark for an integrated cell phone and MP3 player.
Reply to this comment
CNET editors' review
by danielstillson July 8, 2007 3:23 PM PDT
CNET editors' review
Excellent
8.0
out of 10

The good: The Apple iPhone has a stunning display, a sleek design, and an innovative multitouch user interface. Its Safari browser makes for a superb Web surfing experience, and it offers easy-to-use apps. As an iPod, it shines.

The bad: The Apple iPhone has variable call quality and lacks some basic features found in many cell phones, including stereo Bluetooth support and 3G compatibility. Integrated memory is stingy for an iPod, and you have to sync the iPhone to manage music content.

The bottom line: Despite some important missing features, a slow data network, and call quality that doesn't always deliver, the Apple iPhone sets a new benchmark for an integrated cell phone and MP3 player.
Reply to this comment
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