| <!doctype html> |
| <html> |
| <head> |
| <title>Test Oscillator Node: sawtooth</title> |
| <script src="../resources/js-test.js"></script> |
| <script src="resources/compatibility.js"></script> |
| <script src="resources/buffer-loader.js"></script> |
| <script src="resources/oscillator-testing.js"></script> |
| </head> |
| |
| <body> |
| <script> |
| description("Test Builtin Oscillator PeriodicWave Tables"); |
| |
| // Create an offline context with a sample rate that is very different from the sample rate |
| // used in the OscillatorTestingUtils. This will create a internal PeriodicWave objects for |
| // the Oscillator. This should not interfere with the oscillator test using a different |
| // context with a different sample rate. |
| |
| var context = new OfflineAudioContext(1, 1, 3000); |
| var osc = context.createOscillator(); |
| osc.type = "sawtooth"; |
| osc = null; |
| |
| // This test is identical to the test in osc-sawtooth-sweep-snr.html. |
| var tester = OscillatorTestingUtils; |
| |
| // The thresholds are experimentally determined. |
| tester.setThresholds({snr: 80.00, maxDiff: 4.06, diffCount: 15827}); |
| tester.runTest("sawtooth"); |
| successfullyParsed = true; |
| </script> |
| </body> |
| </html> |
