Bug 7738 - Scan and auto-preset feature
: Scan and auto-preset feature
Status: NEW
Product: FM Radio
: unspecified
: All Maemo
: Medium enhancement with 19 votes (vote)
: ---
Assigned To: Martin Grimme
: general
  Show dependency tree
Reported: 2010-01-07 11:51 UTC by Brad Grigor
Modified: 2014-03-08 10:28 UTC (History)
3 users (show)

See Also:



You need to log in before you can comment on or make changes to this bug.

Description Brad Grigor (reporter) 2010-01-07 11:51:02 UTC
(Settings > General > About product)
FM Radio 2009.12.19

(Explain in detail what you do (e.g. tap on OK) and what you see (e.g. message
Connection Failed appears))
1. Launch FM Rdaio application.
2. Try to find a station. It requires tedious and often finicky scrolling.

Would it be possible to provide the following automation features?

(a) Search left or right for next receivable signal by touching a "<<" or ">>"
button. The program should then scan frequencies in the selected direction
until it finds a signal of a configurable strength, stop and play that
frequency. If it reaches the highest (or lowest) frequency, it should wrap to
the other end and continue searching. If it comes back to the starting
frequency, it stops.

(b) Auto-populate the preset memory with all receivable signals of at least a
given strength, by touching a button. The program should then scan all
frequencies (in either direction, it doesn't matter, but low-to-high makes
sense) and when it finds a receivable signal of the required strength, it adds
that frequency to the preset station list. If the station is providing RDS,
then the RDS is used to name the preset. Otherwise, the frequency is used to
name the preset. Scanning continues until it comes back to the starting

The signal strength should be set as a configuration option, e.g. as a number 1
to 5, where 5 means only very strong signals are selected and 1 means all
signals (above the noise) will be selected. Very strong signals might appear on
several adjacent frequencies ("splatter") and the program needs to find the
strongest ("centre" ) frequency and use only that one for that station.

No means to scan and auto-set the presets. It must be done manually.

(always, less than 1/10, 5/10, 9/10)


This is a very common feature found on FM radios in cars, cell phones and MP3

User-Agent:       Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1;
Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729;
Media Center PC 6.0; OfficeLiveConnector.1.4; OfficeLivePatch.1.3; Tablet PC
Comment 1 Brad Grigor (reporter) 2010-01-07 12:30:47 UTC
Folks, I have just read Bug 6202 that seems to suggest that the FM Radio app
already has a scan / auto-preset feature. If this is true, then (a) I apologize
for the redudant feature request, (b) can you tell me how to use the feature,
because I can't seem to activate it.


Comment 2 EC 2010-01-16 16:50:55 UTC
Hi Brad, I've read bug 6202, but FM Radio actually doesn't have a scanning
feature as far as I know. They use scan word for "manually scan".
This feature request should be valid, I'll vote for it, please do the same.
Comment 3 Mladen Milankovic 2010-01-16 17:11:21 UTC
*** This bug has been confirmed by popular vote. ***
Comment 4 Martin Grimme 2010-01-20 21:09:12 UTC
Scanning is now implemented in 2010.01.15.
Comment 5 Brad Grigor (reporter) 2010-01-20 21:19:57 UTC
Hi there. I have installed 2010.01.15 and confirmed that the scanning works
when the left/right arrows are pressed and held. I think that's an excellent
solution, thank you.

The scanning itself functions quite well and is only confused by strong local
signals, so that the scan sometimes stops before it hits the correct centre
frequency. It's a minor issue and perhaps can be tweaked in a later release.

The second part of the request was to extent the scanning feature to
auto-populate the presets by automatically scanning the whole dial. This is
very useful for travellers who just want to quickly add all the local presets
for a new place. Should I create a separate enhancement request for that, or
leave this one open?
Comment 6 Martin Grimme 2010-01-20 22:57:58 UTC
Scanning is looking for peaks in signal strength already. In your case you
might have two distinct peaks very close to each other.

You may leave this bug open for the remaining issues. That's why I didn't
resolve it as FIXED yet.
Comment 7 ugo 2010-02-19 15:07:07 UTC
An idea for further improvement: would it be possible to disable the output
sound when performing scan, or (perhaps better) to reduce the volume