search for: librevox

...machine using the current repo version of gcc 4.6.3 and with these optimisation flags: -O2 -pipe -march=armv6j -mtune=arm1176jzf-s -mfpu=vfp -mfloat-abi=hard These were compiled with floating point enabled. I will look at the fixed point version separately later. I used a clip of speech from a librevox recording which was resampled from 44.1khz to 48khz within audacity. The clip is 2 minutes long. I wrote a simple bash script that ran the encode at each complexity level and repeated 10 times to try and get a good average. The results can be seen in this graph http://ubuntuone.com/2gOdUG3h3MyjLY7...

I have just started trying Opus with a view to using it in a project. I am interested in embedded hardware and tried it on the Raspberry Pi using the raspbian distro. The version of libopus in the repos is 0.9.14. I installed this and tried encoding 2 minutes of speech from a librevox recording. It managed this at a respectable pace for complexity 10: Skipping chunk of type "LIST", length 76 Encoding using libopus 0.9.14 (audio) ----------------------------------------------------- Input: 44.1kHz 1 channel Output: 1 channel (1 uncoupled) 20ms packets, 6...

...machine using the current repo version of gcc 4.6.3 and with these optimisation flags: -O2 -pipe -march=armv6j -mtune=arm1176jzf-s -mfpu=vfp -mfloat-abi=hard These were compiled with floating point enabled. I will look at the fixed point version separately later. I used a clip of speech from a librevox recording which was resampled from 44.1khz to 48khz within audacity. The clip is 2 minutes long. I wrote a simple bash script that ran the encode at each complexity level and repeated 10 times to try and get a good average. The results can be seen in this graph http://ubuntuone.com/2gOdUG3h3MyjLY7...

...optimisation flags: >> >> -O2 -pipe -march=armv6j -mtune=arm1176jzf-s -mfpu=vfp -mfloat-abi=hard >> >> >> These were compiled with floating point enabled. I will look at the fixed >> point version separately later. >> >> I used a clip of speech from a librevox recording which was resampled from >> 44.1khz to 48khz within audacity. The clip is 2 minutes long. I wrote a >> simple bash script that ran the encode at each complexity level and >> repeated 10 times to try and get a good average. >> >> The results can be seen in thi...

...f gcc 4.6.3 and with these > optimisation flags: > > -O2 -pipe -march=armv6j -mtune=arm1176jzf-s -mfpu=vfp -mfloat-abi=hard > > > These were compiled with floating point enabled. I will look at the fixed > point version separately later. > > I used a clip of speech from a librevox recording which was resampled from > 44.1khz to 48khz within audacity. The clip is 2 minutes long. I wrote a > simple bash script that ran the encode at each complexity level and > repeated 10 times to try and get a good average. > > The results can be seen in this graph > http://...

...c 4.6.3 and with these > optimisation flags: > > -O2 -pipe -march=armv6j -mtune=arm1176jzf-s -mfpu=vfp -mfloat-abi=hard > > > These were compiled with floating point enabled. I will look at the fixed > point version separately later. > > I used a clip of speech from a librevox recording which was resampled from > 44.1khz to 48khz within audacity. The clip is 2 minutes long. I wrote a > simple bash script that ran the encode at each complexity level and > repeated 10 times to try and get a good average. > > The results can be seen in this graph > http:/...

...have just started trying Opus with a view to using it in a project. I am > interested in embedded hardware and tried it on the Raspberry Pi using the > raspbian distro. > > The version of libopus in the repos is 0.9.14. I installed this and tried > encoding 2 minutes of speech from a librevox recording. It managed this at a > respectable pace for complexity 10: Complexity 10 is new analysis code that didn't exist in prior versions, setting complexity 5 gets you basically the same analysis that the 1.0 version had. On x86 and modern arm cores with fast FPUs the other speedups ar...

...-O2 -pipe -march=armv6j -mtune=arm1176jzf-s -mfpu=vfp > -mfloat-abi=hard > > > These were compiled with floating point enabled. I will look at > the fixed > point version separately later. > > I used a clip of speech from a librevox recording which was > resampled from > 44.1khz to 48khz within audacity. The clip is 2 minutes long. I > wrote a > simple bash script that ran the encode at each complexity level and > repeated 10 times to try and get a good average. > >...

...started trying Opus with a view to using it in a project. I am > interested in embedded hardware and tried it on the Raspberry Pi using the > raspbian distro. > > > > The version of libopus in the repos is 0.9.14. I installed this and tried > encoding 2 minutes of speech from a librevox recording. It managed this at > a respectable pace for complexity 10: > > > > Skipping chunk of type "LIST", length 76 > > Encoding using libopus 0.9.14 (audio) > > ----------------------------------------------------- > > Input: 44.1kHz 1 channel >...

...n Raspberry Pi I have just started trying Opus with a view to using it in a project. I am interested in embedded hardware and tried it on the Raspberry Pi using the raspbian distro. The version of libopus in the repos is 0.9.14. I installed this and tried encoding 2 minutes of speech from a librevox recording. It managed this at a respectable pace for complexity 10: Skipping chunk of type "LIST", length 76 Encoding using libopus 0.9.14 (audio) ----------------------------------------------------- Input: 44.1kHz 1 channel Output: 1 channel (1 uncoupled) 20ms pa...

...iew to using it in a project. I >> am interested in embedded hardware and tried it on the Raspberry Pi using >> the raspbian distro. >> >> >> >> The version of libopus in the repos is 0.9.14. I installed this and tried >> encoding 2 minutes of speech from a librevox recording. It managed this at >> a respectable pace for complexity 10: >> >> >> >> Skipping chunk of type "LIST", length 76 >> >> Encoding using libopus 0.9.14 (audio) >> >> ----------------------------------------------------- >&gt...